中国科学院机构知识库网格
Chinese Academy of Sciences Institutional Repositories Grid
The martensitic transition pathway in steel

文献类型:期刊论文

作者Liu, Tianwei2,3; Liang, Lunwei2,3; Raabe, Dierk1; Dai, Lanhong2,3; Dai LH(戴兰宏); Liu TW(刘天威)
刊名JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
出版日期2023-01-20
卷号134页码:244-253
ISSN号1005-0302
关键词BCT twin Martensitic transformation Steels TEM Phase transformation
DOI10.1016/j.jmst.2022.06.023
通讯作者Raabe, Dierk(d.raabe@mpie.de) ; Dai, Lanhong(lhdai@lnm.imech.ac.cn)
英文摘要The martensitic transformation (MT) lays the foundation for microstructure and performance tailoring of many engineering materials, especially steels, which are with > 1.8 billion tons produced per year the most important material class. The atomic-scale migration path is a long-term challenge for MT during quenching in high-carbon (nitrogen) steels. Here, we provide direct evidence of (1(1) over bar 2) body-centred tetragonal (BCT) twinned martensite in carbon steels by transmission electron microscopy (TEM) investigation, and the increase in tetragonality with the C content matches X-ray diffraction (XRD) results. The specific {1(1) over bar 2}(BCT) twin planes which are related to the elongated c axis provide essential structural details to revisit the migration path of the atoms in MT. Therefore, the face-centred cubic (FCC) to BCT twin to body-centred cubic (BCC) twin transition pathway and its underlying mechanisms are revealed through direct experimental observation and atomistic simulations. Our findings shed new light on the nature of the martensitic transition, thus providing new opportunities for the nanostructural control of metals and alloys. (c) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
WOS关键词ELECTRON-DIFFRACTION ; LATH MARTENSITE ; TRANSFORMATION ; MECHANISM ; IRON ; LATTICE ; NUCLEATION ; STRATEGIES ; AUSTENITE ; GAMMA
资助项目NSFC[51931005] ; NSFC[51901235] ; NSFC[11790292] ; NSFC Basic Science Center Program for Multi-scale Problems in Nonlinear Mechanics[11988102] ; Key Research Program of Frontier Sciences[QYZDJSSW-JSC011] ; Strategic Priority Research Program of the Chinese Academy of Sciences[XDB22040302] ; CityU grant[9360161]
WOS研究方向Materials Science ; Metallurgy & Metallurgical Engineering
语种英语
WOS记录号WOS:000841304700004
资助机构NSFC ; NSFC Basic Science Center Program for Multi-scale Problems in Nonlinear Mechanics ; Key Research Program of Frontier Sciences ; Strategic Priority Research Program of the Chinese Academy of Sciences ; CityU grant
源URL[http://dspace.imech.ac.cn/handle/311007/89892]  
专题力学研究所_非线性力学国家重点实验室
通讯作者Raabe, Dierk; Dai, Lanhong
作者单位1.Max Planck Inst Eisenforsch GmbH, Dusseldorf, Germany
2.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 101408, Peoples R China
3.Chinese Acad Sci, Inst Mech, State Key Lab Nonlinear Mech, Beijing 100190, Peoples R China
推荐引用方式
GB/T 7714
Liu, Tianwei,Liang, Lunwei,Raabe, Dierk,et al. The martensitic transition pathway in steel[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2023,134:244-253.
APA Liu, Tianwei,Liang, Lunwei,Raabe, Dierk,Dai, Lanhong,戴兰宏,&刘天威.(2023).The martensitic transition pathway in steel.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,134,244-253.
MLA Liu, Tianwei,et al."The martensitic transition pathway in steel".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 134(2023):244-253.

入库方式: OAI收割

来源:力学研究所

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