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Effect of phosphorus on the stress rupture properties of IN706 superalloy
Zhang, Sha1; Zhang, Anwen2; Chang, Litao2; Wang, Weiyang3; Xin, Xin2; Sun, Wenru2
Corresponding AuthorZhang, Sha(szhang10b@alum.imr.ac.cn)
2019-07-22
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume761Pages:8
AbstractThe effect of phosphorus (P) and the form it exists on the stress rupture properties of IN706 superalloy has been investigated by testing alloys with four different P contents and heat treated under two schemes. The results showed that a maximum stress rupture life was obtained when 0.008 wt% P was added for the alloy subjected to the phosphide precipitation promotion heat treatment; whilst the stress rupture life of the alloy was continuously increased when the P content was ranged from 0.002 wt% to 0.017 wt% for the alloy subjected to the phosphide precipitation suppression heat treatment. The beneficial effect of P when the phosphide precipitation was suppressed was attributed to its segregation at the grain boundaries, leading to grain boundary strengthening and improvement in inter granular oxidation resistance. However, this beneficial effect was weakened when needle-shaped s phase precipitated at the grain boundaries combined with the decreased P grain boundary segregation. Additionally, no obvious effect of P on the stress rupture ductility of IN706 alloy was identified.
KeywordPhosphorus IN706 alloy Grain boundary segregation Stress rupture property
Funding OrganizationNational Natural Science Foundation of China ; Science and Technology Research Foundation of Jiangxi Provincial Education Department of China
DOI10.1016/j.msea.2019.05.111
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[11404214] ; Science and Technology Research Foundation of Jiangxi Provincial Education Department of China[GJJ170929]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000477784900027
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/134826
Collection中国科学院金属研究所
Corresponding AuthorZhang, Sha
Affiliation1.Changsha Univ, Coll Mech & Elect Engn, Changsha 410022, Hunan, 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,Chang, Litao,et al. Effect of phosphorus on the stress rupture properties of IN706 superalloy[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2019,761:8.
APA Zhang, Sha,Zhang, Anwen,Chang, Litao,Wang, Weiyang,Xin, Xin,&Sun, Wenru.(2019).Effect of phosphorus on the stress rupture properties of IN706 superalloy.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,761,8.
MLA Zhang, Sha,et al."Effect of phosphorus on the stress rupture properties of IN706 superalloy".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 761(2019):8.
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