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Carbide precipitation behavior and mechanical properties of micro-alloyed medium Mn steel
Hao, Luhan1; Ji, Xiang1,2; Zhang, Guangqian1; Zhao, Wei1; Sun, Mingyue2; Peng, Yan1
Corresponding AuthorSun, Mingyue(mysun@imr.ac.cn) ; Peng, Yan(pengyan@ysu.edu.cn)
2020-06-15
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume47Pages:122-130
AbstractThe carbide precipitation behavior and mechanical properties of advanced high strength steel deformed at different temperatures are investigated by X-ray diffractometer (XRD), scanning electron microscope (SEM), transmission electron microscope (TEM) equipped with an energy dispersing spectroscopy (EDS), and tensile tests. The medium Mn steel was subjected to controlled deformation up to 70% at 750 degrees C, 850 degrees C, 950 degrees C, and 1050 degrees C, and then quenched with water to room temperature, followed by intercritical annealing at 630 degrees C for 10 min. In comparison with the undeformed and quenched specimen, it can be concluded that acicular cementite precipitates during the quenching and cooling process, while granular NbC is the deformation induced precipitate and grows during the following annealing process. As the deformation temperature increases from 750 degrees C to 1050 degrees C, the product of strength and elongation increases at first and then decreases. The smallest average size of second phase particles (20 nm) and the best mechanical properties (32.5 GPa.%) can be obtained at the deformation temperature of 950 degrees C. (C) 2020 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordAdvanced high strength steel Medium Mn steel Thermal deformation Intercritical annealing The product of strength and elongation
Funding OrganizationNational Key Research and Development Program ; National Natural Science Foundation of China ; National Science and Technology Major Project of China ; Key Program of the Chinese Academy of Sciences ; KeyProgram of Natural Science Foundation of Hebei Province of China ; CAS Interdisciplinary Innovation Team
DOI10.1016/j.jmst.2019.12.024
Indexed BySCI
Language英语
Funding ProjectNational Key Research and Development Program[2018YFA0702900] ; National Natural Science Foundation of China[U1508215] ; National Natural Science Foundation of China[51774265] ; National Science and Technology Major Project of China[2019ZX06004010] ; Key Program of the Chinese Academy of Sciences[ZDRW-CN-2017-1] ; KeyProgram of Natural Science Foundation of Hebei Province of China[E2017203161] ; CAS Interdisciplinary Innovation Team
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000526956900013
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/138475
Collection中国科学院金属研究所
Corresponding AuthorSun, Mingyue; Peng, Yan
Affiliation1.Yanshan Univ, Natl Engn Res Ctr Equipment & Technol Cold Strip, Qinhuangdao 066004, Hebei, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Hao, Luhan,Ji, Xiang,Zhang, Guangqian,et al. Carbide precipitation behavior and mechanical properties of micro-alloyed medium Mn steel[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2020,47:122-130.
APA Hao, Luhan,Ji, Xiang,Zhang, Guangqian,Zhao, Wei,Sun, Mingyue,&Peng, Yan.(2020).Carbide precipitation behavior and mechanical properties of micro-alloyed medium Mn steel.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,47,122-130.
MLA Hao, Luhan,et al."Carbide precipitation behavior and mechanical properties of micro-alloyed medium Mn steel".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 47(2020):122-130.
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