CALCULATION OF COUPLED PROBLEM BETWEEN TEMPERATURE AND PHASE TRANSFORMATION DURING GAS QUENCHING IN HIGH PRESSURE

The gas quenching is a modern, effective processing technology. On the basis of nonlinear surface heat-transfer coefficient obtained by Cheng during the gas quenching, the coupled problem between temperature and phase transformation during gas quenching in high pressure was simulated by means of fin...

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Bibliographic Details
Published in:Applied mathematics and mechanics 2006-03, Vol.27 (3), p.305-311
Main Author: 程赫明 王洪纲 谢建斌
Format: Article
Language:English
Subjects:
Approximation
Computer simulation
Gas quenching
Mathematical analysis
Mathematical models
Oscillations
Phase transformations
Physical properties
相位转换
耦合问题
表面热传递
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Summary:The gas quenching is a modern, effective processing technology. On the basis of nonlinear surface heat-transfer coefficient obtained by Cheng during the gas quenching, the coupled problem between temperature and phase transformation during gas quenching in high pressure was simulated by means of finite element method. In the numerical calculation, the thermal physical properties were treated as the functions of temperature and the volume fraction of phase constituents. In order to avoid effectual ＂oscillation＂ of the numerical solutions under smaller time step, the Norsette rational approximate method was used.
ISSN:0253-4827
1573-2754
DOI:10.1007/s10483-006-0304-y