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Synchronous improvement of the strength and plasticity of Ni-Co based superalloys
Yang, C. L.1,2; Zhang, Z. J.1; Zhang, P.1; Cui, C. Y.3; Zhang, Z. F.1,2
Corresponding AuthorCui, C. Y.(chycui@imr.ac.cn) ; Zhang, Z. F.(zhfzhang@imr.ac.cn)
2018-10-24
Source PublicationMATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING
ISSN0921-5093
Volume736Pages:100-104
AbstractSynchronous improvement of strength and plasticity (SISP) is realized for the first time in a precipitated-phase strengthened Ni-Co based superalloy through reducing stacking fault energy (SFE). Microstructure characterizations indicate that, with lowering SFE, the dislocation slip mode transforms from wavy to planar slip, meanwhile, the twinnability is also improved. Both the planar slip mode and the increased twinnability enhance the strain-hardening capability of the superalloy, which postpones the initiation of necking. Thus, the SISP in the double-phase superalloy is achieved.
KeywordSuperalloy Stacking fault energy Strength and plasticity Planar slip Deformation twinning
Funding OrganizationNational Natural Science Foundation of China (NSFC)
DOI10.1016/j.msea.2018.08.012
Indexed BySCI
Language英语
Funding ProjectNational Natural Science Foundation of China (NSFC)[51401207] ; National Natural Science Foundation of China (NSFC)[51331007] ; National Natural Science Foundation of China (NSFC)[U1664253]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000447573400010
PublisherELSEVIER SCIENCE SA
Citation statistics
Cited Times:8[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/129665
Collection中国科学院金属研究所
Corresponding AuthorCui, C. Y.; Zhang, Z. F.
Affiliation1.Chinese Acad Sci, Mat Fatigue & Fracture Div, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Chinese Acad Sci, 19 Yuquan Rd, Beijing 100049, Peoples R China
3.Chinese Acad Sci, Superalloy Div, Inst Met Res, 72 Wenhua Rog, Shenyang 110016, Liaoning, Peoples R China
Recommended Citation
GB/T 7714
Yang, C. L.,Zhang, Z. J.,Zhang, P.,et al. Synchronous improvement of the strength and plasticity of Ni-Co based superalloys[J]. MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,2018,736:100-104.
APA Yang, C. L.,Zhang, Z. J.,Zhang, P.,Cui, C. Y.,&Zhang, Z. F..(2018).Synchronous improvement of the strength and plasticity of Ni-Co based superalloys.MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING,736,100-104.
MLA Yang, C. L.,et al."Synchronous improvement of the strength and plasticity of Ni-Co based superalloys".MATERIALS SCIENCE AND ENGINEERING A-STRUCTURAL MATERIALS PROPERTIES MICROSTRUCTURE AND PROCESSING 736(2018):100-104.
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