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Effect of Al, Ti and Ta contents on the microstructure in Ni-base single crystal superalloy during aging
Liu Lirong1,2; Jin Tao2; Sun Xiaofeng2; Guan Hengrong2; Hu Zhuangqi2
Corresponding AuthorLiu Lirong(lrliu866@sohu.com)
2008-07-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume37Issue:7Pages:1253-1256
AbstractThe influence of gamma' formation and strengthening elements (Al, Ti and Ta) on the microstructure during aging for a long term has been studied for a single crystal of nickel superalloy. The results show that the size of gamma' phase increases with the increasing of Al, Ti and Ta after heat treated under the same condition. The morphology of gamma' changes from spherical to cubic then to a irregular shape. During aging at 950 degrees C for a long time, the size of gamma' phase increases and the cubic degree decreases until 1000 h, the gamma' phase did not link and raft. The size of gamma' phase in-creases obviously and the cubic degree decreases. during aging at 1050 degrees C for 500 h: As a result, the gamma' phase rafts in the alloy B,C and D, and keeps the same shape for the alloy A and E. A TCP (mu) phase precipitates in alloy E both in the two aging conditions.
KeywordNi-base single crystal superalloy long term aging microstructure
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000258345500030
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:9[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/93798
Collection中国科学院金属研究所
Corresponding AuthorLiu Lirong
Affiliation1.Shenyang Univ Technol, Sch Mat Sci & Engn, Shenyang 110023, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Liu Lirong,Jin Tao,Sun Xiaofeng,et al. Effect of Al, Ti and Ta contents on the microstructure in Ni-base single crystal superalloy during aging[J]. RARE METAL MATERIALS AND ENGINEERING,2008,37(7):1253-1256.
APA Liu Lirong,Jin Tao,Sun Xiaofeng,Guan Hengrong,&Hu Zhuangqi.(2008).Effect of Al, Ti and Ta contents on the microstructure in Ni-base single crystal superalloy during aging.RARE METAL MATERIALS AND ENGINEERING,37(7),1253-1256.
MLA Liu Lirong,et al."Effect of Al, Ti and Ta contents on the microstructure in Ni-base single crystal superalloy during aging".RARE METAL MATERIALS AND ENGINEERING 37.7(2008):1253-1256.
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