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Dynamic Transformation Mechanism for Producing Ultrafine Grained Steels
Zhao, Lijia1,2; Park, Nokeun1,3; Tian, Yanzhong1,4,5; Shibata, Akinobu1,5; Tsuji, Nobuhiro1,5
Corresponding AuthorZhao, Lijia(zhaolj618@gmail.com)
2018-07-01
Source PublicationADVANCED ENGINEERING MATERIALS
ISSN1438-1656
Volume20Issue:7Pages:25
AbstractUltrafine grained (UFG) steels with grain sizes around 1 micron exhibit an excellent strength-ductility combination and have been extensively studied worldwide. Among the different grain refinement strategies, thermomechanical controlled processing (TMCP) employing dynamic transformation (DT), that is, ferrite transformation during deformation of austenite, is considered as the simplest and commercially exploitable approach to produce ultrafine ferrite (UFF) with grain size of a couple of microns or below. The present paper reviews the research history of DT and highlights the major aspects of continuous interest including the methods and evidences for identifying DT, thermodynamics and kinetics of DT, mechanism for UFF formation and the effects of some key thermomechanical parameters on DT (and UFF formation), together with an outlook for the future research, and new TMCP design for industrial application. This paper also discusses some areas remaining under debate such as the diffusional or displacive mechanism, thermodynamic modeling, and the mechanism for UFF formation, etc.
KeywordDynamic Recrystallization Dynamic Transformation Ferrite Grain Refinement Thermomechanical Controlled Processing Ultrafine Grained Steel
Funding OrganizationElements Strategy Initiative for Structural Materials (ESISM) through Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
DOI10.1002/adem.201701016
Indexed BySCI
Language英语
Funding ProjectElements Strategy Initiative for Structural Materials (ESISM) through Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan[15H05767] ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan[26630365]
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000439735800009
PublisherWILEY-V C H VERLAG GMBH
Citation statistics
Cited Times:14[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129023
Collection中国科学院金属研究所
Corresponding AuthorZhao, Lijia
Affiliation1.Kyoto Univ, Dept Mat Sci & Engn, Sakyo Ku, Kyoto 6068501, Japan
2.Colorado Sch Mines, Dept Met & Mat Engn, Adv Steel Proc & Prod Res Ctr, Golden, CO 80401 USA
3.Yeungnam Univ, Sch Mat Sci & Engn, Gyongsan 712749, South Korea
4.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
5.Kyoto Univ, ESISM, Sakyo Ku, Kyoto 6068501, Japan
Recommended Citation
GB/T 7714
Zhao, Lijia,Park, Nokeun,Tian, Yanzhong,et al. Dynamic Transformation Mechanism for Producing Ultrafine Grained Steels[J]. ADVANCED ENGINEERING MATERIALS,2018,20(7):25.
APA Zhao, Lijia,Park, Nokeun,Tian, Yanzhong,Shibata, Akinobu,&Tsuji, Nobuhiro.(2018).Dynamic Transformation Mechanism for Producing Ultrafine Grained Steels.ADVANCED ENGINEERING MATERIALS,20(7),25.
MLA Zhao, Lijia,et al."Dynamic Transformation Mechanism for Producing Ultrafine Grained Steels".ADVANCED ENGINEERING MATERIALS 20.7(2018):25.
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