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Strength and ductility of bulk Cu/Nb nanolaminates exposed to extremely high temperatures
Yang, Wenfan1,2; Beyerlein, Irene J.3; Jin, Qianqian1,2; Ge, Hualong1,2; Xiong, Ting1,2; Yang, Lixin1,2; Pang, Jianchao1,2; Zhou, Yangtao1,2; Shao, Xiaohong1,2; Zhang, Bo1,2; Zheng, Shijian1,4,5; Ma, Xiuliang1,2,6
Corresponding AuthorZheng, Shijian(sjzheng@imr.ac.cn)
2019-06-01
Source PublicationSCRIPTA MATERIALIA
ISSN1359-6462
Volume166Pages:73-77
AbstractIn this work, we investigate the tensile strength and ductility of bulk Cu/Nb nanolaminates after exposure to high temperatures. We show that the interface transforms from flat to wavy at a transition temperature of 700 degrees C, and tensile strength is linearly proportional to H-1/2 (H = layer thickness). Moreover, the wavy interfaces give rise to a higher slope of the Hall-Petch law. This result can be attributed to greater resistance to slip transmission across wavy interfaces compared to planar interfaces. After 1000 degrees C for 1 h, the material still exhibits a high strength of 468 MPa and enhanced elongation. (C) 2019 Acta Materialia Inc. Published by Elsevier Ltd. All rights reserved.
KeywordCu-Nb Interface Strength Thermal stability Hall-Petch relation
Funding OrganizationHundred Talents Project of Chinese Academy of Sciences ; Thousand Youth Talents Plan of China ; National Natural Science Foundation of China ; Shenyang National Laboratory for Materials Science ; U.S. Dept of Energy, Office of Basic Energy Sciences Program
DOI10.1016/j.scriptamat.2019.03.007
Indexed BySCI
Language英语
Funding ProjectHundred Talents Project of Chinese Academy of Sciences ; Thousand Youth Talents Plan of China ; National Natural Science Foundation of China[51771201] ; Shenyang National Laboratory for Materials Science[2017RP17] ; U.S. Dept of Energy, Office of Basic Energy Sciences Program[DE-SC0018901]
WOS Research AreaScience & Technology - Other Topics ; Materials Science ; Metallurgy & Metallurgical Engineering
WOS SubjectNanoscience & Nanotechnology ; Materials Science, Multidisciplinary ; Metallurgy & Metallurgical Engineering
WOS IDWOS:000466251000016
PublisherPERGAMON-ELSEVIER SCIENCE LTD
Citation statistics
Cited Times:12[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/133598
Collection中国科学院金属研究所
Corresponding AuthorZheng, Shijian
Affiliation1.Chinese Acad Sci, Shenyang Natl Lab Mat Sci, Inst Met Res, 72 Wenhua Rd, Shenyang 110016, Liaoning, Peoples R China
2.Univ Sci & Technol China, Sch Mat Sci & Engn, Hefei 230026, Anhui, Peoples R China
3.Univ Calif Santa Barbara, Dept Mech Engn, Dept Mat, Santa Barbara, CA 93106 USA
4.Hebei Univ Technol, Res Inst Energy Equipment Mat, Sch Mat Sci & Engn, Tianjin 300130, Peoples R China
5.Hebei Univ Technol, Tianjin Key Lab Mat Laminating Fabricat & Interfa, Tianjin 300130, Peoples R China
6.Lanzhou Univ Technol, Sch Mat Sci & Engn, Lanzhou 730050, Gansu, Peoples R China
Recommended Citation
GB/T 7714
Yang, Wenfan,Beyerlein, Irene J.,Jin, Qianqian,et al. Strength and ductility of bulk Cu/Nb nanolaminates exposed to extremely high temperatures[J]. SCRIPTA MATERIALIA,2019,166:73-77.
APA Yang, Wenfan.,Beyerlein, Irene J..,Jin, Qianqian.,Ge, Hualong.,Xiong, Ting.,...&Ma, Xiuliang.(2019).Strength and ductility of bulk Cu/Nb nanolaminates exposed to extremely high temperatures.SCRIPTA MATERIALIA,166,73-77.
MLA Yang, Wenfan,et al."Strength and ductility of bulk Cu/Nb nanolaminates exposed to extremely high temperatures".SCRIPTA MATERIALIA 166(2019):73-77.
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