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Engineering MaterialsWrite a short note on: Super alloy20257mEngineering MaterialsExplain the purpose of alloying in steels, naming at least four common alloying elements and summarising their main effects on mechanical properties.20257mEngineering MaterialsName the important heat treatment processes of steel. Explain any two of them with neat sketches.20246mEngineering MaterialsA 65wt% Ni - 35wt% Cu alloy is heated to a temperature within the \alpha + liquid phase region. If the composition of the \alpha phase is 70wt% Ni, Determine: (a) The temperature of the alloy (b) Composition of liquid phase (c) The mass fraction of both phases202414m