ORIGINAL_ARTICLE
Experimental investigation of the strength of glass fiber-reinforced concrete exposed to high temperature
This study investigated the effects of high temperature exposure on the compressive, tensile, and flexural strengths of concrete containing glass fiber. A total of 108 cubic specimens (150 mm × 150 mm × 150 mm), cylindrical specimens (300 mm × 150 mm), and prismatic specimens (500 mm × 150 mm × 150 mm) were prepared for compressive, tensile, and flexural strength testing, respectively. The specimens were incorporated with 1%, 2%, and 3% glass fiber and cured for 28 days to derive the desired strengths. The specimens were then annealed and subjected to experiments in which they were exposed to high temperature (600°C) for 30 minutes, one hour, and two hours. The specimens were cooled via slow cooling (exposure to air) and fast cooling (water spraying immediately after exposure to heat). Results showed that the presence of glass fiber exerted different effects on specimen strength and that heat caused the formation of numerous cracks in the specimens.
https://macs.semnan.ac.ir/article_3282_6b3ccbfc4abf1c2c0d15ec32749d073b.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
103
113
10.22075/macs.2018.1264.1056
High temperature
Glass fiber
Concrete
Experimental investigation
Amir Hamzeh
Keykha
ah.keykha@iauzah.ac.ir
true
1
Department of Civil Engineering, Faculty of Engineering, Zahedan Branch, Islamic Azad University, Zahedan, Iran
Department of Civil Engineering, Faculty of Engineering, Zahedan Branch, Islamic Azad University, Zahedan, Iran
Department of Civil Engineering, Faculty of Engineering, Zahedan Branch, Islamic Azad University, Zahedan, Iran
LEAD_AUTHOR
[1] Keykha AH. Numerical investigation on the behavior of SHS steel frames strengthened using CFRP. Steel and Composite Structures 2017; 24 (5): 561-568.
1
[2] Keykha AH. CFRP strengthening of steel columns subjected to eccentric compression loading. Steel and Composite Structures 2017; 23 (1): 87-94.
2
[3] Keykha AH, Nekooei M, Rahgozar R. Numerical and experimental investigation of hollow steel columns strengthened with carbon fiber reinforced polymer. Journal of Structural and Construction Engineering 2016; 3 (1): 49-58.
3
[4] Keykha AH. Effect of CFRP location on flexural and axial behavior of SHS steel columns strengthened using CFRP. Journal of Structural and Construction Engineering 2017; 4 (2): 33-46.
4
[5] Keykha AH, Nekooei M and Rahgozar R. Experimental and theoretical analysis of hollow steel columns strengthening by CFRP. Civil Engineering Dimension 2015; 17(2): 101-107.
5
[6] Keykha AH, Nekooei M, Rahgozar R. ANALYSIS AND STRENGTHENING OF SHS STEEL COLUMNS USING CFRP COMPOSITE MATERIALS. Composites: Mechanics, Computations, Applications. An International Journal 2016; 7 (4): 275–290.
6
[7] Keykha AH. Structural behaviors of deficient steel members strengthened using CFRP composite subjected to torsional loading. Proceedings of the 3th international conference on mechanics of composites (MECHCOMP3), Bologna, Italy, 2017.
7
[8] Keykha AH. Finite element investigation on the structural behavior of deficient steel beam-columns strengthened using CFRP composite. Proceedings of the 3th international conference on mechanics of composites (MECHCOMP3), Bologna, Italy, 2017.
8
[9] Lenwari A, Rungamornrat J, Woonprasert S. Axial compression behavior of fire-damaged concrete cylinders confined with CFRP sheets. Journal of Composites for Construction 2016; 20(5): p.04016027.
9
[10] Al-Kamaki YS, Al-Mahaidi R, Bennetts I. Experimental and numerical study of the behaviour of heat-damaged RC circular columns confined with CFRP fabric. Composite Structures 2015; 133: 679-690.
10
[11] Trapko T. The effect of high temperature on the performance of CFRP and FRCM confined concrete elements. Composites Part B: Engineering 2013; 54: 138-145.
11
[12] Yaqub M, Bailey CG. Repair of fire damaged circular reinforced concrete columns with FRP composites. Construction and Building Materials 2011; 25(1): 359-370.
12
[13] Roy A, Sharma U, Bhargava P. Strengthening of heat damaged reinforced concrete short columns. Journal of Structural Fire Engineering 2014; 5(4): 381-398.
13
[14] El-Gamal S. Bond strength of glass fiber-reinforced polymer bars in concrete after exposure to elevated temperatures. Journal of Reinforced Plastics and Composites 2014; 33(23): 2151-2163.
14
[15] Seręga S. Effect of transverse reinforcement spacing on fire resistance of high strength concrete columns. Fire Safety Journal 2015; 71: 150-161.
15
[16] Xiao J, Li Z, Xie Q, Shen L. Effect of strain rate on compressive behaviour of high-strength concrete after exposure to elevated temperatures. Fire Safety Journal 2016; 83: 25-37.
16
[17] Raouffard MM, Nishiyama M. Residual Load Bearing Capacity of Reinforced Concrete Frames after Fire. Journal of Advanced Concrete Technology 2016; 14: 625-633.
17
[18] Kang J, Yoon H, Kim W, Kodur V, Shin Y, Kim H. Effect of Wall Thickness on Thermal Behaviors of RC Walls Under Fire Conditions. International Journal of Concrete Structures and Materials; 2016; 10: 19-31.
18
[19] Banerjee DK. An analytical approach for estimating uncertainty in measured temperatures of concrete slab during fire. Fire Safety Journal 2016; 82: 30-36.
19
[20] Jana T, Wang YC, Wald F. An analytical method to calculate temperatures of components of reverse channel connection to concrete filled steel section under fire conditions. Fire Safety Journal 2016; 82: 115-130.
20
[21] Demirel B, Keleştemur O. Effect of elevated temperature on the mechanical properties of concrete produced with finely ground pumice and silica fume. Fire Safety Journal 2010; 45(6): 385-391.
21
[22] Yang H, Lin Y, Hsiao C, Liu JY. Evaluating residual compressive strength of concrete at elevated temperatures using ultrasonic pulse velocity. Fire Safety Journal 2009; 44(1): 121-130
22
[23] Kim GY, Kim YS, Lee TG. Mechanical properties of high-strength concrete subjected to high temperature by stressed test. Transactions of Nonferrous Metals Society of China, 19, s128-s133, 2009.
23
[24] Bastami M, Chaboki-Khiabani A, Baghbadrani M, Kordi M. Performance of high strength concretes at elevated temperatures. Scientia Iranica 2011; 18(5): 1028-1036.
24
[25] Nadeem A, Memon S A, Lo TY. The performance of Fly ash and Met kaolin concrete at elevated temperatures. Construction and Building Materials 2014; 62: 67-76.
25
[26] Behnood A, Ghandehari M. Comparison of compressive and splitting tensile strength of high-strength concrete with and without polypropylene fibers heated to high temperatures. Fire Safety Journal 2009; 44(8): 1015-1022.
26
[27] Dugenci O, Haktanir T, Altun F. Experimental research for the effect of high temperature on the mechanical properties of steel fiber-reinforced concrete. Construction and Building Materials 2015; 75: 82-88.
27
[28] Kamal MM, Safan MA, Etman ZA, Kasem BM. Mechanical properties of self-compacted fiber concrete mixes. HBRC Journal 2014; 10(1): 25-34.
