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Structure evolution of the Fe3C/Fe interface mediated by cementite decomposition in cold-deformed pearlitic steel wires
Zhou, Y. T.1; Shao, X. H.1; Zheng, S. J.1,2; Ma, X. L.1
Corresponding AuthorZhou, Y. T.(ytzhou@imr.ac.cn) ; Ma, X. L.(xlma@imr.ac.cn)
2022-02-28
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume101Pages:28-36
AbstractCold-drawn pearlitic steel wire is irreplaceably used in industry owing to its outstanding mechanical property which is dominated by the cementite/ferrite (Fe3C/Fe) interfaces in the material. However, the fine structures of the Fe3C/Fe interfaces in the deformed wires are less known to date. In this work, transmission electron microscopic investigation was performed on the atomic structures of the interfaces with the Isaichev orientation relationship (OR) in the wires with progressive deformation strains. In addition to the effect of the dislocation/interface interactions, this work revealed that the deformation-induced partial decomposition of cementite plays an important role in the interface reconstruction during deformation. The interfacial carbon vacancies generated by cementite decomposition and particularly, the amorphization of cementite layers in the sample with epsilon > 1 could effectively annihilated the interfacial dislocations and consequently relaxed the interfacial stress. The correlations between the interface structure changes and the mechanical properties of the wires were discussed. (C) 2022 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPearlitic steel Cementite decomposition Interface structure Deformation Transmission electron microscopy
Funding OrganizationNational Natural Science Foundation of China ; Fund of SYNL
DOI10.1016/j.jmst.2021.05.061
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51501195] ; Fund of SYNL
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000787582800003
PublisherJOURNAL MATER SCI TECHNOL
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Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/172564
Collection中国科学院金属研究所
Corresponding AuthorZhou, Y. T.; Ma, X. L.
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, Shenyang 110016, Peoples R China
2.Hebei Univ Technol, Sch Mat Sci & Engn, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Tianjin 300130, Peoples R China
Recommended Citation
GB/T 7714
Zhou, Y. T.,Shao, X. H.,Zheng, S. J.,et al. Structure evolution of the Fe3C/Fe interface mediated by cementite decomposition in cold-deformed pearlitic steel wires[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2022,101:28-36.
APA Zhou, Y. T.,Shao, X. H.,Zheng, S. J.,&Ma, X. L..(2022).Structure evolution of the Fe3C/Fe interface mediated by cementite decomposition in cold-deformed pearlitic steel wires.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,101,28-36.
MLA Zhou, Y. T.,et al."Structure evolution of the Fe3C/Fe interface mediated by cementite decomposition in cold-deformed pearlitic steel wires".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 101(2022):28-36.
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