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Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of gamma '' and gamma ' phases in IN718 alloy
Zhang, Anwen; Zhang, Sha; Liu, Fang; Qi, Feng; Yao, Xiaoyu; Tan, Yuanguo; Jia, Dan; Sun, Wenru
2019-07-01
Source PublicationJOURNAL OF MATERIALS SCIENCE & TECHNOLOGY
ISSN1005-0302
Volume35Issue:7Pages:1485-1490
AbstractEffect of segregation behaviors of P at different cooling rates on the precipitation of gamma '' and gamma' phases and the corresponding strength are investigated. The precipitation of gamma '' and gamma' phases during cooling is sensitive to P concentration. With increasing the concentration of P, the amount of gamma '' and gamma' particles increases after air cooling. With decreasing the cooling rate, the accelerating effect of P on the precipitation of gamma '' and gamma' phases decreased first and then increased, which demonstrates the concentration of P dissolved in the grain interior decreases first and then increases. The different effects of P on gamma '' and gamma' phases with different cooling rates were analyzed by the kinetic characteristic of nonequilibrium grain-boundary segregation. The characteristic of nonequilibrium grain-boundary segregation of P in superalloy is further confirmed, and the phenomenon caused by critical cooling rate is captured. (C) 2019 Published by Elsevier Ltd on behalf of The editorial office of Journal of Materials Science & Technology.
KeywordPhosphorus IN718 alloy Segregation behavior gamma '' and gamma ' phases
Indexed BySCI
Language英语
WOS IDWOS:000466369600033
PublisherJOURNAL MATER SCI TECHNOL
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/80969
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
Zhang, Anwen,Zhang, Sha,Liu, Fang,et al. Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of gamma '' and gamma ' phases in IN718 alloy[J]. JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,2019,35(7):1485-1490.
APA Zhang, Anwen.,Zhang, Sha.,Liu, Fang.,Qi, Feng.,Yao, Xiaoyu.,...&Sun, Wenru.(2019).Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of gamma '' and gamma ' phases in IN718 alloy.JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY,35(7),1485-1490.
MLA Zhang, Anwen,et al."Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of gamma '' and gamma ' phases in IN718 alloy".JOURNAL OF MATERIALS SCIENCE & TECHNOLOGY 35.7(2019):1485-1490.
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