Investigating the effect of heat treatment on B4C reinforced aluminum metal matrix composites (original) (raw)

Materials Today: Proceedings, 2021

Abstract

Abstract The present work focuses on investigation of tensile and compressive strengths of AA7050-B4C composites before heat treatment (as-cast) and post heat treatment. Composites with 2, 4, 6 and 8 wt% of B4C were prepared using bottom pouring stir-casting furnace. Microstructural analysis done using EDS and SEM results affirmed that the B4C particulates were homogeneously scattered in the alloy matrix. Solution heat treatment was carried out on cast samples at 530 °C for a period of 2 h. After solution, T6 heat treatment (Artificial Ageing) was performed on the samples at 180 °C for a period of 8 h. Mechanical strength properties- yield strength, ultimate tensile strength and compression strength, were determined according to ASTM standards.

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