Influence of processing conditions on the properties of investment cast austenitic stainless steel

P MARTIN JEBARAJ, Malur N Srinivasan, M R Seshadri


A full factorial 23 matrix was designed to study the effect of simultaneous variations in the pressure of the melting and casting environment. casting size and mould preheating temperature on the mechanical behaviour and intergranular Tosion of an investment cast austenitic stainless steel. The results indicate that thepressure of the melting and casting environment exerts the most significant influence on the properties examined. Combinations of the variables which give rise to improved properties have been identified.


Stainless steel; vacuum melting and casting; mechanical properties. corrosion; investment casting; design of experiments; austenite; delta ferrite.

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