28
[29] Al-Qadi AN, Al-Zaidyeen SM. Effect of fibre content and specimen shape on residual strength of polypropylene fibre self-compacting concrete exposed to elevated temperatures. Journal of King Saud University-Engineering Sciences 2014; 26(1): 33-39.
29
[30] Zhu HB, Yan MZ, Wang PM, Li C, Cheng YJ. Mechanical performance of concrete combined with a novel high strength organic fiber. Construction and Building Materials 2015; 78: 289-294.
30
[31] Tassew ST, Lubell AS. Mechanical properties of glass fiber reinforced ceramic concrete. Construction and Building Materials 2014; 51: 215-224.
31
ORIGINAL_ARTICLE
Optimization of infinite composite plates with quasi-triangular holes under in-plane loading
This study used particle swarm optimization (PSO) to determine the optimal values of effective design variables acting on the stress distribution around a quasi-triangular hole in an infinite orthotropic plate. These parameters were load angle, hole orientation, bluntness, fiber angle, and material properties, which were ascertained on the basis of an analytical method used by Lekhnitskii [3]. The cost function was regarded as the maximum stress created around the hole and was calculated using the aforementioned analytical approach. The finite element method was then employed to verify the results of the analytical calculation. The overlap in the analytical and FEM calculations confirmed the validity of the solution proposed in this research. The findings further indicated that the design variables significantly affect the stress distribution around quasi-triangular holes and structural load-bearing capacity. The performance of the PSO algorithm was also investigated.
https://macs.semnan.ac.ir/article_3283_cdbb99113dda990fa7f50b13633a876c.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
115
130
10.22075/macs.2018.1749.1088
Infinite orthotropic plate
Quasi-triangular hole
Particle swarm optimization
Analytical Solution
Complex variable method
Seyed Ahmad
Mahmodzade Hoseyni
ahmad.mahmodzade7058@gmail.com
true
1
Shahrood university of technology
Shahrood university of technology
Shahrood university of technology
AUTHOR
Mohammad
Jafari
m_jafari821@shahroodut.ac.ir
true
2
Department of Mechanical Engineering, University of shahrood
Department of Mechanical Engineering, University of shahrood
Department of Mechanical Engineering, University of shahrood
LEAD_AUTHOR
[1] Gao CY, Xiao JZ, Ke YL. FE Analysis of Stress Concentrations in Composite Plates with Multiple Holes for Zigzag Multi-Fastened Joints. Mater Sci Forum 2013;770:17–20.
1
[2] Savin G. Stress Distribution Around Holes, New York, Pergamon Press 1961.
2
[3] Lekhnitskii SG. Anisotropic Plates. New York, Gordon and Breach Science Publishers 1968.
3
[4] Theocaris PS, Petrou L. Stress Distributions and Intensities at Corners of Equilateral Triangular Holes. Int J Fract 1986;31:271–289.
4
[5] Daoust J, Hoa SV. An Analytical Solution for Anisotropic Plates Containing Triangular Holes. Compos Struct 1991;19:107–130..
5
[6] Tsutsumi T, Sato K, Hirashima KI, Arai H. Stress Fields on an Isotropic Semi-infinite Plane with a Circular Hole Subjected to Arbitrary Loads Using the Constraint-Release Technique. Steel Compos Struct 2002;2:237–246.
6
[7] Rezaeepazhand J, Jafari M. Stress Analysis of Perforated Composite Plates. Compos Struct 2005;71:463–468.
7
[8] Rezaeepazhand J, Jafari M. Stress Concentration in Metallic Plates with Special Shaped Hole. Int J Mech Sci 2010;52:96–102.
8
[9] Asmar TJ. Stress Analysis of Anisotropic Plates Containing Rectangular Holes. Int J Mech Solids 2007;2:55–84.
9
[10] Nageswara RDK, Ramesh BM, Raja NRK, Sunil D. Stress Around Square and Rectangular Holes in Symmetric Laminates. Compos Struct 2010;92:2845–2859.
10
[11] Yang YB, Kang JH. Exact Deformation of an Infinite Rectangular Plate with an Arbitrarily Located Circular Hole Under In-plane Loadings. Struct Eng Mech 2016;58:783–797.
11
[12] Sivakumar K, Iyengar NGR, Deb K. Optimum Design of Laminated Composite Plates with Holes Using a Genetic Algorithm. Compos Struct 1998;42:265–279.
12
[13] Liu Y, Jin F, Li Q. A Strength-Based Multiple Hole Optimization in Composite Plates Using Fixed Grid Finite Element Method. Compos Struct 2006;73:403–412.
13
[14] Cho HK, Rowlands RE. Reducing Tensile Stress Concentration in Perforated Hybrid Laminate by Genetic Algorithm. Compos Sci Technol 2007;67:2877–2883.
14
[15] Hudson CW, Carruthers JJ, Robinson AM. Multiple Objective Optimisation of Composite Sandwich Structures for Rail Vehicle Floor Panels. Compos Struct 2010;92:2077–2082.
15
[16] Almeida FS, Awruch AM. Design Optimization of Composite Laminated Structures Using Genetic Algorithms and Finite Element Analysis. Compos Struct 2009;88:443–454.
16
[17] Alonso MG, Duysinx P. Particle Swarm Optimization ( PSO ): an Alternative Method for Composite Optimization. 10thWorld Congress on Structural and Multidisciplinary Optimization 2013:1–10.
17
[18] Chen J, Tang Y, Ge R, An Q, Guo X. Reliability Design Optimization of Composite Structures Based on PSO Together with FEA. Chinese J Aeronaut 2013;26:343–349.
18
[19] Sharma DS, Patel NP, Trivedi RR. Optimum Design of Laminates Containing an Elliptical Hole. Int J Mech Sci 2014;85:76–87.
19
[20] Zhu X, He R, Lu X, Ling X, Zhu L, Liu B. A Optimization Technique for the Composite Strut Using Genetic Algorithms. Mater Des 2015;65:482–488.
20
[21] Jafari M, Rohani A. Optimization of Perforated Composite Plates under Tensile Stress Using Genetic Algorithm. J Compos Mater 2016;50:2773-2781.
21
[22] Kennedy J, Eberhart R. Particle Swarm Optimization. Proc. ICNN’95 - Int. Conf. Neural Networks, vol. 4, IEEE 1995 p. 1942–1948.
22
[23] Yang X, Yuan J, Yuan J, Mao H. A Modified Particle Swarm Optimizer with Dynamic Adaptation. Appl Math Comput 2007;189:1205–1213.
23
[24] Talbi EG. Metaheuristics: From Design to Implememntation Hoboken, NJ, USA: John Wiley & Sons, Inc.; 2009.
24
[25] Chan F, Tiwari MK. Swarm Intelligence: Focus on Ant and Particle Swarm Optimization. Vienna, Austria, I-Tech Education and Publishing, 2007.
25
[26] Ratnaweera A, Halgamuge SK, Watson HC. Self-Organizing Hierarchical Particle Swarm Optimizer With Time-Varying Acceleration Coefficients. IEEE Trans Evol Comput 2004;8:240–255.
26
[27] Ukadgaonker VG, Rao DKN. A General Solution for Stresses Around Holes in Symmetric Laminates under In-plane Loading. Compos Struct 2000;49:339–354.
