Abstract
Aluminum-Alloy Reinforced among ceramic particles Composites (AMCs) or Hybrid Metal Composites (HMC) is a class of compact, higher production compositions which are aluminum-centric. Due to their superior physcio-mechanical characteristics when compared to their base Al alloy. Aluminum MMCs are extensively utilized in a mixed range of applications. The present work is aimed to study the mechanical properties of composite Al alloy (A356/LM25) reinforced with micro-sized ceramic particles (Al2O3 and graphite) by means of stir casting process. Different sets of composites with invariable 1% weight fraction of graphite and 1, 3, 5 % weight of ceramic particle size of 100–200 μm (Al2O3) and un-reinforced A356/ LM25 samples are prepared by variable speeds of stirring likely be 200 rpm, 300 rpm and 400 rpm sustaining constant temperature. Tensile strength and hardness tests were performed to study the optimum composition.
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