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Creep enhancement of IN718 alloy by phosphorus doping
Hu, ZQ; Song, HW; Sun, WR; Guo, SR; Lu, DZ
Corresponding AuthorHu, ZQ()
2001-11-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume30Pages:64-68
AbstractPhosphorus significantly improves the stress-rupture properties and strongly retards the creep process of rolled IN718 alloy. Increasing phosphorus to 0.02wt% causes an increase of the apparent creep activation energy from 678. 5kJ/mol to 746. 1kJ/mol and an increase of the diffusion activation energy along grain boundary from 276. 1kJ/mol to 349. 8kJ/mol. It has been proposed that phosphorus segregates to grain boundary due to the reduction of the grain boundary energy by the segregation and thus decreases both grain boundary cohesion and diffusivity.
KeywordIN718 alloy phosphorus grain boundary diffusion creep
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000175387800009
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/112088
Collection中国科学院金属研究所
Corresponding AuthorHu, ZQ
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Hu, ZQ,Song, HW,Sun, WR,et al. Creep enhancement of IN718 alloy by phosphorus doping[J]. RARE METAL MATERIALS AND ENGINEERING,2001,30:64-68.
APA Hu, ZQ,Song, HW,Sun, WR,Guo, SR,&Lu, DZ.(2001).Creep enhancement of IN718 alloy by phosphorus doping.RARE METAL MATERIALS AND ENGINEERING,30,64-68.
MLA Hu, ZQ,et al."Creep enhancement of IN718 alloy by phosphorus doping".RARE METAL MATERIALS AND ENGINEERING 30(2001):64-68.
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