Deep cryogenic treatment has been proved as the most viable and effective method for enhancing the mechanical properties of metals in the recent past. This project aims to investigate the effect of cryogenic treatment on the mechanical properties of brass powder compacted parts. The powder metal part is made by mixing the alloy powders of desired composition, forming the mixture into a desired part shape and sintering it to a desired temperature. The sintered part is then subjected to cryogenic cooling using liquid nitrogen. Experiments are carried out for comparing the variation in the mechanical properties (strength, hardness, and wear resistance) of brass parts after cryogenic treatment with that after conventional heat treatment.
Deep cryogenic treatment, powder compact, sintering, brass powder
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