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Abnormal increase of TCP phase during heat treatment in a Ni-based single crystal superalloy
Yin, Bin; Xie, Guang; Lou, Langhong; Zhang, Jian
2019-12-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume173Pages:1-4
AbstractGenerally, elevated solution heat treatment temperature decreases the residual dendritic segregation of refractory elements (i.e. Re and W) and suppresses the precipitation of deleterious topologically close-packed (TCP) phases in Ni-based superalloys. However, in the present study, elevated solution temperature resulted in an abnormal increase of TCP phases in a Ni-based single crystal superalloy after long-term thermal exposure at 900 degrees C. Microstructural analysis suggested that higher supersaturation in gamma phase which promoted the formation of TCP phases was induced by the increased gamma' precipitation after heat treated at elevated solution temperature. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordSingle crystal superalloy TCP phases Heat treatment Segregation Supersaturation
Indexed BySCI
Language英语
WOS IDWOS:000487175400001
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80604
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Yin, Bin,Xie, Guang,Lou, Langhong,et al. Abnormal increase of TCP phase during heat treatment in a Ni-based single crystal superalloy[J]. SCRIPTA MATERIALIA,2019,173:1-4.
APA Yin, Bin,Xie, Guang,Lou, Langhong,&Zhang, Jian.(2019).Abnormal increase of TCP phase during heat treatment in a Ni-based single crystal superalloy.SCRIPTA MATERIALIA,173,1-4.
MLA Yin, Bin,et al."Abnormal increase of TCP phase during heat treatment in a Ni-based single crystal superalloy".SCRIPTA MATERIALIA 173(2019):1-4.
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