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Bulk Cu-NbC nanocomposites with high strength and high electrical conductivity
Zeng, Wei1,4; Xie, Jingwen1; Zhou, Dengshan2,3; Fu, Zhiqiang4; Zhang, Deliang1,2,3; Lavernia, Enrique J.4
2018
Source PublicationJournal of Alloys and Compounds
ISSN09258388
Volume745Pages:55-62
AbstractWe report on a study aimed at simultaneously achieving high strength, high electrical conductivity and high thermal stability in bulk nanocrystalline (NC) Cu-NbC nanocomposites. We describe an approach that involves adding NbC nanoparticles (∼7 nm) into a nanocrystalline Cu matrix (∼96 nm) via in-situ formation during sintering of high energy mechanically milled powder into a compact. Our results show that the presence of thermally stable NbC nanoparticles in the bulk NC Cu-NbC nanocomposite contributes to a high tensile strength (868 MPa) in combination with a thermally stable nanocrystalline Cu matrix, and a high electrical conductivity of ∼56% IACS (International Annealed Copper Standard). © 2018 Elsevier B.V.
DOI10.1016/j.jallcom.2018.02.215
PublisherElsevier Ltd
EI KeywordsNiobium compounds
EI Classification Number544.2 Copper Alloys - 641.1 Thermodynamics - 701.1 Electricity: Basic Concepts and Phenomena - 761 Nanotechnology - 933 Solid State Physics - 951 Materials Science
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Document Type期刊论文
Identifierhttp://ir.sic.ac.cn/handle/331005/25284
Collection中国科学院上海硅酸盐研究所
Affiliation1.The State Key Laboratory of Metal Matrix Composites, School of Materials Science and Engineering, Shanghai Jiao Tong University, Shanghai; 200240, China;
2.Key Laboratory for Anisotropy and Texture of Materials (Ministry of Education), School of Materials Science and Engineering, Northeastern University, Shenyang; 110819, China;
3.Institute of Ceramics and Powder Metallurgy, School of Materials Science and Engineering, Northeastern University, Shenyang; 110819, China;
4.Department of Chemical Engineering & Materials Science, University of California, Irvine; CA; 92607, United States
Recommended Citation
GB/T 7714
Zeng, Wei,Xie, Jingwen,Zhou, Dengshan,et al. Bulk Cu-NbC nanocomposites with high strength and high electrical conductivity[J]. Journal of Alloys and Compounds,2018,745:55-62.
APA Zeng, Wei,Xie, Jingwen,Zhou, Dengshan,Fu, Zhiqiang,Zhang, Deliang,&Lavernia, Enrique J..(2018).Bulk Cu-NbC nanocomposites with high strength and high electrical conductivity.Journal of Alloys and Compounds,745,55-62.
MLA Zeng, Wei,et al."Bulk Cu-NbC nanocomposites with high strength and high electrical conductivity".Journal of Alloys and Compounds 745(2018):55-62.
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