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WANG Ting1,2, SHI Zhiyuan1,2, LI Ning1, SONG Kaikai3, FENG Jicai1,2. Characteristic of electron beam welded Cu46Zr46Al8 BMGs[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(8): 38-41. DOI: 10.12073/j.hjxb.2018390197
Citation: WANG Ting1,2, SHI Zhiyuan1,2, LI Ning1, SONG Kaikai3, FENG Jicai1,2. Characteristic of electron beam welded Cu46Zr46Al8 BMGs[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2018, 39(8): 38-41. DOI: 10.12073/j.hjxb.2018390197
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Characteristic of electron beam welded Cu46Zr46Al8 BMGs

  • 1. Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China;
    2. State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;
    3. School of Mechanical, Electrical & Information Engineering, Shandong University at Weihai, Weihai 264209, China

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  • Received Date: November 02, 2017
    Graphical Abstract
    • Abstract
  • Cu46Zr46Al8 BMGs have been joined by the electron beam welding (EBW) technique. The microstructural transformation, microhardness profile across the welded joint and the tensile property have been analyzed in this paper. The results showed that major microstructure in fusion zone remained amorphous state. Crystallization occurred in the supercooling liquid zone (SLZ) and a large amount of Cu-Zr intermetallics were produced. The microhardness in fusion zone was similar to the base metal and microhardness of supercooling liquid zone was significantly reduced. The tensile strength and toughness of the welded joint were lower than those of base metal. Fracture occurred in the brittle compounds layer of supercooling liquid zone with a typical brittle intergranular fracture mode.
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    • References (9)
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