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Interfacial precipitation of the M5B3-type boride in Ni-based superalloys
Hu, X. B.1,3; Zhou, L. Z.2; Hou, J. S.2; Qin, X. Z.2; Ma, X. L.1
Corresponding AuthorMa, X. L.(xlma@imr.ac.cn)
2016
Source PublicationPHILOSOPHICAL MAGAZINE LETTERS
ISSN0950-0839
Volume96Issue:7Pages:273-279
AbstractMicrostructural characteristics of an experimental Ni-based superalloy with boron addition subjected to a long-term ageing treatment were systematically investigated by various kinds of transmission electron microscopy technique. Based on detailed electron diffraction analyses, we found that there are many nanosized M5B3 precipitates in our long-term ageing alloys, which keeps a good orientation relationship with the gamma/gamma' matrix. Furthermore, the precipitation characteristics of M5B3 phase were clarified. It is found that the M5B3-type boride prefers to precipitate at the gamma/gamma' interfaces and low-angle grain boundaries. These interfacial nanosized precipitates can play the role of pinning effect and are expected to be advantageous for postponing the gamma' rafting and low-angle grain boundary migration to some extent at high temperature.
KeywordNickel-based superalloys transmission electron microscopy M5B3-type boride interfacial precipitation
Funding OrganizationNational Natural Foundation of China ; National Basic Research Programme of China
DOI10.1080/09500839.2016.1200756
Indexed BySCI
Language英语
Funding ProjectNational Natural Foundation of China[11327901] ; National Basic Research Programme of China[2010CB631206]
WOS Research AreaPhysics
WOS SubjectPhysics, Condensed Matter
WOS IDWOS:000380765100004
PublisherTAYLOR & FRANCIS LTD
Citation statistics
Cited Times:11[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/122755
Collection中国科学院金属研究所
Corresponding AuthorMa, X. L.
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, Shenyang, Peoples R China
2.Chinese Acad Sci, Superalloys Div, Inst Met Res, Shenyang, Peoples R China
3.Japan Fine Ceram Ctr, Nanostruct Res Lab, Nagoya, Aichi 4568587, Japan
Recommended Citation
GB/T 7714
Hu, X. B.,Zhou, L. Z.,Hou, J. S.,et al. Interfacial precipitation of the M5B3-type boride in Ni-based superalloys[J]. PHILOSOPHICAL MAGAZINE LETTERS,2016,96(7):273-279.
APA Hu, X. B.,Zhou, L. Z.,Hou, J. S.,Qin, X. Z.,&Ma, X. L..(2016).Interfacial precipitation of the M5B3-type boride in Ni-based superalloys.PHILOSOPHICAL MAGAZINE LETTERS,96(7),273-279.
MLA Hu, X. B.,et al."Interfacial precipitation of the M5B3-type boride in Ni-based superalloys".PHILOSOPHICAL MAGAZINE LETTERS 96.7(2016):273-279.
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