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Modeling of Austenite Decomposition in Low Si-Mn TRIP Steel During Cooling 被引量：3

Modeling of Austenite Decomposition in Low Si-Mn TRIP Steel During Cooling
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摘要 Transformation behavior in low carbon Si Mn TRIP steel was investigated by means of microstructural ob servation and computer modelling. A transformation model in which transformation is controlled by carbon diffusion was suggested, which well described the volume fractional change of ferrite, pearlite, and bainite during continuous cooling. The influence of Si content and austenite grain size was thoroughly investigated. The calculated results indicated that Si retards pearlite transformation, accelerates polygonal ferrite transformation, refines the austenite grain, and increases the ferrite transformation rate. Transformation behavior in low carbon Si Mn TRIP steel was investigated by means of microstructural ob servation and computer modelling. A transformation model in which transformation is controlled by carbon diffusion was suggested, which well described the volume fractional change of ferrite, pearlite, and bainite during continuous cooling. The influence of Si content and austenite grain size was thoroughly investigated. The calculated results indicated that Si retards pearlite transformation, accelerates polygonal ferrite transformation, refines the austenite grain, and increases the ferrite transformation rate.
作者 ZHU Li-juan WU Di ZHAO Xian-ming
机构地区 College of Materials Science and Engineering The State Key Laboratory of Rolling Technology and Automation
出处 《Journal of Iron and Steel Research International》 SCIE EI CAS CSCD 2008年第6期68-71,共4页
基金 Item Sponsored by National Natural Science Foundation of China(50334010)
关键词 TRIP steel transformation incubation time FERRITE BAINITE PEARLITE TRIP steel transformation incubation time ferrite bainite pearlite
分类号 TF7 [冶金工程—钢铁冶金]
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参考文献9

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二级引证文献8

Journal of Iron and Steel Research International
2008年 第6期

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