Mechanical Properties and Abrasive Wear Behaviour of Al-SiC Composite

Mechanical Properties and Abrasive Wear Behaviour of Al-SiC Composite

Mechanical Properties and High-Stress Abrasive Wear Behaviour of Al-Si Alloys and Composite

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This study examined the microstructure, mechanical and abrasive wear of as-cast and T6 heat-treated LM25 + 10% SiC composite by comparing its properties with those of its matrix alloy and low-cost high-silicon alloy (LM30). The microstructure of the composite was found to exhibit uniformly dispersed SiC particles, as well as good interfacial bonding between the SiC particles and the matrix. Heat treatment caused the needle-shaped silicon to become more spherical, and improved the homogeneity of its dispersion in the matrix. The hardness, ultimate tensile strength, yield strength and wear resis...