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Effects of solution treatment on microstructure and tensile properties of as-cast alloy 625
Yang, Fei1,2; Hou, Jie-shan1; Wang, Chang-shuai1; Zhou, Lan-zhang1
Corresponding AuthorHou, Jie-shan(jshou@imr.ac.cn) ; Zhou, Lan-zhang(lzz@imr.ac.cn)
2021-02-01
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume31Issue:1Pages:426-437
AbstractEffects of solution treatment between 1050 and 1250 degrees C on microstructure and tensile properties of as-cast alloy 625 were investigated. The microstructure and solidification characteristics of the alloy were studied by SEM, EDS, EPMA and DTA. The results showed that the solidification sequence of the alloy should be written as L -> L+gamma -> L+gamma+MC -> L+gamma+MC+gamma/Laves ->gamma+MC+gamma/Laves. After solution treatment at 1225 and 1250 degrees C, incipient melting of Laves phase was observed. The ultimate tensile strength decreased monotonically with the increase of solution treatment temperature, and the yield strength had no significant variation. The elongation increased slightly at first and then reached a minimum value at 1250 degrees C. The fracture mechanism changed from transgranular mode to intergranular mode after solution at 1250 degrees C for the reason that numerous Laves phases melted at grain boundaries and microcracks nucleated in the molten pool. The suitable solution treatment temperature of this alloy was 1200 degrees C.
Keywordas-cast alloy 625 solution treatment microstructure tensile properties gamma/Laves eutectic
Funding OrganizationNational Natural Science Foundation of China
DOI10.1016/S1003-6326(21)65507-3
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51571191]
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000617542200010
PublisherELSEVIER
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/160793
Collection中国科学院金属研究所
Corresponding AuthorHou, Jie-shan; Zhou, Lan-zhang
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
Recommended Citation
GB/T 7714
Yang, Fei,Hou, Jie-shan,Wang, Chang-shuai,et al. Effects of solution treatment on microstructure and tensile properties of as-cast alloy 625[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2021,31(1):426-437.
APA Yang, Fei,Hou, Jie-shan,Wang, Chang-shuai,&Zhou, Lan-zhang.(2021).Effects of solution treatment on microstructure and tensile properties of as-cast alloy 625.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,31(1),426-437.
MLA Yang, Fei,et al."Effects of solution treatment on microstructure and tensile properties of as-cast alloy 625".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 31.1(2021):426-437.
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