27
ORIGINAL_ARTICLE
Effects of reinforcement distribution on the mechanical properties of Al–Fe3O4 nanocomposites fabricated via accumulative roll bonding
This research developed new nanostructured Al–Fe3O4 composites via accumulative roll bonding (ARB). X-ray diffraction (XRD) analysis and field emission scanning electron microscopy were conducted to examine microstructural characteristics and particle distribution in the nanocomposites. Hardness and tensile strength tests were employed to examine their mechanical properties. After eight cycles of XRD analysis, the size of the Al crystals in the nanocomposites reached 198 nm. After eight cycles of tests on mechanical properties, the Al crystals exhibited a tensile strength and a hardness of 204 MPa and 63 HV, respectively. These values are higher than those achieved by pure Al. The depth of nanocomposite rupture observed in fractographic analysis revealed that a ductile fracture occurred in the materials because of the formation and growth of cavities.
https://macs.semnan.ac.ir/article_3284_c1bc54a32ae0c481e1a63c6a065ee102.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
131
139
10.22075/macs.2018.12290.1121
Metal matrix composite
Fe3O4
Accumulative roll bonding
Microstructure
Mechanical properties
Fractography
Behrooz
Pirouzi
behrooz_pirouzi@yahoo.com
true
1
Dep. of Nanotechnology, Nano materials group, Semnan university
Dep. of Nanotechnology, Nano materials group, Semnan university
Dep. of Nanotechnology, Nano materials group, Semnan university
AUTHOR
Ehsan
Borhani
ehsanborhani@gmail.com
true
2
Semnan University
Semnan University
Semnan University
LEAD_AUTHOR
[1] Zhang Z, Chen DL. Contribution of Orowan strengthening effect in particulate-reinforced metal matrix nanocomposites. Material Science Engineering A 2008; 483–484: 148–152.
1
[2] Baazamat S, Tajally M, Borhani E. Fabrication and characteristic of Al-based hybrid nanocomposite reinforced with WO3 and SiC by accumulative roll bonding process. Journal of Alloys and Compounds 2015; 653: 39-46.
2
[3] Luo P, McDonald DT, Xu W, Palanisamy S, Dargusch MS, Xia K. A modified Hall–Petch relationship in ultrafine-grained titanium recycled from chips by equal channel angular pressing. Scripta Mater 2012; 66: 785–788.
3
[4] Rezaei MR, Toroghinejad MR, and Ashrafizadeh F. Effects of ARB and Ageing Processes on Mechanical Properties and Microstructure of 6061 Aluminum Alloy. Journal of Materials Processing Technology 2011; 211: 1184-1190.
4
[5] Toptan F, kilicarslan A, Karaaslan A, Cigdem M, Kerti I. Process and microstructural characterization of AA 1070 and AA 6063 matrix B4C reinforced composites. Materials and Design 2010; 31: 87-91.
5
[6] Borhani E, Jafarian H, Terada D, Tsuji N. Microstructural Evolution during ARB Process of Al0.2 %mass SC Alloy Containing Al3Sc Precipitates in Starting Structures. Materials Transactions 2012; 53: 72-80.
6
[7] Borhani E, Jafarian H, Shibata A, Tsuji N. Texture Evolution in Al0.2 mass% SC Alloy during ARB Process and Subsequent Annealing. Materials Transactions 2012; 53: 1863-1869.
7
[8] Borhani E, Jafarian H, Adachi H, Terada D, Tsuji N. Annealing Behavior of Solution Treated and Aged Al-0.2 wt% Sc Deformed by ARB. Materials Science Forum 2010; 667: 211-216.
8
[9] Salimi A, Borhani E, Emadoddin E. Evaluation of mechanical properties and structure of 1100-Al reinforced with ZrO2 nano-particle via accumulatively roll-bonded. Procedia Materials Science 2015; 11: 67-73.
9
[10] Jamaati R, Toroghinejad MR, Dutkiewicz J, Szpunar JA. Investigation of nanostructured Al/Al2O3 composite produced by accumulative roll bonding process. Materials and Design 2012; 35: 37-42.
10
[11] Alizadeh M, Paydar MH. Fabrication of Al/SiCp composite strips by repeated roll-bonding (RRB) process. Alloys and Compounds 2009; 477: 811-816.
11
[12] Katundi D, Ayari F, Bayraktar E, Tan MJ, Touson Bayraktan A. Design of aluminum matrix composite reinforced with nano iron oxide (Fe3O4). In: 15th international conference on advance material processing technologies Australia; 2012. p. 1-12.
12
[13] Asif M, Chandra K, Misra PS. Development of aluminum based hybrid metal matrix, composites for heavy duty application. Miner Mater Character Eng. 2011; 10(14): 1337-1344.
13
[14] Katurdi D, Ayari F, Bayraktar E, Tan MJ, Touson Bayraktan A. Manufacturing of aluminum matrix composite reinforced with iron oxide (Fe3O4) nanoparticle, microstructure and mechanical properties. Metallur Mater Trans B 2013; 45(2): 352-362.
14
[15] Bayraktar E, Katundi D. Development of a new aluminum matrix composite reinforced with iron oxide (Fe3O4). AChiev Mater Manuf Eng. 2010; 38(1): 7-14.
15
[16] Clyne TW, Withers PJ. An Introduction to Metal Matrix Composites. Cambridge: Cambridge University Press; 1993.
16
[17] Alizadeh M. Processing of Al/B4C Composites by Cross-Roll Accumulative Roll Bonding. Materials Letters 2010; 64: 2641-2643.
17
[18] Li L, Nagai K, Yin F. Progress in cold roll bonding of metals. Sci. Technol. Adv. Mater 2008; 9: 023001.
18
[19] Bay N. Mechanisms producing metallic bonds in cold welding. Welding J. 1983; 62(5): 137.
19
[20] Jamaati R, Toroghinejad MR. Investigation of the parameters of the cold roll bonding (CRB) process. Materials Science and Engineering A 2010; 527(9): 2320-2326.
20
[21] Lloyd DJ. Aspects of fracture in particulate reinforced metal matrix composite. Acta Metallurgica et Materialia 1991; 42: 59-71.
21
[22] Reihanian M, Bagherpour E, Paydar MH. On the achievement of uniform particle distribution in metal matrix composite fabricated by accumulative roll bonding. Materials letters 2013; 91: 59-62.
22
[23] Sanaty-Zadeh A. Comparison between current models for the strength of particulate-reinforced metal matrix nanocomposites with emphasis on consideration of Hall–Petch effect. Materials Science and Engineering A 2012; 531: 112– 118.
23
[24] Zener C, Smith CS. Grains phased and interface: an interpretation of microstructure. Trans AIME 1948; 175: 15-51.
24
[25] Clyne TW, Hall D. An introduction to composite materials, Part of Cambridge Solid State Science Series. 2nd Edition; 1996.
25
[26] Hanazaki K, Shigeiri N, Tsuji N. Change in Microstructures and Mechanical Properties during Deep Wire Drawing of Copper. Materials Science and Engineering A 2010; 527: 5699-5707.
26
[27] Alizadeh M, Paydar MH, and Sharifian Jazi F. Structural Evaluation and Mechanical Properties of Nanostructured Al/B4C Composite Fabricated by ARB Process. Composites Part B: Engineering 2013; 44: 339-343.
27
[28] Boyer HE, Gall TL. Metals Handbook, Desk Edition, ASM International, Metals Park, Ohio; 1985.
28
[29] Zhang P, Li SX, Zhang ZF. General relationship between strength and hardness. Materials Science and Engineering A 2011; 529: 62-73.
29
[30] Becker W, Lampman S. Fracture appearance and mechanisms of deformation and fracture, Materials Park, OH: ASM International; 2002.
