Microstructure Study and Optimization of Hardness And Tensile Strength Of AW2024/B4Cp Reinforced Composites Through Linear Regression.

Articles in Press

Document Type : Research Article

Authors

1 Department of Mechanical Engineering, Cambridge Institute of Technology, K R Puram, Bangalore, Karnataka, India.

2 Department of Electronics and Communication Engineering, R L Jalappa Institute of Technology, Doddaballapur, Karnataka, India

Abstract

The current research is focused on production of AW2024/B4C metal reinforced composite by using liquid stir casting method. Ceramic particles armored composites are mainly used in engineering applications which includes aircraft, automotive and marine fields. AW2024/B4C composites are produced by changing wt.% of B4Cp as 1.00%, 3.00% and 5.00%. The produced AW2024/B4C composites are machined as per ASTM E8-16a, IS1500 and IS7739 standard test size and subjected to artificial ageing. The hardness and tensile strength of AW2024/B4C composites was measured through Brinell hardness tester and universal testing machine respectively. The microstructure of the prepared composite material was examined to know the uniform distribution of reinforcement material. The highest hardness and tensile strength of AW2024/B4C composites was measured and found to be 84.97 BHN and 273.82 N/mm2 for AW2024/5%B4C with 5 hrs. ageing duration. The results achieved reveals that both hardness as well as tensile strength increased by increasing weight percentage of B4C content. L9 standard orthogonal display was espoused to investigate the best parameter and also to authenticate the experimental test results. Further, fracture study was done through SEM images to know the mode of fracture.

Keywords

Main Subjects

Mechanics of Advanced Composite Structures

Articles in Press, Accepted Manuscript
Available Online from 17 May 2025

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