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Mechanical Properties and Fracture Behavior of Laminated Heterostructured Composites Under Different Current Densities
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Affiliation:

1.National Key Laboratory for Precision Hot Processing of Metals, Harbin Institute of Technology, Harbin 150001, China;2.School of Materials Science and Engineering, Harbin Institute of Technology, Harbin 150001, China;3.Key Laboratory of Micro-Systems and Micro-Structures Manufacturing of Ministry of Education, Harbin Institute of Technology, Harbin 150001;4.Xi'an Rare Metal Materials Institute Co., Ltd, Xi'an 710016, China

Fund Project:

National Natural Science Foundation of China (52305349); China Postdoctoral Science Foundation (2023M730837); Natural Science Basic Research Program of Shaanxi Province (2023-JC-QN-0518); Heilongjiang Provincial Natural Science Foundation of China (LH2023E033); Supported by CGN-HIT Advanced Nuclear and New Energy Research Institute (CGN-HIT202305)

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    Abstract:

    The mechanical properties and fracture morphologies of Cu/Nb multilayer composites under electric-assisted tension (EAT) were investigated. Results show that the generated Joule-heat leads to obvious stress softening with the increase in current density. However, the elongation decreases, which is closely related to the characteristic fracture behavior of Cu/Nb multilayer composites during EAT. The fracture pattern is gradually transformed from ductile fracture to melt fracture with the increase in current density.

    Reference
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[Li Hushan, Ding Chaogang, Ding Ziheng, Zhang Hao, Wang Fanghui, Chen Yuxi, Bao Jianxing, Xu Jie, Guo Bin, Shan Debin. Mechanical Properties and Fracture Behavior of Laminated Heterostructured Composites Under Different Current Densities[J]. Rare Metal Materials and Engineering,2024,53(10):2713~2717.]
DOI:10.12442/j. issn.1002-185X.20240485

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History
  • Received:August 04,2024
  • Revised:September 02,2024
  • Adopted:September 04,2024
  • Online: September 27,2024
  • Published: September 27,2024