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Journal of Inorganic Materials, Volume. 40, Issue 2, 168(2025)

Thermal Shock and Ablation Resistance of SiC Coating Repaired by Gaseous Silicon Infiltration

Jiaqi HOU1, Ruicong CHEN1, Yaoying ZENG1, Lei ZHOU2, Jiaping ZHANG1、*, and Qiangang FU1
Author Affiliations
  • 11. State Key Laboratory of Ultra High Temperature Composite Materials, Shaanxi Key Laboratory of Fiber Reinforced Light Composite Materials, Northwestern Polytechnical University, Xi'an 710072, China
  • 22. Wuxi Bozhi Composites Co., Ltd., Wuxi 214000, China
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    AbstractGet PDF(in Chinese)
    Figures&Tables (13)
    Equations (8)
    References (32)
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    Figures & Tables(13)
    Schematic diagram of the coating preparation
    1. Schematic diagram of the coating preparation

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    Schematic diagram for tests of coating samples
    2. Schematic diagram for tests of coating samples

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    Phase composition and morphologies of the coatings
    3. Phase composition and morphologies of the coatings

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    Weight loss curves of coating samples during thermal shock test from room temperature to 1773 K
    4. Weight loss curves of coating samples during thermal shock test from room temperature to 1773 K

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    Morphologies of coating samples after thermal shock test
    5. Morphologies of coating samples after thermal shock test

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    Variations of vapor pressure of main oxidation products for coatings with partial pressure of oxygen (a) and Gibbs free energy of oxidation reaction with temperature (b)
    6. Variations of vapor pressure of main oxidation products for coatings with partial pressure of oxygen (a) and Gibbs free energy of oxidation reaction with temperature (b)

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    Schematic diagram of anti-thermal shock behaviors of coatings
    7. Schematic diagram of anti-thermal shock behaviors of coatings

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    Macroscopic morphology and 3D profile of the coating samples
    8. Macroscopic morphology and 3D profile of the coating samples

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    (a) Variation curves of coating surface temperature with time, (b) mass and thickness loss rates, and (c, d) XRD patterns of P-S (c) and G-S (d) coating samples
    9. (a) Variation curves of coating surface temperature with time, (b) mass and thickness loss rates, and (c, d) XRD patterns of P-S (c) and G-S (d) coating samples

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    Surface morphologies and EDS analyses of C region in coatings after ablation
    10. Surface morphologies and EDS analyses of C region in coatings after ablation

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    Surface morphologies and EDS analyses of T and E regions in coatings after ablation
    11. Surface morphologies and EDS analyses of T and E regions in coatings after ablation

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    Schematic diagram of the anti-ablation behavior of the coating samples
    12. Schematic diagram of the anti-ablation behavior of the coating samples

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    • Table 1. Densities and porosities of coating samples

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      Table 1. Densities and porosities of coating samples

      SampleDensity/(g·cm-3) Porosity/%
      P-S1.807.31
      G-S1.873.92
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    Jiaqi HOU, Ruicong CHEN, Yaoying ZENG, Lei ZHOU, Jiaping ZHANG, Qiangang FU. Thermal Shock and Ablation Resistance of SiC Coating Repaired by Gaseous Silicon Infiltration[J]. Journal of Inorganic Materials, 2025, 40(2): 168

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    Paper Information

    Category:

    Received: Jun. 12, 2024

    Accepted: --

    Published Online: Apr. 24, 2025

    The Author Email: Jiaping ZHANG (zhangjiaping@nwpu.edu.cn)

    DOI:10.15541/jim20240287

    Topics

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