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In order to attain the distribution of hardness and austenite volume fraction in the induction hardening by the numerical simulation, the dilatometric curves of phase-transformation for 55CrMo steel were tested by the Gleeble-1500D thermal–mechanical simulator at the different heating rates. The volume fraction of austenite was evaluated using the level principle according to these curves. The regression...
To improve the distribution of the hardened layer and avoid potential defects, the effects of induction hardening parameters on the hardened layer were researched using the finite element method (FEM). A FEM model of single coil induction hardening was built, and temperature curves on the surface region of a ball screw were attained by numerical simulation. The hardenability and phase transformation...
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