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Abstract
Induction hardening in a case hardening process in which we can harden selective portion of the component or material. Advantage of this process in it suitable for production of components of similar configuration or geometry hardened layer produced in this process is called as case depth. Hardness of this case depth varies depending upon the types of material used. The components are heated by using high frequency electric current which sets up & subsequently hardness Induced eddy current heat the surface of the steel very quickly and are quickly followed by jets of water to quench the component. A level layer of case depth is produced with soft core. (Inner position of the material). Case hardness is measured only in HRC machines or Vickers hardness testing machine. Induction hardening process is widely applied automobile component. Normally induction hardening machines are classified as low frequency medium frequency and High frequency based on the frequency output from the machines. Components hardened are flange coupling, shift shaft, idler shaft etc..., Method of induction hardening is enveloped for EN8, CK45, S48C, EN18, EN19, materials etc...,