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Influence of Phosphorus Addition on the Stress Rupture Properties of Direct Aged IN706 Superalloy
Zhang, Sha1; Zhang, Anwen2; Xue, Chaochao2; Jia, Dan2; Zhang, Weiwei2; Wang, Weiyang3; Xin, Xin2; Sun, Wenru2
Corresponding AuthorZhang, Sha(szhang10b@alum.imr.ac.cn)
2020-08-01
Source PublicationCRYSTALS
ISSN2073-4352
Volume10Issue:8Pages:9
AbstractThis study investigated the influence of phosphorus (P) addition on the stress rupture properties of direct aged IN706 superalloy. The results showed that P slightly improved the stress rupture life of the superalloy when added in the range between 0.002% and 0.008%; however, it significantly reduced the stress rupture life when added in the range between 0.013% and 0.017%. Microstructure characterization indicated that the precipitation of gamma ', gamma '', and eta phases was not significantly affected by the addition of P. Phosphides precipitated in the alloy containing 0.017% P after aging at 980 degrees C for 10 min. Compared to a similar study previously made on IN706 superalloy, it was found that the optimum P concentration in the as-solutioned state for improving the stress rupture properties was not definite. Furthermore, the relationship between the amount of P segregated at the grain boundary and the role of P on the stress rupture properties was discussed.
Keywordphosphorus direct aging heat treatment stress rupture property grain boundary segregation IN706 alloy
Funding OrganizationNatural Science Foundation of Hunan Province of China ; Science Research Foundation of Hunan Provincial Education Department of China ; Science and Technology Research Foundation of Jiangxi Provincial Education Department of China ; National Natural Science Foundation of China
DOI10.3390/cryst10080641
Indexed BySCI
Language英语
Funding ProjectNatural Science Foundation of Hunan Province of China[2020JJ4645] ; Science Research Foundation of Hunan Provincial Education Department of China[19C0156] ; Science and Technology Research Foundation of Jiangxi Provincial Education Department of China[GJJ170929] ; Science and Technology Research Foundation of Jiangxi Provincial Education Department of China[GJJ180868] ; National Natural Science Foundation of China[11964029]
WOS Research AreaCrystallography ; Materials Science
WOS SubjectCrystallography ; Materials Science, Multidisciplinary
WOS IDWOS:000567362500001
PublisherMDPI
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/140452
Collection中国科学院金属研究所
Corresponding AuthorZhang, Sha
Affiliation1.Changsha Univ, Coll Mech & Elect Engn, Changsha 410022, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
3.Shangrao Normal Univ, Jiangxi Prov Key Lab Polymer Preparat & Proc, Shangrao 334001, Peoples R China
Recommended Citation
GB/T 7714
Zhang, Sha,Zhang, Anwen,Xue, Chaochao,et al. Influence of Phosphorus Addition on the Stress Rupture Properties of Direct Aged IN706 Superalloy[J]. CRYSTALS,2020,10(8):9.
APA Zhang, Sha.,Zhang, Anwen.,Xue, Chaochao.,Jia, Dan.,Zhang, Weiwei.,...&Sun, Wenru.(2020).Influence of Phosphorus Addition on the Stress Rupture Properties of Direct Aged IN706 Superalloy.CRYSTALS,10(8),9.
MLA Zhang, Sha,et al."Influence of Phosphorus Addition on the Stress Rupture Properties of Direct Aged IN706 Superalloy".CRYSTALS 10.8(2020):9.
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