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Micro-scale Cellular Automaton Modeling of Interface Evolution During Reaustenitization from Pearlite Structure in Steels
Shen, Gang1; Zheng, Cheng-Wu2; Gu, Jian-Feng1,3,4; Li, Dian-Zhong2
Corresponding AuthorZheng, Cheng-Wu(cwzheng@imr.ac.cn) ; Gu, Jian-Feng(gujf@sjtu.edu.cn)
2018-07-01
Source PublicationACTA METALLURGICA SINICA-ENGLISH LETTERS
ISSN1006-7191
Volume31Issue:7Pages:713-722
AbstractA modified cellular automaton model is developed to depict the interface evolution inside the cementite plus ferrite lamellar microstructures during the reaustenitization of a pearlite steel. In this model, migrations of both the austenite-ferrite and austenite-cementite interfaces coupled with the carbon diffusion and redistribution are integrated. The capillarity effect derived from local interface curvatures is also carefully considered by involving the concentration given by the phase diagram modified by the Gibbs-Thomson effect. This allows the interface evolution from a transient state to a steady state under different annealing conditions and various interlamellar spacings to be simulated. The proposed cellular automaton approach could be readily used to describe the kinetics of austenite formation from the lamellar pearlites and virtually reveal the kinematics of the moving interfaces from the microstructural aspect.
KeywordAustenite formation Lamellar pearlite Interface evolution Cellular automaton Microstructural modeling
Funding OrganizationNational Natural Science Foundation of China
DOI10.1007/s40195-018-0706-8
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51371169] ; National Natural Science Foundation of China[51401214]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000433167400006
PublisherCHINESE ACAD SCIENCES, INST METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128296
Collection中国科学院金属研究所
Corresponding AuthorZheng, Cheng-Wu; Gu, Jian-Feng
Affiliation1.Shanghai Jiao Tong Univ, Inst Mat Modificat & Modelling, Sch Mat Sci & Engn, Shanghai 200240, Peoples R China
2.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
3.Shanghai Jiao Tong Univ, Mat Genome Initiat Ctr, Shanghai 200240, Peoples R China
4.Shanghai Jiao Tong Univ, Shanghai Key Lab Mat Laser Proc & Modificat, Shanghai 200240, Peoples R China
Recommended Citation
GB/T 7714
Shen, Gang,Zheng, Cheng-Wu,Gu, Jian-Feng,et al. Micro-scale Cellular Automaton Modeling of Interface Evolution During Reaustenitization from Pearlite Structure in Steels[J]. ACTA METALLURGICA SINICA-ENGLISH LETTERS,2018,31(7):713-722.
APA Shen, Gang,Zheng, Cheng-Wu,Gu, Jian-Feng,&Li, Dian-Zhong.(2018).Micro-scale Cellular Automaton Modeling of Interface Evolution During Reaustenitization from Pearlite Structure in Steels.ACTA METALLURGICA SINICA-ENGLISH LETTERS,31(7),713-722.
MLA Shen, Gang,et al."Micro-scale Cellular Automaton Modeling of Interface Evolution During Reaustenitization from Pearlite Structure in Steels".ACTA METALLURGICA SINICA-ENGLISH LETTERS 31.7(2018):713-722.
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