Studies on distortions in a steel plate specimen carburised on a single side and oil-quenched Online publication date: Sat, 07-Nov-2015
by Kyozo Arimoto
International Journal of Microstructure and Materials Properties (IJMMP), Vol. 10, No. 3/4, 2015
Abstract: Efforts for reducing the quench distortions induced from case hardening processes have been repeated over many years. For solving the problem, the heat treatment simulation has been recently used as a tool. Its enhancement requires to improve models and to collect proper characteristic data by repeating comparisons with experiments. For example, tests by steel plate specimens carburised on a single side and oil quenched have been used to examine their distortion characteristics. In this study, their tests were newly simulated for comparing with the measured and past simulated results. The generation mechanism of plate distortions during the processes was explained to examine a discrepancy in the results. A theoretical calculation to study the plate bending in a furnace was added for clarifying expansion effects due to diffused carbon atoms. These studies revealed that the verification using the steel plate tests is useful to enhance models and material properties for simulating the case hardening.
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