Computer Simulation of Ferrite Transformation during Hot Working of Low Carbon Steel

材料科学技术（英文）, 2004, 20(5): 497-500.

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1.State Key Laboratory of Rolling and Automation, Northeastern University, P.O. Box 105, Shenyang 110004, China

2.State Key Laboratory of Rolling and Automation, Northeastern University, P.O. Box 105, Shenyang 110004, China

3.State Key Laboratory of Rolling and Automation, Northeastern University, P.O. Box 105, Shenyang 110004, China

4.State Key Laboratory of Rolling and Automation, Northeastern University, P.O. Box 105, Shenyang 110004, China

基金项目: 国家高技术研究发展计划(863计划)(2001AA339030) 国家自然科学基金(50100404)

Computer Simulation of Ferrite Transformation during Hot Working of Low Carbon Steel

Keywords： Computer simulation

On the basis of transformation kinetics and thermodynamics, the austenite-ferrite transformation start temperature during deformation was predicted for several grades of low-carbon steels under different processing conditions. Results indicate that Ar3d temperature mostly depended on alloying composition and processing parameters. Ar3d increased as strain rate or strain increased for the same steel grade. In view of enhancement of deformation on transformation,the basic kinetics model was established to simulate deformation induced transformation behavior, using which the influence of the deformation stored energy and effective deformation ledge on the nucleation and growth can be considered. The simulated results are in good agreement with experiment results.

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Computer Simulation of Ferrite Transformation during Hot Working of Low Carbon Steel

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