THE EFFECT OF LASER OSCILLATING WELDING ON FORMATION AND PROPERTIES OF TITANIUM ALLOY

Tianyao Chen, Zeyang Wang, Xiaotong Pang, Yonggang Tong, Xixi Ji, Mingjun Zhang, Jian Zhang, Hongwei Hu, Kaiming Wang and Qiang Jia
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Tianyao Chen: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Zeyang Wang: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Xiaotong Pang: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Yonggang Tong: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Xixi Ji: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Mingjun Zhang: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Jian Zhang: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Hongwei Hu: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China
Kaiming Wang: College of Automotive and Mechanical Engineering, Changsha University of Science and Technology, Changsha 410114, P. R. China†State Key Laboratory of Tribology in Advanced Equipment, Department of Mechanical Engineering, Tsinghua University, Beijing 100084, P. R. China
Qiang Jia: ��Faculty of Materials and Manufacturing, Beijing University of Technology, Beijing, 100124, P. R. China

Surface Review and Letters (SRL), 2025, vol. 32, issue 03, 1-13

Abstract: Titanium alloys are widely used in aerospace and other fields due to their advantages of low density, high specific strength and good corrosion resistance. Laser oscillating welding is an innovative process in the realm of welding technology. In this study, two laser oscillating welding methods (circular and linear) were employed to analyze the influence of different oscillation parameters on the formation of titanium alloy. The results indicate that the oscillation frequency has a significant impact on weld formation. The laser scanning trajectory also affects weld formation, with circular and linear scanning trajectories resulting in better weld quality. Finally, the effects of oscillation modes on the microstructure and properties of laser oscillating welding titanium alloy were investigated based on optimized process parameters. Among them, circular laser oscillating welding of titanium alloy exhibits higher tensile strength, with a maximum tensile strength of up to 1188.3MPa.

Keywords: Laser oscillating welding; formation; properties; microstructure; titanium alloy (search for similar items in EconPapers)
Date: 2025
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DOI: 10.1142/S0218625X24501191

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