Comparison of Experimental and Numerical Study on Superplastic Forming of Rectangular Box Shape using AZ31 Magnesium Alloy Sheet
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Abstract
Super plastic forming has become a feasible process in manufacturing aircraft and automobile parts. Super-plasticity is a property of certain metallic materials which enable them to attain very high elongations (100% and above) without necking under certain conditions. This is assigned to the viscous behaviour exhibited by certain metals and alloys with very fine and stable grain structure at temperatures above half of the melting point. The experimental setup was developed for finding the parametric influences and their effects on super plastic forming. AZ31 Magnesium alloy is most suitable materials for producing more complex shapes using super plastic forming method. The experimental values of pressure, temperature and the thinning, dome height of the super plastically formed specimens were analysed.
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