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Journal of Inorganic Materials, Volume. 38, Issue 11, 1271(2023)

Pyrolysis Behavior and Laser Ablation Resistance of PCS in Polycarbosilane Composite Coatings

Jia CAI1...2, Fangxia ZHAO1,*, Dong FAN1,2, Liping HUANG2, Yaran NIU2,*, Xuebin ZHENG2 and Zhenzhong ZHANG1 |Show fewer author(s)
Author Affiliations
  • 11. College of Materials Science and Engineering, Nanjing Tech University, Nanjing 211816, China
  • 22. Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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    AbstractGet PDF(in Chinese)
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    References (19)
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    Figures & Tables(15)
    Schematic of 10.6 μm CO2 laser examination device
    1. Schematic of 10.6 μm CO2 laser examination device

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    XRD patterns of PT (a) and PY (b) coatings
    2. XRD patterns of PT (a) and PY (b) coatings

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    Infrared spectra of products pyrolyzed from PT (a) and PY (b) coatings at different temperatures
    3. Infrared spectra of products pyrolyzed from PT (a) and PY (b) coatings at different temperatures

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    TG (a) and DSC (b) curves of PT, PY and PCS
    4. TG (a) and DSC (b) curves of PT, PY and PCS

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    XRD patterns of PT (a) and PY (b) coatings after heat-treated at different temperatures in air for 2 h
    5. XRD patterns of PT (a) and PY (b) coatings after heat-treated at different temperatures in air for 2 h

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    Morphologies of YPT and YPY coatings ablated by 425 W/cm2 laser for different periods
    6. Morphologies of YPT and YPY coatings ablated by 425 W/cm2 laser for different periods

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    Temperature curves of YPT (a) and YPY (b) coatings ablated by 425 W/cm2 laser for different periods
    7. Temperature curves of YPT (a) and YPY (b) coatings ablated by 425 W/cm2 laser for different periods

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    XRD patterns of YPT (a) and YPY (b) coatings after 425 W/cm2 laser ablation for different periods
    8. XRD patterns of YPT (a) and YPY (b) coatings after 425 W/cm2 laser ablation for different periods

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    Surface SEM morphologies of YPT and YPY coatings after 425 W/cm2, 5 s laser ablation
    9. Surface SEM morphologies of YPT and YPY coatings after 425 W/cm2, 5 s laser ablation

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    Cross-sectional original SEM morphologies (a, d), cross-sectional morphologies (b, c, e, f) and EDS results (g, h) of YPT and YPY coatings after 425 W/cm2, 5 s laser ablation
    10. Cross-sectional original SEM morphologies (a, d), cross-sectional morphologies (b, c, e, f) and EDS results (g, h) of YPT and YPY coatings after 425 W/cm2, 5 s laser ablation

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    Surface morphologies (a) and back surface morphologies (b) of YSZ, YPT and YPY coatings ablated by 2123 and 4246 W/cm2 laser for 5 and 10 s, respectively
    11. Surface morphologies (a) and back surface morphologies (b) of YSZ, YPT and YPY coatings ablated by 2123 and 4246 W/cm2 laser for 5 and 10 s, respectively

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    XRD patterns of YPT (a) and YPY (b) coatings after 4246 W/cm2, 10 s laser ablation
    12. XRD patterns of YPT (a) and YPY (b) coatings after 4246 W/cm2, 10 s laser ablation

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    SEM surface morphologies and EDS analyses of YSZ, YPT and YPY coatingsafter 4246 W/cm2, 10 s laser ablation
    13. SEM surface morphologies and EDS analyses of YSZ, YPT and YPY coatingsafter 4246 W/cm2, 10 s laser ablation

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    Cross-sectional SEM morphologies and corresponding elements mapping of the central ablation area of YSZ (a), YPT (b) and YPY (c) coatings after 4246 W/cm2, 10 s laser ablation
    14. Cross-sectional SEM morphologies and corresponding elements mapping of the central ablation area of YSZ (a), YPT (b) and YPY (c) coatings after 4246 W/cm2, 10 s laser ablation

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    • Table 1. Spray parameters of YSZ and NiCrAlY coatings[18]

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      Table 1. Spray parameters of YSZ and NiCrAlY coatings[18]

      CoatingsYSZNiCrAlY
      Ar/slpm30−4030−40
      H2/slpm5−155−15
      Spray distance/mm90−130200−300
      Feed rate/(r·min-1)15−3015−30
      Power/kW38−4830−40
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    Jia CAI, Fangxia ZHAO, Dong FAN, Liping HUANG, Yaran NIU, Xuebin ZHENG, Zhenzhong ZHANG. Pyrolysis Behavior and Laser Ablation Resistance of PCS in Polycarbosilane Composite Coatings[J]. Journal of Inorganic Materials, 2023, 38(11): 1271

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    Paper Information

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    Received: Mar. 21, 2023

    Accepted: --

    Published Online: Mar. 6, 2024

    The Author Email: ZHAO Fangxia (fangxiazhao@126.com), NIU Yaran (yrniu@mail.sic.ac.cn)

    DOI:10.15541/jim20230143

    Topics

    laser devices and laser physics
    Lasers and Laser Optics
    Laser physics
    laser manufacturing
    Instrumentation, Measurement and Metrology