Surface deformation of  Ti-6Al-4V titanium alloy under laser loading

Fei Yin; Xia Ye; Hongbing Yao

doi:10.1117/12.2600057

18 June 2021 Surface deformation of Ti-6Al-4V titanium alloy under laser loading

Fei Yin, Xia Ye, Hongbing Yao

Proceedings Volume 11850, First Optics Frontier Conference; 118501I (2021) https://doi.org/10.1117/12.2600057
Event: First Optics Frontier Conference, 2021, Hangzhou, China

Abstract

In order to study the phenomenon of spallation in titanium alloy under nanosecond laser shock, and on the basis of analyzing the advantages of laser shock forming technology and the relevant domestic and foreign research status, this paper conducts numerical simulation and experimental research on laser shock forming of titanium alloy sheet, systematically studies the effect of different laser energy and impact times on laser shock forming effect, and the deformation law of TC4 titanium alloy material in the process of laser shock forming are analyzed. The simulation model analyzes the deformation of the target material based on the target displacement cloud map at different times. In addition, the laser shock experiment verifies the correctness of the simulation results with experimental data. The results show that under the single-variable method, as the energy gradually grows, the target shape variable also increases. As the number of impacts increases, the target deformation gradually increases until cracks appear. These results provide a basis for setting laser parameters and selecting targets when nanosecond laser strikes the TC4 target.

Citation Download Citation

Fei Yin, Xia Ye, and Hongbing Yao "Surface deformation of Ti-6Al-4V titanium alloy under laser loading", Proc. SPIE 11850, First Optics Frontier Conference, 118501I (18 June 2021); https://doi.org/10.1117/12.2600057

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