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HAN Guihai, ZHAO Hongyun, FU Wei, SONG Xiaoguo, TIAN Xiao, FENG Jicai. Effect of holding time on interfacial microstructure and properties of TZM/ZrCp-W brazed joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(1): 69-72.
Citation: HAN Guihai, ZHAO Hongyun, FU Wei, SONG Xiaoguo, TIAN Xiao, FENG Jicai. Effect of holding time on interfacial microstructure and properties of TZM/ZrCp-W brazed joints[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2017, 38(1): 69-72.
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Effect of holding time on interfacial microstructure and properties of TZM/ZrCp-W brazed joints

  • 1.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;Shandong Provincial Key Laboratory of Ocean Environment Monitoring Technology, Institute of Oceanographic Instrumentation Shandong Academy of Sciences, Qingdao 266001, China

  • 2.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China;Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China

  • 3.

    Shandong Provincial Key Laboratory of Special Welding Technology, Harbin Institute of Technology at Weihai, Weihai 264209, China

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  • Received Date: January 06, 2016
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    • Abstract
  • TZM alloy was successfully brazed to ZrCp-W composite by using Ti-28Ni(at%) eutectic alloy at 1 040℃. The effect of holding time on interfacial microstructure and properties of TZM/ZrCp-W brazed joints was studied in this paper. The typical interfacial microstructure of TZM/ZrCp-W brazed joint was TZM/Ti(s,s)/Ti2Ni/(Ti,Zr)C+W(s,s)/ZrCp-W. As holding time extended, the thickness of brazing seam increased, while each reaction layer had different changes. For Ti(s,s) layer, it stayed the same. Ti2Ni layer had a slight increase, at the same time, diffusion layer increased largely. Shear test results indicated that the highest shear strength of 120 MPa was obtained when brazing time was 10 min, and the brazed joint fractured in TZM substrate.
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    • References (9)
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