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Modeling austenite decomposition into ferrite at different cooling rate in low-carbon steel with cellular automaton method
Lan, YJ; Li, DZ; Li, YY
Corresponding AuthorLan, YJ(lanyongjun@sohu.com)
2004-04-05
Source PublicationACTA MATERIALIA
ISSN1359-6454
Volume52Issue:6Pages:1721-1729
AbstractThe 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.
Keywordferrite transformation interface mobility carbon diffusion cellular automation low-carbon steel
DOI10.1016/j.actamat.2003.12.045
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000220618500033
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/82033
Corresponding AuthorLan, YJ
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
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.
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