30
[31] Eizadjou M, Kazemi Talachi A, Danesh Manesh H, Shakur Shahabi H, Janghorban K. Investigation of structure and mechanical properties of multi –layers Al/Cu composite produced by accumulative Roll Bonding (ARB) Process. Composite Science and Technology 2008; 68: 2003-2009.
31
ORIGINAL_ARTICLE
Creep Strain and Stress Analysis in Laminated Composite Pres-sure Vessels
This study investigates the time-dependent long-term creep strain in a composite cylinder made of glass/vinylester with a unidirectional ply. The cylinder is subjected to an internal pressure and the boundary condition is free–free and acts as thermal insulation. The classical lamination theory (CLT) is used to derive the governing equations as a second-order equation to determine the radial, circum-ferential, axial, and effective stresses in the cylinder wall. The distribution of the radial and circumferential creep strains is based on the Schapery’s single integral model for nonlinear viscoelastic materials. This study focuses on the effect of the orientation of the fibers on the creep strain distribution in the wall of a cylinder. The results show that the creep strain is lower when than at . As the angle of the fibers increases, the distribution of the creep strain becomes more uniform.
https://macs.semnan.ac.ir/article_3286_ad1f89ee5cc286e9f6617b8fdc236a94.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
141
147
10.22075/macs.2018.12562.1125
Long-term creep strain
Schapery single integral
Nonlinear viscoelastic
Polymer matrix composites
Ahmad Reza
Ghasemi
ghasemi@kashanu.ac.ir
true
1
Faculty of Mechanical Engineering, University of Kashan, Kashan
Faculty of Mechanical Engineering, University of Kashan, Kashan
Faculty of Mechanical Engineering, University of Kashan, Kashan
LEAD_AUTHOR
Komeil
Hosseinpour
komeil61@gmail.com
true
2
Faculty of Mechanical Engineering, University of Kashan, Kashan
Faculty of Mechanical Engineering, University of Kashan, Kashan
Faculty of Mechanical Engineering, University of Kashan, Kashan
AUTHOR
[1] Arefi M. Thermo-elastic analysis of a rotating hollow cylinder made of arbitrary functionally graded materials. J Theorical and Applied Mechanic 2015; 45: 41–60.
1
[2] Loghman A, Nasr M and Arefi M. Nonsymmetric thermomechanical analysis of a functionally graded cylinder subjected to mechanical, thermal, and magnetic loads. J of Thermal Stresses 2017; 40(6): 765-782.
2
[3] Tsukrov I and Drach B. Elastic deformation of composite cylinders with cylindrical orthotropic layers. Int J Solids and Structure 2010; 47: 25-33.
3
[4] Zhang Q, Wang ZW, Tang CY, Hu DP, Liu PQ and Xia LZ. Analytical solution of the thermo-mechanical stresses in a multilayered composite pressure vessel considering the influence of the closed ends. Int J Pressure Vessels and Piping 2012; 98: 102-110.
4
[5] Ghasemi AR, Kazemian A and Moradi M. Analytical and numerical investigation of FGM pressure vessel reinforced by laminated composite materials. J Solid Mechanic 2014; 6(1): 43-53.
5
[6] Arefi M, Koohi Faegh R and Loghman A. The effect of axially variable thermal and mechanical loads on the 2D thermoelastic response of FG cylindrical shell. J Thermal Stresses 2016; 39(12): 1539-1559
6
[7] Arefi M, Abbasi AR and Vaziri Sereshk MR. Two dimensional thermoelastic analysis of FG cylindrical shell resting on the Pasternak foundation subjected to mechanical and thermal loads based on FSDT formulation. J Thermal Stresses 2016; 39: 554-570
7
[8] Violette MG and Schapery RA. Time-dependent compressive strength of unidirectional viscoelastic composite materials. Mechanic Time-Dependent Material 2002; 6: 133-145.
8
[9] Chio Y and Yuan RL. Time-dependent deformation of pultruded fiber reinforced polymer composite columns. J Composite for Construct 2003; 7(4): 356-362.
9
[10] Findley WN. Mechanism and mechanic of creep of plastic. J Polymer Engineerin 1960; 16: 57-65.
10
[11] Papanicolaou GC, Zaoutsos Sp and Kontou EA. Fiber orientation dependence of continuous carbon/epoxy composites nonlinear viscoelastic behavior. Composite Science and Technology 2004; 64: 2535-2545.
11
[12] Muliana A, Nair A, Khan KA and Wagner S. Characterization of thermo-mechanical and long term behaviors of multi-layered composite materials. Composite Science and Technology 2006; 66: 2907-2924.
12
[13] Sawant S and Muliana A. A thermo-mechanical viscoelastic analysis of orthotropic materials. Composite Structres 2008; 83: 61-72.
13
[14] Muddasani M, Sawant S and Muliana A. Thermo-viscoelastic responses of multilayered polymer composite experimental and numerical studies. Composite Structures 2010; 92: 2641-2652.
14
[15] Guedes RM. Nonlinear viscoelastic analysis of thick-Walled cylindrical composite pipes. Int J Mechanic Science 2010; 52: 1064-1073.
15
[16] Faria H and Guedes RM. Long-term behaviour of GFRP pipes: Reducing the prediction test duration. Polymer Testing 2010; 29: 337–345.
16
[17] Yoon SH and Oh JO. Prediction of long term performance for GRP pipes under sustained internal pressure. Composite Structure 2015; 134: 185–189
17
[18] Lavergne F, Sab K, Sanahuja J, Bornert M and Toulemonde C. Estimation of creep strain and creep failure of a glass reinforced plastic by semi-analytical methods and 3D numerical simulations. Mechanic of Materials 2015; 89: 130–150.
18
[19] Poirette Y, Dominique P and Frédéric T. A contribution to time-dependent damage modeling of composite structures. Appiled Composite Materials 2014; 21(4): 677-688.
19
[20] Yian Z, Zhiying W, Keey SL and Boay CG. Long-term viscoelastic response of E-glass/Bismaleimide composite in seawater environment. Appied Composite Materials 2015; 22(6): 693-709.
20
[21] Monfared V. Circular functions based comprehensive analysis of plastic creep deformations in the fiber reinforced composites. Appied Composite Materials 2016:1-13.
21
[22] Xia M, Takayanagi H and Kemmochi K. Analysis of multi-layered filament-wound composite pipes under internal pressure. Composite Structure 2001; 53: 483-491.
22
[23] Lou YC, Schapery RA, Viscoelastic characterization of a nonlinear fiber-reinforced plastic. J Composite Materials 1971; 5:208-234.
23
[24] Mendelson A. Plasticity: theory and applications. New York: Macmillan. 1968.
24
[25] Ghasemi AR, Hosseinpour K, Mohandes M. Modelling creep behavior of carbon-nanotubes/fiber/polymer composite cylinders. Part N: J Nanomaterials, Nanoengineering and Nanosystems 2017, DOI: 10.1177/2397791418768576
25
[26] You H, Ou H, Zheng ZY. Creep deformation and stresses in thick-walled cylindrical vessels of functionally graded materials subjected to internal pressure. Composite Structures 2007; 78: 285–91.
