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Modeling austenite-ferrite transformation in low carbon steel using the cellular automaton method
Lan, YJ; Li, DZ; Li, YY
通讯作者Lan, YJ(yjlan@imr.ac.cn)
2004-10-01
发表期刊JOURNAL OF MATERIALS RESEARCH
ISSN0884-2914
卷号19期号:10页码:2877-2886
摘要Austenite-ferrite transformation at different isothermal temperatures in low carbon steel was investigated by a two-dimensional cellular automaton approach, which provides a simple solution for the difficult moving boundary problem that governs the ferrite grain growth. In this paper, a classical model for ferrite nucleation at austenite grain boundaries is adopted, and the kinetics of ferrite grain growth is numerically resolved by coupling carbon diffusion process in austenite and austenite-ferrite (gamma-alpha) interface dynamics. The simulated morphology of ferrite grains shows that the gamma-alpha interface is stable. In this cellular automaton model, the gamma-alpha interface mobility and carbon diffusion rate at austenite grain boundaries are assumed to be higher than those in austenite grain interiors. This has influence on the morphology of ferrite grains. Finally, the modeled ferrite transformation kinetics at different isothermal temperatures is compared with the experiments in the literature and the grid size effects of simulated results are investigated by changing the cell length of cellular automaton model in a set of calculations.
DOI10.1557/JMR.2004.0397
收录类别SCI
语种英语
WOS研究方向Materials Science
WOS类目Materials Science, Multidisciplinary
WOS记录号WOS:000224213900014
出版者MATERIALS RESEARCH SOCIETY
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被引频次:6[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/118346
专题中国科学院金属研究所
通讯作者Lan, YJ
作者单位Chinese Acad Sci, Met Res Inst, Shenyang 110016, Peoples R China
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Lan, YJ,Li, DZ,Li, YY. Modeling austenite-ferrite transformation in low carbon steel using the cellular automaton method[J]. JOURNAL OF MATERIALS RESEARCH,2004,19(10):2877-2886.
APA Lan, YJ,Li, DZ,&Li, YY.(2004).Modeling austenite-ferrite transformation in low carbon steel using the cellular automaton method.JOURNAL OF MATERIALS RESEARCH,19(10),2877-2886.
MLA Lan, YJ,et al."Modeling austenite-ferrite transformation in low carbon steel using the cellular automaton method".JOURNAL OF MATERIALS RESEARCH 19.10(2004):2877-2886.
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