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Effect of phosphorus segregation on as-cast microstructure and homogenization treatment of IN706 alloy
Zhang, Sha; Xin, Xin; Sun, Wen-ru; Sun, Xiao-feng; Yu, Lian-xu; Zhang, Yu-chen; Hu, Zhuang-qi; wrsun@imr.ac.cn
2015
Source PublicationTRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA
ISSN1003-6326
Volume25Issue:9Pages:2939-2947
AbstractThe distribution of phosphorus in IN706 alloy was studied, with particular emphasis on the as-cast microstructure and homogenization treatment. It is found that phosphorus is segregated in Laves phase and markedly influences the as-cast microstructure of IN706 alloy. Phosphorus retards the formation of Laves phase with the eutectic form, but promotes the Laves formation with the blocky form. Phosphorus refines the dendritic structure and noticeably enlarges the interdendritic area. The reason for phosphorus influencing the as-cast microstructure is attributed to its extremely low solubility in gamma matrix and great retarding effect on gamma matrix solidification. In addition, phosphorus slightly decreases the melting temperature of Laves phase, and retards the dissolution of Laves phase and the element diffusion between dendrite core and interdendritic area during the homogenization treatment. And it is thought that phosphorus delays the homogenization process by inhibiting the element diffusion.
description.department[zhang, sha ; xin, xin ; sun, wen-ru ; sun, xiao-feng ; yu, lian-xu ; hu, zhuang-qi] chinese acad sci, inst met res, shenyang 110016, peoples r china ; [zhang, yu-chen] avic shenyang liming aeroengine grp corp ltd, shenyang 110043, peoples r china
KeywordPhosphorus Segregation In706 Alloy Laves Phase
Indexed Bysci
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/74767
Collection中国科学院金属研究所
Corresponding Authorwrsun@imr.ac.cn
Recommended Citation
GB/T 7714
Zhang, Sha,Xin, Xin,Sun, Wen-ru,et al. Effect of phosphorus segregation on as-cast microstructure and homogenization treatment of IN706 alloy[J]. TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,2015,25(9):2939-2947.
APA Zhang, Sha.,Xin, Xin.,Sun, Wen-ru.,Sun, Xiao-feng.,Yu, Lian-xu.,...&wrsun@imr.ac.cn.(2015).Effect of phosphorus segregation on as-cast microstructure and homogenization treatment of IN706 alloy.TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA,25(9),2939-2947.
MLA Zhang, Sha,et al."Effect of phosphorus segregation on as-cast microstructure and homogenization treatment of IN706 alloy".TRANSACTIONS OF NONFERROUS METALS SOCIETY OF CHINA 25.9(2015):2939-2947.
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