Modeling Quenching to Predict Residual Stress and Microstructure Distribution

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Abstract
A mathematical model was developed for calculating the temperature, stress-strain field, and their interaction in a metallic material undergoing phase transformation during quenching processes. The model considers the fully coupled thermomechanical field equations, with coupling through the dilatational work, the plastic work, and the heat release during phase transformation in the energy equation. Computations were performed for a hollow steel cylinder. Several test problems were evaluated to make certain that the computer model worked properly. Final results demonstrate qualitative agreement with experiments. They also reveal detailed descriptions of material response.

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