26
ORIGINAL_ARTICLE
Flexural Behavior of Fiber–Metal Laminates Reinforced with Surface-Functionalized Nanoclay
The effects of surface-functionalized Na+-montmorillonite nanoclay particles on the flexural behavior of E-glass fiber-reinforced aluminum (GLARE) laminates were investigated. The nanoclay particles were subjected to surface functionalization using 3-(trimethoxysilyl)propylamine to increase their compatibility with the epoxy matrix and improve their dispersion within the matrix. Experimental results indicated that the GLARE laminates achieved the highest flexural strength (61%) and energy absorption (51%) at an addition of 3 wt% functionalized nanoclay. The highest flexural modulus (67% increase) was observed at an addition of 5 wt% functionalized nanoclay. The flexural properties of the functionalized nanoclay-filled GLARE laminates were significantly better than those of untreated nanoclay-filled GLARE laminates. Microscopic observations suggested that the introduction of functionalized nanoclay particles markedly enhanced the interfacial adhesion between the matrix and the E-glass fibers.
https://macs.semnan.ac.ir/article_3287_df2567a1cf2cae87d5211c4c055343d5.pdf
2018-11-01T11:23:20
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149
156
10.22075/macs.2018.13315.1130
Fiber-metal laminates
Nanoclay
Surface functionalization
Three-point bending test
Fracture surface
Sh.
Vahedi
vahedi1372@eng.usb.ac.ir
true
1
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
AUTHOR
S.M.H.
Siadati
siadati@kntu.ac.ir
true
2
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
AUTHOR
H.
Khosravi
hkhosravi@eng.usb.ac.ir
true
3
Department of Materials Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran
Department of Materials Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran
Department of Materials Engineering, Faculty of Engineering, University of Sistan and Baluchestan, Zahedan, Iran
LEAD_AUTHOR
A.
Shahrabi
ashahrabi@mail.kntu.ac.ir
true
4
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
Materials Science and Engineering Faculty, K.N. Toosi University of Technology, Tehran, Iran
AUTHOR
[1] Botelho EC, Silva RA, Pardini LC, Rezende MC. A review on the development and properties of continuous fiber/epoxy/aluminum hybrid composites for aircraft structures. Materials Research 2006; 9(3): 247-256.
1
[2] Wu G, Yang JM. The mechanical behavior of GLARE laminates for aircraft structures. J of the Minerals Metals & Materials Society (JOM) 2005; 57(1): 72-79.
2
[3] Dhaliwal GS, Newaz GM. Experimental and numerical investigation of flexural behavior of carbon fiber reinforced aluminum laminates. J of Reinforced Plastics and Composites 2016; 35: 945-956.
3
[4] Chai GB, Manikandan P. Low velocity impact response of fiber-metal laminates-A review. Composite Structures 2014; 107: 363-381.
4
[5] Gonzalez-Canche NG, Flores-Johnson EA, Carrillo JG, Mechanical characterization of fiber metal laminate based on aramid fiber reinforced polypropylene. Composite Structures 2017; 172: 259-266.
5
[6] Prabhakaran RTD, Andersen TL, Bech JI, Lilholt H. Investigation of mechanical properties of unidirectional steel fiber/polyester composites: Experiments and micromechanical predictions. Polymer Composites 2016; 37(2): 627-644.
6
[7] Khalili SMR, Daghigh V, Eslami-Farsani R. Mechanical behavior of basalt fiber reinforced and basalt-fiber metal laminate composites under tensile and bending loads. J of Reinforced Plastics and Composites 2011; 30(8): 647-659.
7
[8] Vermeeren CAJR. An historic overview of the development of fiber metal laminates. Applied Composite Materials 2003; 10: 189-205.
8
[9] Sinmazcelik T, Avci E, Bora OM, Coban O. A review: Fiber metal laminates, background, bonding types and applied test methods. Materials and Design 2011; 32: 3671-3685.
9
[10] Rajkumar GR, Krishna M, Narasimhamurthy HN, Keshavamurthy YC, Nataraj JR. Investigation of Tensile and Bending Behavior of Aluminum based Hybrid Fiber Metal Laminates. Procedia Materials Science 2014; 5: 60-68.
10
[11] Najafi M, Ansari R, Darvizeh A. Environmental Effects on Mechanical Properties of Glass/Epoxy and Fiber Metal Laminates, Part I: Hygrothermal Aging. Mechanics of Advanced Composite Structures 2017; 4(3): 187-196.
11
[12] Yeh PC, Chang PY, Yang JM, Wu PH, Liu MC. Blunt notch strength of hybrid boron/glass/aluminum fiber metal laminates. Materials Science and Engineering A 2011; 528: 2164-2173.
12
[13] Dhaliwal GS, Newaz GM. Experimental and numerical investigation of flexural behavior of carbon fiber reinforced aluminum laminates. J of Reinforced Plastics and Composites 2016; 35(12): 945-956.
13
[14] Sadighi M, Dariushi S. An experimental study of the fiber orientation and laminate sequencing effects on mechanical properties of Glare. Proc IMechE, Part G: J Aerospace Engineering 2008; 222: 1015-1024.
14
[15] Rao PS, Renji K, Bhat MR, Mahapatra DR, Naik GN. Mechanical properties of CNT-Bisphenol E cyanate ester-based CFRP nanocomposite developed through VARTM process. J of Reinforced Plastics and Composites 2015; 34(12): 1000-1014.
15
[16] Zhou Y, Jeelani S, Lacy T. Experimental study on the mechanical behavior of carbon/epoxy composites with a carbon nanofiber-modified matrix. J of Composite Materials 2014; 28(14): 3659-3672.
16
[17] Eslami-Farsani R, Shahrabi-Farahani A. Improvement of high-velocity impact properties of anisogrid stiffened composites by multi-walled carbon nanotubes. Fibers and Polymers 2017; 18(5): 965-970.
17
[18] Khosravi H, Eslami-Farsani R. On the mechanical characterizations of unidirectional basalt fiber/epoxy laminated composites with 3- glycidoxypropyltrimethoxy silane functionalized multi-walled carbon nanotubes-enhanced matrix. J of Reinforced Plastics and Composites 2016; 35(5): 421-434.
18
[19] Du SS, Li F, Xiao HM, Li YQ, Hu N, Fu SY. Tensile and ﬂexural properties of graphene oxide coated-short glass ﬁber reinforced polyethersulfone composites. Composites Part B 2016; 99: 407-415.
19
[20] Karippa JJ, Narasimha Murthy HN, Rai KS, Sreejith M, Krishna M. Study of mechanical properties of epoxy/glass/nanoclay hybrid composites. J of Composite Materials 2011; 45(18): 1893-1899.
20
[21] Sharma SK, Nema AK, Nayak SK. Effect of modified clay on mechanical and morphological properties of ethyleneoctane copolymer-polypropylene nanocomposites. J of Composite Materials 2012; 46(10): 1139-1150.
21
[22] Hedayatnasab Z, Eslami-Farsani R, Khalili SMR, Soleimani N. Mechanical characterization of clay reinforced polypropylene nanocomposites at high temperature. Fibers and Polymers 2013; 14(10): 1650-1656.
22
[23] Yin X, Hu G. Effects of organic montmorillonite with different interlayer spacing on mechanical properties, crystallization and morphology of polyamide 1010/nanometer calcium carbonate nanocomposites. Fibers and Polymers 2015; 16(1): 120-128.
23
[24] Park SJ, Kim BJ, Seo DI, Rhee KY, Lyu YY. Effects of a silane treatment on the mechanical interfacial properties of montmorillonite/epoxy nanocomposites. Materials Science and Engineering A 2009; 526: 74-78.
24
[25] Jagtap SB, Rao VS, Ratna D. Preparation of flexible epoxy/clay nanocomposites: effect of preparation method, clay modifier and matrix ductility. J of Reinforced Plastics and Composites 2013; 32(3): 183-196.
