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Tensile creep behavior of directionally solidified NiAl-28Cr-5.8Mo-0.2Hf alloy
Cui, CY; Guo, JT; Qi, YH; Ye, HQ
Corresponding AuthorGuo, JT(jtguo@imr.ac.cn)
2002-04-01
Source PublicationACTA METALLURGICA SINICA
ISSN0412-1961
Volume38Issue:4Pages:342-346
AbstractThe microstructure and tensile creep behaviors of NiAl-28Cr-5.8Mo-0.2Hf alloy were studied at 982-1100 degreesC under the applied stress of 50 124 MPa. The alloy is composed of NiAl phase, Cr(Mo) phase and Hf-rich phase. The obtained creep curves have similar shape: a short primary creep and long accelerated creep stages. The post-creep microstructure is almost the same as the original microstructure. The dominant creep deformation mechanism is controlled by the climb of dislocations. The increase of creep rate at beginning of the accelerated creep stage is related to the nucleation and propagation of creep cracks.
KeywordNiAl alloy tensile creep creep deformation mechanism
Indexed BySCI
Language英语
WOS Research AreaMetallurgy & Metallurgical Engineering
WOS SubjectMetallurgy & Metallurgical Engineering
WOS IDWOS:000175642200002
PublisherSCIENCE CHINA PRESS
Citation statistics
Cited Times:3[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/115785
Collection中国科学院金属研究所
Corresponding AuthorGuo, JT
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Cui, CY,Guo, JT,Qi, YH,et al. Tensile creep behavior of directionally solidified NiAl-28Cr-5.8Mo-0.2Hf alloy[J]. ACTA METALLURGICA SINICA,2002,38(4):342-346.
APA Cui, CY,Guo, JT,Qi, YH,&Ye, HQ.(2002).Tensile creep behavior of directionally solidified NiAl-28Cr-5.8Mo-0.2Hf alloy.ACTA METALLURGICA SINICA,38(4),342-346.
MLA Cui, CY,et al."Tensile creep behavior of directionally solidified NiAl-28Cr-5.8Mo-0.2Hf alloy".ACTA METALLURGICA SINICA 38.4(2002):342-346.
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