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Author:

Sun, Y. (Sun, Y..) | Han, T. (Han, T..) | Hou, C. (Hou, C..) | Wang, Y. (Wang, Y..) | Li, Y. (Li, Y..) | Zhao, Z. (Zhao, Z..) | Song, X. (Song, X..)

Indexed by:

EI Scopus SCIE

Abstract:

W-Cu composites have been widely applied in numerous critical applications due to their excellent comprehensive properties. However, the mechanical properties and physical properties of W-Cu composites can hardly be enhanced simultaneously. In this paper, multilayered W-Cu composites with various copper contents were fabricated by the electric field assisted fast hot-pressing technology. The prepared multilayered W-Cu composites demonstrate simultaneous enhancement in compressive yield strength, electrical conductivity, and wear resistance compared to those of the commercial counterparts. The improved strength can be attributed to both the enhanced stress partitioning and the exceptional strength of the tungsten layer. The combined lower friction coefficient and high strength of the composites contribute to the reduced wear rate. Moreover, the in-situ compression test reveals that the plastic strain of the multilayered W-Cu composites is primarily governed by the nucleation of kinking band, which differs it from the nanolaminated composites where plastic strain is also contributed by the propagation of kinking band. This work reveals the advantages of the multilayered structure and provides new insight for the structural design of high-performance W-Cu composites. © 2024

Keyword:

Multilayered structure Electrical conductivity W-Cu composites Strength Wear resistance

Author Community:

  • [ 1 ] [Sun Y.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 2 ] [Han T.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 3 ] [Hou C.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 4 ] [Wang Y.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 5 ] [Li Y.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 6 ] [Zhao Z.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China
  • [ 7 ] [Song X.]College of Materials Science and Engineering, Key Laboratory of Advanced Functional Materials, Ministry of Education of China, Beijing University of Technology, Beijing, 100124, China

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Source :

Composites Part B: Engineering

ISSN: 1359-8368

Year: 2024

Volume: 283

1 3 . 1 0 0

JCR@2022

Cited Count:

WoS CC Cited Count:

SCOPUS Cited Count: 7

ESI Highly Cited Papers on the List: 0 Unfold All

WanFang Cited Count:

Chinese Cited Count:

30 Days PV: 14

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