25
[26] Ha SR, Rhee KY, Kim HC, Kim JT. Fracture performance of clay/epoxy nanocomposites with clay surface-modiﬁed using 3-aminopropyltriethoxysilane. Colloids and Surfaces A: Physicochemical and Engineering Aspects 2008; 313-314: 112-115.
26
[27] Chan ML, Lau KT, Wong TT, Ho MP, Hui D. Mechanism of reinforcement in NCPs/polymer composite. Composites Part B 2011; 42: 1708-1712.
27
[28] Chowdhury FH, Hosur MV, Jeelani S. Studies on the ﬂexural and thermo mechanical properties of woven carbon/NCPs-epoxy laminates. Materials Science and Engineering A 2006; 421: 298-306.
28
[29] Ngo TD, Nguyen QT, Nguyen PT, et al. Effect of NCPs on thermo mechanical properties of epoxy/glass fiber composites. Arabian J for Science and Engineering2016; 41: 1251-1261.
29
[30] Karripal JJ, Murthy HNN, Rai KS, Sreejith M, Krishna M. Study of mechanical properties of epoxy/glass/NCPs hybrid composites. J of Composite Materials 2011; 46(18): 1893-1899.
30
[31] Khosravi H, Eslami-Farsani R. Enhanced mechanical properties of unidirectional basalt ﬁber/epoxy composites using silane-modiﬁed Na+-montmorillonite nanoclay. Polymer Testing 2016; 55: 135-142.
31
[32] Romanzini D, Piroli V, Frache A, Zattera AJ, Amico SC. Sodium montmorillonite modiﬁed with methacryloxy and vinylsilanes: inﬂuence of silylation on the morphology of clay/unsaturated polyester nanocomposites. Applied Clay Science 2015; 114: 550-557.
32
[33] Mishra AK, Allauddin S, Narayan R, Aminabhavi TM, Raju KVSN. Characterization of surface-modiﬁed montmorillonite nanocomposites. Ceramic International 2012; 38: 929-934.
33
[34] Bertuoli PT, Piazza D, Scienza LC, Zattera AJ. Preparation and characterization of montmorillonite modiﬁed with 3-aminopropyltriethoxysilane. Applied Clay Science 2014; 87: 46-51.
34
[35] Shanmugharaj AM, Rhee KY, Ryu SH. Inﬂuence of dispersing medium on grafting of aminopropyltriethoxysilane in swelling clay materials. Journal of Colloid and Interface Science2006; 298: 854-859.
35
[36] Huskic M, Zigon M, Ivankovic M. Comparison of the properties of clay polymer nanocomposites prepared by montmorillonite modiﬁed by silane and by quaternary ammonium salts. Applied Clay Science 2013; 85: 109-115.
36
[37] Khan SU, Iqbal K, Arshad Munir, Kim JK. Quasi-static and impact fracture behaviors of CFRPs with nanoclay-ﬁlled epoxy matrix. Composites Part A 2011; 42: 253-264.
37
[38] Eslami-Farsani R, Khalili SMR, Hedayatnasab Z, Soleimani N. Inﬂuence of thermal conditions on the tensile properties of basalt ﬁber reinforced polypropylene-clay nanocomposites. Materials and Design 2014; 53: 540-549.
38
[39] Khosravi H, Eslami-Farsani R. On the flexural properties of multiscale nanosilica/E-glass/epoxy anisogrid-stiffened composite panels. Journal of Computational and Applied Research in Mechanical Engineering 2016; 7: 99-108.
39
ORIGINAL_ARTICLE
Improving the Performance of Porous Concrete Composites Using Zeolite as a Coarse Grain
Porous concrete is a mixture of cement and water that may contain fine grains, which play a role in water transfer and permeability. Porous concrete can act as a drain to pass rainwater and recharge groundwater. In this study, 25%, 50%, 75%, and 100% zeolite were used to replace the coarse aggregates in porous concrete. The effects of the zeolite on the compressive strength, permeability coefficient, porosity, and density of the concrete were investigated. The results showed that the zeolite reduced the compressive strength of the concrete samples because of its porous nature. The permeability coefficient and porosity increased with the addition of zeolite. The highest (10.29 MPa) and lowest compressive strength (6.79 MPa) were observed in the 25% and 100% zeolite samples, respectively. The highest porosity (30.97%) and permeability coefficient (1.76 mm/s) were measured in the 100% zeolite sample. For the 25%, 50%, 75%, and 100% zeolite samples, the permeability coefficient increased by 6.99%, 17.39%, 21.3%, and 24.4%, respectively; the density decreased by 7.77%, 10, 15%, and 19.44%, respectively, with respect to the control sample.
https://macs.semnan.ac.ir/article_3288_c78e8224a1fbc8ad836bf19207daa88e.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
157
163
10.22075/macs.2018.13363.1131
Porous concrete
Additive
Zeolite
Physical properties
Groundwater recharge
Mahsa
Doostmohamadi
m.doostmohamadi@semnan.ac.ir
true
1
Graduated MSc. Student, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Graduated MSc. Student, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Graduated MSc. Student, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
AUTHOR
Hojat
Karami
hkarami@semnan.ac.ir
true
2
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
LEAD_AUTHOR
Saeed
Farzin
saeed.farzin@semnan.ac.ir
true
3
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Assistant Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
AUTHOR
Sayed-Farhad
Mousavi
fmousavi@semnan.ac.ir
true
4
Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
Professor, Faculty of Civil Engineering, Semnan University, Semnan, Iran.
AUTHOR
[1] ACI Committee 522R-10. Pervious concrete. American Concrete Institute. 2010.
1
[2] Henderson, V. Evaluation of the performance of pervious concrete pavement in the Canadian climate. PhD Thesis, University of Waterloo, Ontario, Canada 2012.
2
[3] Yang, J and Jiang, G. Experimental study on properties of pervious concrete pavement materials. Cement and Concrete Research 2003; 33(3): 381-386.
3
[4] https://challenge.abettercity.org/toolkits/climate-resilience-toolkits/flooding-and-sea-level-rise/paving-and-asphalt?toolkit=229.
4
[5] Gaedicke C, Marines A, Miankodila F. A method for comparing cores and cast cylinders in virgin and recycled aggregate pervious concrete. Construction and Building Materials 2014; 52: 494-503.
5
[6] Zaetang Y, Wongsa A, Sata V, Chindaprasirt P. Use of lightweight aggregates in pervious concrete. Construction and Building Materials 2013; 48: 585-591
6
[7] Ćosić K, Korat L, Ducman V, Netinger I. Influence of aggregate type and size on properties of pervious concrete. Construction and Building Materials 2015; 78: 69-76.
7
[8] Joshaghani A, Ramezanianpour A. A, Ataei O, Golroo A. Optimizing pervious concrete pavement mixture design by using the Taguchi method. Construction and Building Materials 2015; 101: 317-325.
8
[9] Li J, Zhang Y, Liu G, Peng X. Preparation and performance evaluation of an innovative pervious concrete pavement. Construction and Building Materials 2017; 138: 479-485.
9
[10] Ahmadi B, Shekarchi M. Use of natural zeolite as a supplementary cementitious material. Cement and Concrete Composites 2010; 32(2):134–141.
10
[11] Najimi M, Sobhani J, Ahmadi B, Shekarchi M. An experimental study on durability properties of concrete containing zeolite as a highly reactive natural pozzolan. Construction and Building Materials 2012; 35: 1023-1033.
