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Creep induced precipitation of the (Cr,Mo)(5)B-3-type boride in gamma/gamma ' eutectic of a Ni-based superalloy
Ge, Hualong1,2; Yang, Yaqian3; Zheng, Shijian1,4; Liu, Kui3; Ma, Xiuliang1
Corresponding AuthorZheng, Shijian(sjzheng@hebut.edu.cn)
2020-11-01
Source PublicationMATERIALS CHARACTERIZATION
ISSN1044-5803
Volume169Pages:6
AbstractBoron segregation and boride formation at grain boundaries are generally accepted in Ni-based superalloys. However, the addition of boron was found to result in the formation of a high density of nanosized M5B3 (where M is a mixture of Cr, Mo) particles in gamma/gamma ' eutectics of a Ni-based superalloy during high-temperature creep in this work. M5B3 phase precipitated at gamma/gamma ' eutectics keeps a well-defined orientation relationship with the eutectics, which is [001](gamma/gamma ')//[001](M5B3), (020)(gamma/gamma ')//(130)(M5B3). And these nanosized borides could block dislocation slip, result in stress concentration surrounding gamma/gamma ' eutectics and facilitate crack initiation at gamma/gamma ' eutectic/matrix interface during the creep at high temperatures.
KeywordNi-based superalloy Transmission electron microscopy Boride Eutectic
Funding OrganizationNational Natural Science Foundation of China ; Joint Research Fund Liaoning-Shenyang National Laboratory for Materials Science
DOI10.1016/j.matchar.2020.110569
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51771201] ; Joint Research Fund Liaoning-Shenyang National Laboratory for Materials Science[20180510059]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering ; Materials Science, Characterization & Testing
WOS IDWOS:000583648400002
PublisherELSEVIER SCIENCE INC
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/141185
Collection中国科学院金属研究所
Corresponding AuthorZheng, Shijian
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang 110016, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Peoples R China
3.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
4.Hebei Univ Technol, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
Recommended Citation
GB/T 7714
Ge, Hualong,Yang, Yaqian,Zheng, Shijian,et al. Creep induced precipitation of the (Cr,Mo)(5)B-3-type boride in gamma/gamma ' eutectic of a Ni-based superalloy[J]. MATERIALS CHARACTERIZATION,2020,169:6.
APA Ge, Hualong,Yang, Yaqian,Zheng, Shijian,Liu, Kui,&Ma, Xiuliang.(2020).Creep induced precipitation of the (Cr,Mo)(5)B-3-type boride in gamma/gamma ' eutectic of a Ni-based superalloy.MATERIALS CHARACTERIZATION,169,6.
MLA Ge, Hualong,et al."Creep induced precipitation of the (Cr,Mo)(5)B-3-type boride in gamma/gamma ' eutectic of a Ni-based superalloy".MATERIALS CHARACTERIZATION 169(2020):6.
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