Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method

doi:10.1016/j.actamat.2003.12.045

IMR OpenIR

	Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method
	Lan, YJ; Li, DZ; Li, YY
通讯作者	Lan, YJ(lanyongjun@sohu.com)
	2004-04-05
发表期刊	ACTA MATERIALIA
ISSN	1359-6454
卷号	52 期号:6 页码:1721-1729
摘要	The austenite decomposition into ferrite during continuous cooling in low-carbon steel has been investigated with a two-dimensional cellular automaton (CA) approach. In this model, the growth of ferrite grain is controlled by both carbon diffusion and gamma-alpha interface dynamics. In order to predict the growth kinetics of ferrite grain, the Coupled carbon diffusion behavior in untransformed austenite and interface dynamics are numerically resolved. The simulation provides an insight into the carbon diffusion process in retained austenite and microstructure evolution during the transformation. The predicted ferrite growth kinetics and average grain size at different cooling rates are compared with experimental results in the literature and the simulated results show that the final grain size and newly formed ferrite fraction vary with cooling rate. The interface is stable in the Studied cooling rate range (LIP to 58 degreesC s(-1)) in this work, so the simulated morphology of ferrite grain is almost equiaxed, which is not influenced by the anisotropy of the hexagonal mesh in this CA model. (C) 2004 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
关键词	ferrite transformation interface mobility carbon diffusion cellular automation low-carbon steel
DOI	10.1016/j.actamat.2003.12.045
收录类别	SCI
语种	英语
WOS研究方向	Materials Science ; Metallurgy & Metallurgical Engineering
WOS类目	Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS记录号	WOS:000220618500033
出版者	PERGAMON-ELSEVIER SCIENCE LTD
引用统计
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/82033
通讯作者	Lan, YJ
作者单位	Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
推荐引用方式 GB/T 7714	Lan, YJ,Li, DZ,Li, YY. Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method[J]. ACTA MATERIALIA,2004,52(6):1721-1729.
APA	Lan, YJ,Li, DZ,&Li, YY.(2004).Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method.ACTA MATERIALIA,52(6),1721-1729.
MLA	Lan, YJ,et al."Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method".ACTA MATERIALIA 52.6(2004):1721-1729.