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ZENG Qingji, XU Lianyong, HAN Yongdian, JING Hongyang, ZHOU Chunliang. Finite element numerical simulation of electron beam welding of TC4 titanium alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2014, 35(11): 109-112.
Citation: ZENG Qingji, XU Lianyong, HAN Yongdian, JING Hongyang, ZHOU Chunliang. Finite element numerical simulation of electron beam welding of TC4 titanium alloy[J]. TRANSACTIONS OF THE CHINA WELDING INSTITUTION, 2014, 35(11): 109-112.
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Finite element numerical simulation of electron beam welding of TC4 titanium alloy

  • 1.

    School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China

  • 2.

    School of Materials Science and Engineering, Tianjin University, Tianjin 300072, China;Tianjin Key Laboratory of Advanced Joining Technology, Tianjin 300072, China

  • 3.

    The 18th Research Institute of CETC, Tianjin 300381, China

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  • Received Date: May 14, 2013
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    • Abstract
  • The optimized welding parameters for electron beam welding of 9 mm thick TC4 titanium alloy plate were obtained. A finite element model was established based on ABAQUS software, and the simulated results of the weld appearance and residual stress on the weld surface agreed well with the experimental results. This proved that the combined heat source with highly penetrating cone heat source and highly irradiative dual-ellipsoid heat source could characterize the electron beam welding. Further simulated results showed that high residual stress occurred around the weld, especially, dangerous three-dimensional tensile stress existed within the weldment.
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