This paper concentrates on the measurement and analysis of laser ablation effect of particularly prepared aerospace material, polycarbosilane (PCS). Laser ablation experiment setup is designed and built, based on a continuous-wave high-power solid-state laser (CWHPSSL). Steel samples with composite PCS coating are prepared. After that, a group of laser ablation experiment is performed. The samples are shot by laser beam with thousands W/cm2 fluence. The results, including the ablation morphology and temperature data, is shown and discussed. Temperature data gives a good demonstration of thermal protection effect of composite coating, and in the meanwhile the morphological features in the ablated region reveal the principle of PCS laser-proof effect. Theoretical investigation has also been carried out. The temperature field is simulated based on Fourier equation of heat conduction, and the simulation result provides a good demonstration on thermal-proof effect of PCS coating layer during laser ablation process.


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    Title :

    Solid state laser ablation effect on laser-proof composite coating applied in aerospace material


    Contributors:
    Li, Jing (author) / Zheng, Yi (author) / Luo, Jing (author) / Liu, Zhichao (author) / Chen, Songlin (author) / Zhang, Yuzhong (author) / Wang, Zhiyong (author)

    Conference:

    Selected Papers from Conferences of the Photoelectronic Technology Committee of the Chinese Society of Astronautics: Optical Imaging, Remote Sensing, and Laser-Matter Interaction 2013 ; 2013 ; SuZhou,China


    Published in:

    Publication date :

    2014-02-21





    Type of media :

    Conference paper


    Type of material :

    Electronic Resource


    Language :

    English



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