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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
通讯作者Ma, X. L.(xlma@imr.ac.cn)
2016
发表期刊PHILOSOPHICAL MAGAZINE LETTERS
ISSN0950-0839
卷号96期号:7页码:273-279
摘要Microstructural 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.
关键词Nickel-based superalloys transmission electron microscopy M5B3-type boride interfacial precipitation
资助者National Natural Foundation of China ; National Basic Research Programme of China
DOI10.1080/09500839.2016.1200756
收录类别SCI
语种英语
资助项目National Natural Foundation of China[11327901] ; National Basic Research Programme of China[2010CB631206]
WOS研究方向Physics
WOS类目Physics, Condensed Matter
WOS记录号WOS:000380765100004
出版者TAYLOR & FRANCIS LTD
引用统计
被引频次:19[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.imr.ac.cn/handle/321006/122754
专题中国科学院金属研究所
通讯作者Ma, X. L.
作者单位1.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
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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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