Fabrication and Mechanical Properties of Al7075-SiC-TiC Hybrid Metal Matrix Composites
Journal Title: International Journal of Engineering and Science Invention - Year 2017, Vol 6, Issue 10
Abstract
The world market for metal matrix based composites (MMCS) consumed 5.9 million kilograms of produce in 2014.It is expected to increase to 10 million in 2020 for a compounded annual growth rate of 7%. Various MMCs are found in many applications such as aerospace, space, electrical and automotive industries due to their good physical, mechanical and corrosion properties. But MMCs suffer from insufficient process stability, reliability and in-adequate economic efficiency. To overcome these problems, the hybrid metal matrix composites (HMMCs) were developed. The reinforcement materials in aluminum alloy improve the mechanical properties. In this work, the mechanical behavior of Aluminum Hybrid Metal Matrix Composites (HMMCs) has been investigated. Al7075 alloy was selected as matrix alloy and Silicon Carbide (SiC) and Titanium Carbide (TiC) were used as reinforcements for fabrication of HMMCs by liquid metallurgical technique (Stir Casting Technique). The mechanical properties such as yield strength, ultimate tensile strength, Brinell hardness and Impact strength were conducted for HMMCs specimen as per ASTM standard. The mechanical properties are increased for the combination of reinforcement TiC and SiC and impact strength was decreased.
Authors and Affiliations
B. Ravi
Keywords
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