Numerical calculation for thermal effect of polycarbosilane composite coating irradiated by continuous-wave laser

Jin Luo; Fei Zhang; Haibo Li; Yi Zheng; Yaowei Wei

doi:10.1117/12.2653252

20 January 2023 Numerical calculation for thermal effect of polycarbosilane composite coating irradiated by continuous-wave laser

Jin Luo, Fei Zhang, Haibo Li, Yi Zheng, Yaowei Wei

Author Affiliations +

Proceedings Volume 12559, AOPC 2022: Novel Optical Design; and Optics Ultra Precision Manufacturing and Testing; 1255909 (2023) https://doi.org/10.1117/12.2653252
Event: Applied Optics and Photonics China 2022 (AOPC2022), 2022, Beijing, China

Abstract

Based on the Fourier heat exchange equation, the heat-damage model irradiated by continuous-wave laser is developed on the basis of considering the phase transition of the material. Using the model, the temperature field in 30CrMnSi steel substrate that coated by polycarbosilane (PCS) composite coating are analyzed. And the effects of laser parameters and coating thickness on the temperature field are discussed too. The calculation results agree well with the experimental results, which can provide the theoretical basis for analyzing the laser ablation effect of laser protection material, such as PCS. The simulation results demonstrate that, the PCS composite coating provides obvious thermal protection to the 30CrMnSi steel substrate and the laser-to-target power density of continuous-wave laser has more sensitive influence on the PCS laser-proof effect.

Citation Download Citation

Jin Luo, Fei Zhang, Haibo Li, Yi Zheng, and Yaowei Wei "Numerical calculation for thermal effect of polycarbosilane composite coating irradiated by continuous-wave laser", Proc. SPIE 12559, AOPC 2022: Novel Optical Design; and Optics Ultra Precision Manufacturing and Testing, 1255909 (20 January 2023); https://doi.org/10.1117/12.2653252

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