The Impact of Fiber Architecture on the Mechanical Properties of Hand Lay-up Reinforced Polyester Resin

Articles in Press

Document Type : Research Article

Authors

1 Department of Metallurgical Engineering, Faculty of Engineering, Rajamangala University of Technology Isan, Khon Kaen Campus, Khon Kaen, 40000 Thailand.

2 Faculty of Industrial Technology, Rambhai Barni Rajabhat University, Chanthaburi

3 Department of Materials Engineering, Faculty of Engineering and Technology, Rajamangala University of Technology Isan, Nakhon Ratchasima,Thailand

Abstract

This work aimed to improve the mechanical properties of a glass fiber-reinforced polyester resin composite material. The research evaluated the effect of glass fiber architecture on these properties by using fibrous-like and sheet-like glass fibers to reinforce polyester resins via a hand lay-up method. The prepared specimens were analyzed for various mechanical properties, including tensile, hardness, and flexural, according to ASTM standards. The results showed that glass fiber reinforcement in both fibrous-like and sheet-like forms enhanced the mechanical properties of polyester resin. Specifically, polyester resin composites reinforced with fibrous-like glass fibers exhibited superior mechanical properties. The hardness was 28.03±3.5 HV, the tensile strength was 76.31±11.4 MPa, the tensile modulus was 2293.92±116.7 MPa, and the percent elongation at break was 5.92%, with a flexural resistance of 114.49±22.2 MPa and a flexural modulus of 5377.37±596.6 MPa. Additionally, a simulation model using SIMCENTER 3D software was utilized to assess the stress application on a large water tank fabricated by the as-prepared composites. The simulation confirmed the performance of these composites.

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Main Subjects

Mechanics of Advanced Composite Structures

Articles in Press, Accepted Manuscript
Available Online from 10 October 2024

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