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Science and Technology of Welding and Joining Volume 26, 2021 - Issue 7
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Research Article

Experimental study of Cu/Fe underwater self-constrained explosive welding tube

Qichao Tiana CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of China;b National Key Laboratory for Remanufacturing, Beijing, People’s Republic of ChinaView further author information
,
Yang Minga CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of ChinaView further author information
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Junfeng Xua CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of ChinaView further author information
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Honghao Maa CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of China;c State Key Laboratory of Fire Science, University of Science and Technology of China, Hefei, People’s Republic of ChinaCorrespondence[email protected]
View further author information
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Yang Zhaob National Key Laboratory for Remanufacturing, Beijing, People’s Republic of ChinaView further author information
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Zhaowu Shena CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of ChinaView further author information
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Zhiqiang Renb National Key Laboratory for Remanufacturing, Beijing, People’s Republic of ChinaView further author information
&
Heng Zhoua CAS Key Laboratory of Mechanical Behavior and Design of Materials, Department of Modern Mechanics, University of Science and Technology of China, Hefei, People’s Republic of ChinaView further author information
 show all
Pages 521-528 | Received 16 Mar 2021, Accepted 26 Jun 2021, Published online: 27 Aug 2021
 
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ABSTRACT

In this study, copper/steel composite tubes were produced by an underwater explosive welding process. Scanning electron microscopy, energy dispersive spectroscopy, electron backscatter diffraction and hardness tests were performed to analyse the microstructure and properties of the composite tubes. It was shown that by using an aqueous medium as a constraint, the inner tube cladding surface could be protected, shape distortion was reduced and the stringent requirements on the outer steel die were reduced. The results show that the copper/steel bond interface has a high-strength fine grain layer and that work hardening occurs near the interface after tube lamination.

Disclosure statement

No potential conflict of interest was reported by the author(s).

Additional information

Funding

This paper was supported by National Natural Science Foundation of China [grant number 51874267], the Fundamental Research Funds for the Central Universities [grant numbers WK2480000008, WK2480000007].

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