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3D X-ray tomography characterization of creep cavities in small-punch tested 316 stainless steels
Wang, Li-Yi1,2; Song, Zhu-Man1; Luo, Xue-Mei1; Zhang, Guang-Ping1
Corresponding AuthorZhang, Guang-Ping(gpzhang@imr.ac.cn)
2018-05-02
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume724Pages:69-74
AbstractSmall-punch (SP) test has become an effective approach to evaluate creep properties of critical structural components in fusion and power plants for recent years. To explore the SP test technique, here we report quantitative analysis of creep cavities in the SP creep tested 316 stainless steel specimen at 600 degrees C and 500 N using a three dimensional X-ray tomography system. The results show that creep cavities nucleated preferentially at four kinds of places: high angle grain boundaries, intersection of twins and grain boundaries, triple junctions and intersections of first order and second order twins. The cavity morphology shows that both of the average size and the density of the cavities close to the fracture are the largest. The distribution of the local stress evaluated by the distribution of the cavities provides more details for an understanding of creep damage evolution in the 316 stainless steel at high temperature.
KeywordSmall punch creep test X-ray tomography Creep cavity Damage
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.msea.2018.03.048
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51771207] ; National Natural Science Foundation of China (NSFC)[51571199]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000432640000009
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:5[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/128317
Collection中国科学院金属研究所
Corresponding AuthorZhang, Guang-Ping
Affiliation1.Chinese Acad Sci, Inst Met Res, Shenyang Natl Lab Mat Sci, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Wang, Li-Yi,Song, Zhu-Man,Luo, Xue-Mei,et al. 3D X-ray tomography characterization of creep cavities in small-punch tested 316 stainless steels[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,724:69-74.
APA Wang, Li-Yi,Song, Zhu-Man,Luo, Xue-Mei,&Zhang, Guang-Ping.(2018).3D X-ray tomography characterization of creep cavities in small-punch tested 316 stainless steels.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,724,69-74.
MLA Wang, Li-Yi,et al."3D X-ray tomography characterization of creep cavities in small-punch tested 316 stainless steels".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 724(2018):69-74.
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