Abstract
This study focuses on the numerical model simulation of stress and temperature fields of carburized specimens with different carbon content during the quenching process. In the models the coupling between thermal field, phase transformation field and stress field was considered. The changes of the thermomechanical parameters of the material, as a function of carbon content and thermal field, were considered in the stress simulations. The residual stress fields of 20CrMnTi specimens with different carbon content of 0.8% and 1.0% were measured using an X-ray stress analyzer. Finite element model (FEM) was built for simulating the residual stress field after quenching. Meanwhile, the temperature and stress fields during quenching were simulated. The measured and simulated results are in good agreement.
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