Abstract
In this present investigation, we try to study the influence of the chemical composition of different alloying elements on microstructure and on mechanical properties of a nodular graphite cast iron. The dimensions of each specimens in form of stair are 200 mm × 100 mm × 50 mm. Cooling rate has been considered. In this analysis, the different microstructures of the stairs have been considered. Fracture toughness, impact toughness, yield and tensile strength are studied.
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