11
[12] Valipour M, Pargar F, Shekarchi M, Khani S. Comparing a natural pozzolan, zeolite, to metakaolin and silica fume in terms of their effect on the durability characteristics of concrete: A laboratory study. Construction and Building Materials 2013; 41: 879–888.
12
[13] Ghourchian S, Wyrzykowski M, Lura P, Shekarchi M, Ahmadi B. An investigation on the use of zeolite aggregates for internal curing of concrete. Construction and Building Materials 2013; 40: 135-144.
13
[14] Vejmelková E, Koňáková D, Kulovaná T, Keppert M, Žumár J, Rovnaníková P, Černý R. Engineering properties of concrete containing natural zeolite as supplementary cementitious material: Strength, toughness, durability, and hygrothermal perfomance. Cement and Concrete Composites 2015; 55: 259-267.
14
[15] Nagrockienė D, Girskas G, Skripkiūnas G. Properties of concrete modified with mineral additives. Construction and Building Materials 2017; 135: 37-42.
15
[16] Samimi K, Kamali-Bernard S, Maghsoudi A. A, Maghsoudi M, Siad H. Influence of pumice and zeolite on compressive strength, transport properties and resistance to chloride penetration of high strength self-compacting concretes. Construction and Building Materials 2017; 151: 292-311.
16
[17] ACI Committee 211. Guide for Selecting Proportions for No-slump Concrete. ACI 211.3R Report. 2006.
17
[18] British Standard, Testing Concrete, Method for Making Test Cubes from Fresh Concrete. BS 1881, 1983; Part 108.
18
[19] ASTM C1754/C1754M-12. Standard Test Method for Density and Void Content of Hardened Pervious Concrete. ASTM International, USA 2012.
19
ORIGINAL_ARTICLE
Investigation of Capsulated Epoxy and DCPD in Epoxy Based Self-healing Composites - DFT Calculation and Experimental Analysis
Epoxy and dicyclopentadien (DCPD) are two common healing agents, which are introduced into epoxy matrix through encapsulation in order to prepare self-healing composites. In a comparative study, the compatibility of healing agents and epoxy matrix is investigated through experimental tests and DFT calculations. The interaction energy is considered to be the determinative parameter in DFT calculation. The values of total interaction energy are -0.14eV for DCPD and +0.169eV for epoxy absorbing on epoxy matrix. According to the obtained results from DFT, an attraction between DCPD and epoxy matrix is observed. DOS and charge analysis of these systems are fulfilled and demonstrated the charge transfer of 0.07 e from epoxy to DCPD. The obtained data reveal the most charge transfer is occurred in DCPD-epoxy, which affects the mechanical properties of healed composites. To examine the mechanical properties, tensile strength parameters are measured experimentally and demonstrated the improved ultimate strength of 783.49 MPa in DCPD/epoxy system rather than the ultimate strength of 571.87 MPa in epoxy/epoxy system. Also elongation at break in DCPD-epoxy system is improved to 3.44% compared to 1.84% in epoxy/ epoxy blend. These findings highlight the role of interaction energy in mechanical properties of polymeric interface, and prompt further experiments and simulations to confirm this effect.
https://macs.semnan.ac.ir/article_3291_674d0a1ecb40dc8e45fe43f0d752eec6.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
165
171
10.22075/macs.2018.15389.1152
Epoxy
DCPD
DFT
interaction energy
tensile strength
Sepide
Khostavan
s.khostavan@gmail.com
true
1
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
AUTHOR
Mostafa
Fazli
mfazli@semnan.ac.ir
true
2
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
Department of chemistry, Faculty of sience, University of Semnan , Semnan, Iran
LEAD_AUTHOR
Abdollah
Omrani
true
3
Department of Physical Chemistry , Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
Department of Physical Chemistry , Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
Department of Physical Chemistry , Faculty of Chemistry, University of Mazandaran, Babolsar, Iran
AUTHOR
Morteza
Ghorbanzadeh Ahangari
ghorbanzadeh.morteza@gmail.com
true
4
University of Mazandaran
University of Mazandaran
University of Mazandaran
AUTHOR
[1] Madara SR, Raj S, Selvan Ch.P, Review of research and developments in self-healing composite materials, Materials Science and Engineering 2018;346: 012011-012027.
1
[2] Samadzadeha M, Hatami Bouraa S, Peikari M, Kasirihab SM, Ashraﬁ A, A review on self-healing coatings based on micro/nanocapsules, Progress in Organic Coatings 2010; 68: 159–164.
2
[3] Zhao Y, Fickert J, Landfester K, Crespy D, Encapsulation of Self‐Healing Agents in Polymer Nanocapsule, Small 2012; 8(19): 2954-2958.
3
[4] Bekas D.G, Tsirka K, Baltzis D, Paipetis A.S, Self-healing materials: A review of advances in materials, evaluation, characterization and monitoring techniques, Composites Part B: Engineering2016; 87: 92-119.
4
[5] Henghua J, Chris LM, Dylan SS, Jeffrey SM, Nancy RS, Scott RW, Self-healing thermoset using encapsulated epoxy-amine healing chemistry, Polymer 2012; 53(2): 581-587.
5
[6] Zhang H, Wang P, JYang J, Self-healing epoxy via epoxy–amine chemistry in dual hollow glass bubbles, Composites Science and Technology 2014; 94: 23–29.
6
[7] Ishida H, Kumar G, Molecular Characterization of Composite Interfaces. New York; Plenum, 1985.
7
[8] Ishida, H. and Koenig, J.L. Composite Interfaces. New York North; Holland, 1986.
8
[9] Elstner M, Porezag D, Jungnickel G, Elsner J, Haugk M, Frauenheim T, Suhai S, Seifert G, Self-consistent-charge density-functional tight-binding method for simulations of complex materials properties. Phys Rev B 1998; 58: 7260–7268.
9
[10] Frauenheim T, Seifert G, Elstner M, Niehaus T, Köhler C, Amkreutz M, Sternberg M, Hajnal Z, Carlo AD, Suhai S, Atomistic simulations of complex materials: ground-state and excited-state properties. J Phys Condens Matter 2002; 14: 3015–3049.
10
[11] Elstner M, Porezag D, Jungnickel G, Elsner J, Haugk M, Frauenheim T., Suhai S., Seifert G., Self-consistent-charge density-functional tight-binding method for simulations of complex materials properties, Physical Review B 1998; 58:7260- 7268.
11
[12] Aradi B, Hourahine B, Frauenheim Th,DFTB+, a Sparse Matrix-Based Implementation of the DFTB Method, The Journal of Physical Chemistry A 2007; 111: 5678-5684.
12
[13] Hohenberg P, Kohn W, Inhomogeneous Electron Gas, Physical Review 1964; 136 (3B): 864- 871.
13
[14] Kohn W, Nobel Lecture: Electronic structure of matter—wave functions and density functionals, Reviews of Modern Physics 1999; 71 (5): 1253- 1266.
14
[15] Ordejon P, Artacho E, Soler JM, Self-consistent order-N density-functional calculations for very large systems, Physical Review 1996; 53 (16): R10441-R10444.
15
[16] Soler JM, Artacho E, Gale JD, Garcıa A, Junquera J, Ordejon P, Sanchez-Portal D, The SIESTA method for ab initio order-N materials simulation, Journal of Physics: Condensed Matter 2002; 14: 2745-2779.
16
[17] Perdew JP, Burke K, Ernzerhof M, Generalized Gradient Approximation Made Simple, Physical Review Letters 1996; 77 (18): 3865-3868.
