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Title:

Study the effect of chemistry, including combination of elements and their ranges, on the formation of porosity, shrinkage, cracks and creep resistance in Nickel base alloys.

Aluminium, Boron and Tungsten were have been chosen.

• Discuss the dependence of chemical compositions, either qualitatively or quantitatively, on the formation of defects such as porosity, shrinkage and cracks and creep properties for Ni based alloys. Discuss the sensitivity of proportion of various alloying elements on defects and mechanical properties