Abstract
Closed cell aluminium foams emerged as advanced materials in the area of automobile, marine, aerospace and structural applications. Obtaining a homogeneous pore structure, process consistency, less compressibility yield strength for its production cost are few challenges in metallic foams. Aluminium foams are normally produced using hydride and carbonates as foaming agents. Foams produced through carbonates will be cheaper and safe when compared to hydrides. SiC particles were used as hybrid reinforcement and a comparative study was made between CaCO3 and TiH2 blowing agent. Stabilizing particles plays a significant role in holding bubbles in the melt, after admixing the blowing agent. In this research work in-situ creation of foam stabilizing particles Al2O3 with the reaction of aluminium/SiC composite was produced by stir casting process. The resulting metal foams are then studied under uniaxial compression test. An in-situ and ex-situ studies was carried out in order to correlate structure and properties of prepared aluminium composite foams.
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