17
[18] Mendez F, Gazquez JL, The Fukui function of an atom in a molecule: A criterion to characterize the reactive sites of chemical species, Proc. Indian Acad. Sci. 194: 106 (2): 183–193.
18
[19] Davidson TA, Wagener KB, Priddy DB, Polymerization of Dicyclopentadiene: A Tale of Two Mechanisms, Macromolecules 1996; 29 (2): 786-788.
19
[20] Kole S, Roy S, Bhowmick AK, Influence of chemical interaction on the properties of silicone-EPDM rubber blend, Polymer 1995; 36 (17): 3273-3217.
20
ORIGINAL_ARTICLE
An Analytical Approach to Thermoelastic Bending of Simply Supported Advanced Ribbed Composite Plates
In the present paper, an analytical approach is used to study the thermal deflections of a simply supported composite plate with a beam-like stiffener. The results for a plate–beam system exposed to a sinusoidal thermal load is used to study the effects of the low Earth orbit (LEO) thermal conditions on the composite plates, which have been used in the structure of satellites and spacecraft. To solve the governing equations of the system, the Laplace transform method for the time domain is used with the Navier series expansions. As the employed method is completely analytical, the results are exact.
https://macs.semnan.ac.ir/article_3285_21c0427816f32ae920e9c4fd078c9f24.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
173
185
10.22075/macs.2018.12357.1124
Ribbed composite plate
Thermoelastic Bending
Laplace transform
Advanced composite
Morteza
Shahravi
shahravim@yahoo.com
true
1
Department of Aerospace Eng.
Department of Aerospace Eng.
Department of Aerospace Eng.
AUTHOR
Sina
Falahzade
m.mokthtari@sina.kntu.ac.ir
true
2
department of SGC
department of SGC
department of SGC
AUTHOR
Madhid
Mokhtari
m.mokhtari@sina.kntu.ac.ir
true
3
S.G. center of research
S.G. center of research
S.G. center of research
LEAD_AUTHOR
[1] Sayyad AS, Ghugal YM, Mhaske BA. A Four-Variable Plate Theory for Thermoelastic Bending Analysis of Laminated Composite Plates, Journal of Thermal Stresses 2015; 38: 904–925.
1
[2] Tauchert TR, Thermally Induced Flexure, Buckling and Vibration of Plates. Appl. Mech. Rev. 1991; 44(8):347–360.
2
[3] Argyris J, Tenek L. Recent Advances in Computational Thermostructural Analysis of Composite Plates and Shells with Strong Nonlinearities. Appl. Mech. Rev. 1997; 50(5): 285–306.
3
[4] Kant T, Swaminathan K. Estimation of Transverse/Interlaminar Stresses in Laminated Composites—A Selective Review and Survey of Current Developments. Compos. Struct. 2000; 49: 65–75.
4
[5] Reddy JN, Arciniega RA. Shear Deformation Plate and Shell Theories: From Stavsky to Present. Mech. Adv. Mater. Struct. 2004; 11(6): 535–582.
5
[6] Wanji C, Zhen W. A Selective Review on Recent Development of Displacement-Based Laminated Plate Theories. Recent Pat. Mech. Eng. 2008; 1:29–44.
6
[7] Reddy JN, Mechanics of Laminated Composite Plates, CRC Press, Boca Raton, 1997.
7
[8] Reddy JN, A Simple Higher Order Theory for Laminated Composite Plates, ASME J. Appl. Mech. 1984; 51: 745–752.
8
[9] Tauchert TR. Thermoelastic Analysis of Laminated Orthotropic Slabs. J. Therm. Stresses 1980; 3: 117–132.
9
[10] Khdeir AA, Reddy JN, Thermal Stresses and Deflections of Cross Ply Laminated Plates Using Refined Plate Theories. J. Therm. Stresses 1991; 14: 419–439.
10
[11] Savoia M, Reddy JN. Three-Dimensional Thermal Analysis of Laminated Composite Plates, Int. J. Solids Struct. 1995; 32: 593–608.
11
[12] Rohwer K, Rolfes R, Sparr H. Higher-Order Theories for Thermal Stresses in Layered Plates, Int. J. Solids Struct. 2001; 38: 3673–3687.
12
[13] Carrera E, A Ciuffred. Closed-Form Solutions to Assess Multilayered-Plate Theories for Various Thermal Stress Problems. J. Therm. Stresses 2004; 27: 1001–1031.
13
[14] Fares ME, Zenkour AM. Mixed Variational Formula for the Thermal Bending of Laminated Plates. J. Therm. Stresses. 1999; 22: 347–365.
14
[15] Zenkour AM. Analytical Solution for Bending of Cross-Ply Laminated Plates under Thermo-Mechanical Loading. Compos. Struct. 2004; 65: 367–379.
15
[16] Zenkour AM, Allam MNM, Radwan AF. Bending of Cross-Ply Laminated Plates Resting on Elastic Foundations under Thermo-Mechanical Loading. Int. J. Mech. Mater. Des. 2013;9: 239–251.
16
[17] Zhen W, Cheng YK, Lo SH, Chen W. Thermal Stress Analysis For Laminated Plates Using Actual Temperature Field. Int. J. Mech. Sci. 2007; 49: 1276–1288.
17
[18] Gao Y, Zhao B. The Refined Theory of Thermoelastic Rectangular Plates. J. Therm. Stresses 2007; 30: 505–520.
18
[19] Khdeir AA. An Exact Solution for the Thermoelastic Deformations of Cross-Ply Laminated Arches with Arbitrary Boundary Conditions. J. Therm. Stresses. 2011; 34: 1227–1240.
19
[20] Kant T, Shiyekar SM. An Assessment of a Higher Order Theory for Composite Laminates Subjected to Thermal Gradient. Compos. Struct. 2013; 96: 698–707.
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ORIGINAL_ARTICLE
Thermoelastic Interaction in a Three-Dimensional Layered Sandwich Structure
The present article investigates the thermoelastic interaction in a three-dimensional homogeneous and isotropic sandwich structure using the dual-phase-lag (DPL) model of generalized thermoelasticity. The incorporated resulting non-dimensional coupled equations are applied to a specific problem in which a sandwich layer of unidentical homogeneous and isotropic substances is subjected to time-dependent thermal loadings; the two outer sides are traction-free. The analytical expressions for the displacement components, stress, temperature, and strain are obtained in the physical domain using the normal mode analysis. The mathematical difficulties in dealing with the hyperbolic heat conduction equation are overcome and the thermophysical quantities of the sandwich structure are depicted graphically. The effect that the two phase lags have on the studied field are highlighted. The results demonstrate the phenomenon of a finite speed of wave propagation in a sandwich structure for each field.
https://macs.semnan.ac.ir/article_3290_c3a227cc8e384519454159e98561e0b3.pdf
2018-11-01T11:23:20
2021-02-27T11:23:20
187
198
10.22075/macs.2018.14201.1141
Generalized thermoelasticity
Dual-phase-lag thermoelastic model
Hyperbolic heat conduction
Finite wave speed
Normal mode analysis
Abhik
Sur
abhiksur4@gmail.com
true
1
Department of Applied Mathematics, University of Calcutta, India
Department of Applied Mathematics, University of Calcutta, India
Department of Applied Mathematics, University of Calcutta, India
LEAD_AUTHOR
M.
Kanoria
true
2
Department of Applied Mathematics, University of Calcutta, India
Department of Applied Mathematics, University of Calcutta, India
Department of Applied Mathematics, University of Calcutta, India
AUTHOR
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