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Orientation Dependence of Low Cycle Fatigue Properties of a Ni-based Single Crystal Superalloy DD10
Fan Zhidong1,2; Li Ji1; Wang Dong2; Lou Langhong2; Zhang Jiang2
Corresponding AuthorWang Dong(dwang@imr.ac.cn)
2018
Source PublicationRARE METAL MATERIALS AND ENGINEERING
ISSN1002-185X
Volume47Issue:1Pages:1-6
AbstractLow cycle fatigue (LCF) properties of a nickel-based single crystal (SX) superalloy DD10 with different orientation deviation angles from the [001] axis were investigated at 760 degrees C with an invariable total strain amplitude of 1.4%. Results reveal that the LCF behaviors of DD10 exhibit a strong orientation-dependence. The fatigue life decreases apparently with the increment of the orientation deviation angle. For specimens with the same orientation deviation angle from the [001] axis, those on the [001]-[011] boundary exhibit a longer fatigue life than ones on the [001]-[(1)over-bar11] boundary. It is found that the orientation-dependence of fatigue life stems from the difference of accumulated plastic deformation per cycle. On the other hand, both of total stress amplitude and plastic strain amplitude show a reverse orientation-dependence compared with the fatigue life. However, the orientation deviation shows no influence on the model of fatigue crack initiation and subsequent propagation.
Keywordsingle crystal superalloy DD10 alloy orientation deviation low cycle fatigue
Funding OrganizationNational Natural Science Foundation of China
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China[51631008] ; National Natural Science Foundation of China[51101160]
WOS Research AreaMaterials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectMaterials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000429187800001
PublisherNORTHWEST INST NONFERROUS METAL RESEARCH
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/127777
Collection中国科学院金属研究所
Corresponding AuthorWang Dong
Affiliation1.Xian Thermal Power Res Inst Co Ltd, Xian 710054, Shaanxi, Peoples R China
2.Chinese Acad Sci, Inst Met Res, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Fan Zhidong,Li Ji,Wang Dong,et al. Orientation Dependence of Low Cycle Fatigue Properties of a Ni-based Single Crystal Superalloy DD10[J]. RARE METAL MATERIALS AND ENGINEERING,2018,47(1):1-6.
APA Fan Zhidong,Li Ji,Wang Dong,Lou Langhong,&Zhang Jiang.(2018).Orientation Dependence of Low Cycle Fatigue Properties of a Ni-based Single Crystal Superalloy DD10.RARE METAL MATERIALS AND ENGINEERING,47(1),1-6.
MLA Fan Zhidong,et al."Orientation Dependence of Low Cycle Fatigue Properties of a Ni-based Single Crystal Superalloy DD10".RARE METAL MATERIALS AND ENGINEERING 47.1(2018):1-6.
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