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LI Shuaizhen, XING Yanshuang, LIU Xuesong. Effect of rotational speed on forming and tensile shear properties of 2060 Al-Li RFSSW joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(10): 156-160. DOI: 10.12073/j.hjxb.2019400278
Citation: LI Shuaizhen, XING Yanshuang, LIU Xuesong. Effect of rotational speed on forming and tensile shear properties of 2060 Al-Li RFSSW joint[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2019, 40(10): 156-160. DOI: 10.12073/j.hjxb.2019400278
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Effect of rotational speed on forming and tensile shear properties of 2060 Al-Li RFSSW joint

  • 1.

    CSR Qingdao Sifang Co., Ltd., Qingdao 266111, China

  • 2.

    State Key Laboratory of Advanced Welding and Joining, Harbin Institute of Technology, Harbin 150001, China

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  • Received Date: September 20, 2018
  • Available Online: July 12, 2020
    Graphical Abstract
    • Abstract
  • This study chose 2060 Al-Li alloy as the objective to perform RFSSW experiments. The purpose is to investigate the rotational speed on interior form and tensile shear properties of RFSSW joint. The results show that the incomplete refilled defect, void and hook occur in the RFSSW joints under different rotational speeds. Furthermore, the incomplete refilled defect and void easily occur at low and high rotational speeds. Meanwhile, hook bends toward downward and its height first increases and then reduces. The tensile shear load of joint increases and then decreases with increasing rotational speed. The maximum value reaches to 9 800 N under 2 200 r/min. The fracture mode of RFSSW joint is shear fracture, and the fracture location includes three types. They are along the lap interface, along the bottom of the sleeve affected zone and along the above-mentioned mixture fracture.
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    • References (11)
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