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Influence of phosphorus on the mechanical properties and gamma '' phase of aged DA 718 alloy
Huang Lifeng; Sun Wenru; Guo Shouren; Hu Zhuangqi
Corresponding AuthorHuang Lifeng(lfhuang@imr.ac.cn)
2008-07-01
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume37Issue:7Pages:1193-1196
AbstractThe growth behavior has been investigated for the gamma '' phase in DA 718 alloy aged at 680 degrees C for 3000 h and the effect of phosphorus on the coarsening behavior has been revealed as well. Results show that the gamma '' phase grows linearly along the radius direction and by a parabolic curve along the thick direction. Addition of phosphorus impedes the growth of gamma '' phase, maybe due to the decrease of diffusion coefficient of the niobium in the matrix. In the mean time, the effect of phosphorus,on the mechanical properties of the aged DA 718 alloys has been investigated. Results show that the phosphorus slightly influences the room temperature hardness and tensile properties, but markedly improves the creep property.
KeywordDA718 alloy phosphorus long term ageing mechanical property
Indexed BySCI
Language英语
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000258345500015
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:1[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/95032
Collection中国科学院金属研究所
Corresponding AuthorHuang Lifeng
AffiliationChinese Acad Sci, Inst Met Res, Shenyang 110016, Peoples R China
Recommended Citation
GB/T 7714
Huang Lifeng,Sun Wenru,Guo Shouren,et al. Influence of phosphorus on the mechanical properties and gamma '' phase of aged DA 718 alloy[J]. RARE METAL MATERIALS AND ENGINEERING,2008,37(7):1193-1196.
APA Huang Lifeng,Sun Wenru,Guo Shouren,&Hu Zhuangqi.(2008).Influence of phosphorus on the mechanical properties and gamma '' phase of aged DA 718 alloy.RARE METAL MATERIALS AND ENGINEERING,37(7),1193-1196.
MLA Huang Lifeng,et al."Influence of phosphorus on the mechanical properties and gamma '' phase of aged DA 718 alloy".RARE METAL MATERIALS AND ENGINEERING 37.7(2008):1193-1196.
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