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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, Hualong; Yang, Yaqian; Zheng, Shijian; Liu, Kui; Ma, Xiuliang
2020-11-01
Source PublicationMATERIALS CHARACTERIZATION
Volume169
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.
DOI10.1016/j.matchar.2020.110569
WOS IDWOS:000583648400002
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/155667
Collection中国科学院金属研究所
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.
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.
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).
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