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Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of γ″ and γ′ phases in IN718 alloy
Alternative TitleEffect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of γ″ and γ′ phases in IN718 alloy
Anwen Zhang1; Sha Zhang1; Fang Liu1; Feng Qi1; Xiaoyu Yao1; Yuanguo Tan1; Dan Jia1; Wenru Sun1
2019
Source PublicationJournal of Materials Science & Technology
ISSN1005-0302
Volume35Issue:7Pages:1485-1490
AbstractDisplay omitted
Other AbstractEffect of segregation behaviors of P at different cooling rates on the precipitation of γ" and γ' phases and the corresponding strength are investigated. The precipitation of γ" and γ' phases during cooling is sensitive to P concentration. With increasing the concentration of P, the amount of γ" and γ' particles increases after air cooling. With decreasing the cooling rate, the accelerating effect of P on the precipitation of γ" and γ' 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 γ" and γ' 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.
KeywordPhosphorus IN718 alloy Segregation behavior γ″ and γ′ phases
Indexed ByCSCD
Language英语
CSCD IDCSCD:6531454
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/151942
Collection中国科学院金属研究所
Affiliation1.中国科学院金属研究所
2.College of Materials Science and Engineering
3.
Recommended Citation
GB/T 7714
Anwen Zhang,Sha Zhang,Fang Liu,等. Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of γ″ and γ′ phases in IN718 alloy[J]. Journal of Materials Science & Technology,2019,35(7):1485-1490.
APA Anwen Zhang.,Sha Zhang.,Fang Liu.,Feng Qi.,Xiaoyu Yao.,...&Wenru Sun.(2019).Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of γ″ and γ′ phases in IN718 alloy.Journal of Materials Science & Technology,35(7),1485-1490.
MLA Anwen Zhang,et al."Effect of cooling rate on phosphorus segregation behavior and the corresponding precipitation of γ″ and γ′ phases in IN718 alloy".Journal of Materials Science & Technology 35.7(2019):1485-1490.
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