1 (a) Differentiate the room temperature fracture mode that is likely to occur in each of the following i) 99.99% high p

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1 A Differentiate The Room Temperature Fracture Mode That Is Likely To Occur In Each Of The Following I 99 99 High P 1 (26.47 KiB) Viewed 14 times

1 (a) Differentiate the room temperature fracture mode that is likely to occur in each of the following i) 99.99% high purity, well-annealed copper ii) a well-annealed copper alloy containing 5% volume fraction of silica inclusions. Comment on what will happen to the ductility in ii) if the inclusion volume fraction is increased to 10%. Derive a relation between the tensile ductility and the inclusion volume fraction that will be applicable to an alloy like that in ii) above. 1 (b) Explain the role of void formation in intergranular creep fracture. H Derive an equation for the critical tensile stress which will cause a grain boundary void of a given radius to grow.-