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Surface Modification and Surface Melting in Grinding - A Comparative and Comprehensive Study

Grinding, an important finish machining process for discrete components, generates more amount of specific heat energy compared to most of the other conventional metal cutting processes. So, there is an imminent danger of the damaging ground surface if the heat energy so generated is not controlled or dissipated adequately. This problem opens up a possibility of using the heat energy for surface hardening of the ground components while it is being machined. The surface hardening in such case is induced by diffusion mechanism. This paper deals with the experimental studies carried out to understand the extent and nature of surface modifications induced on the surface of the ground components. The results of the experiments are encouraging that further research in utilizing the grinding heat energy for surface hardening purpose may become a viable option.