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Deformation-assisted diffusion for the enhanced kinetics of dynamic phase transformation
Zhao, Lijia1,2; Park, Nokeun1,3; Tian, Yanzhong1,4,5; Shibata, Akinobu1,4; Tsuji, Nobuhiro1,4
Corresponding AuthorZhao, Lijia(zhaolj618@gmail.com)
2018
Source PublicationMATERIALS RESEARCH LETTERS
ISSN2166-3831
Volume6Issue:11Pages:641-647
AbstractComparison on the kinetics of two different phase transformations, including phase transformation after deformation and phase transformation during deformation (i.e. dynamic transformation, DT), reveals a new discovery that the transformation kinetics can be significantly enhanced in DT even under low driving forces. DT enables continuous generation of defects (e.g. dislocations) near the phase boundary, which can act as short-circuiting diffusion paths for atoms. The diffusivity of atoms is enhanced and the activation energy for the atom jump across the phase boundary is lowered under stress during DT, resulting in more pronounced grain growth as well as accelerated transformation kinetics. [GRAPHICS] Impact StatementDeformation-enhanced grain growth is revealed in dynamic phase transformation, which will promote microstructure and property design of structural materials where phase transformations occur.
KeywordDynamic phase transformation deformation diffusion kinetics grain growth
Funding OrganizationElements Strategy Initiative for Structural Materials (ESISM) ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
DOI10.1080/21663831.2018.1527787
Indexed BySCI
Language英语
Funding ProjectElements Strategy Initiative for Structural Materials (ESISM)[15H05767] ; Ministry of Education, Culture, Sports, Science and Technology (MEXT), Japan
WOS Research AreaMaterials Science
WOS SubjectMaterials Science, Multidisciplinary
WOS IDWOS:000463807100005
PublisherTAYLOR & FRANCIS INC
Citation statistics
Cited Times:10[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/132866
Collection中国科学院金属研究所
Corresponding AuthorZhao, Lijia
Affiliation1.Kyoto Univ, Dept Mat Sci & Engn, Kyoto, Japan
2.Colorado Sch Mines, Advancecl Steel Proc & Prod Res Ctr, Dept Met & Mat Engn, Golden, CO 80401 USA
3.Yeungnam Univ, Sch Mat Sci & Engn, Gyongsan, South Korea
4.Kyoto Univ, Elements Strategy Initiat Struct Mat, Kyoto, Japan
5.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Zhao, Lijia,Park, Nokeun,Tian, Yanzhong,et al. Deformation-assisted diffusion for the enhanced kinetics of dynamic phase transformation[J]. MATERIALS RESEARCH LETTERS,2018,6(11):641-647.
APA Zhao, Lijia,Park, Nokeun,Tian, Yanzhong,Shibata, Akinobu,&Tsuji, Nobuhiro.(2018).Deformation-assisted diffusion for the enhanced kinetics of dynamic phase transformation.MATERIALS RESEARCH LETTERS,6(11),641-647.
MLA Zhao, Lijia,et al."Deformation-assisted diffusion for the enhanced kinetics of dynamic phase transformation".MATERIALS RESEARCH LETTERS 6.11(2018):641-647.
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