Transactions of Materials and Heat Treatment

Title：Laser/ultrasonic assisted V-type bending process of TC4 titanium alloy based on FEA

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ClassificationCode：TG302

year,vol(issue):pagenumber：2025,50(8):64-71

Abstract：

Aiming at the problems of significant forming difficulty and low forming accuracy of titanium alloy at room temperature, an auxiliary bending process with laser/ultrasonic composite energy field during bending process was proposed. Based on the ANSYS software, finite element analyses of three processes, namely, ordinary V-type bending, laser assisted V-type bending and laser/ultrasonic assisted V-type bending of TC4 titanium alloy, were carried out. The influence laws of bending force, laser and ultrasonic vibration on the bending process of titanium alloy were determined by the analysis results of geometric shape, springback angle and equivalent strain of the bent part. The results show that during the laser/ultrasonic assisted V-type bending process, the springback of titanium alloy bent parts is better suppressed by utilizing the local high temperature generated by the laser,and the surface and volume effects produced by the ultrasonic vibration, as well as the composite effect of the laser/ultrasonic vibration energy, and the quality of titanium alloy bent parts is further improved. Moreover, this method has the advantages of process simplicity and excellent implementability.

Funds：

国家自然科学基金资助项目（52075347）；辽宁省自然科学基金资助项目（2022-MS-295）

作者简介：冯卓（2000-），男，硕士研究生 E-mail：2573879247@qq.com 通信作者：高铁军（1977-），男，博士，教授 E-mail：tiejun_gao@163.com

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