Journal of Inorganic Materials, Volume. 40, Issue 4, 425(2025)

High-temperature Water Vapor Corrosion Behaviors of Environmental Barrier Coatings with Yb2O3-modified Silicon Bond Layer

Ruihui LIANG, Xin ZHONG*, Du HONG, Liping HUANG, Yaran NIU, and Xuebin ZHENG
Author Affiliations
  • Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
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    Figures & Tables(10)
    Schematic diagram of water vapor corrosion experiment
    Macroscopic morphologies of different EBCs before and after water vapor corrosion at 1350 ℃
    Cross-sectional micromorphologies of Si/YbDS/YbMS EBCs before and after water vapor corrosion at 1350 ℃
    Cross-sectional micromorphologies of S5Yb/YbDS/YbMS EBCs after water vapor corrosion at 1350 ℃ with inserts in (c) showing corresponding EDS element analysis
    Cross-sectional micromorphologies of S10Yb/YbDS/YbMS EBCs after water vapor corrosion at 1350 ℃
    Cross-sectional micromorphologies of S15Yb/YbDS/YbMS EBCs after water vapor corrosion at 1350 ℃
    Cross-sectional micromorphologies of S20Yb/YbDS/YbMS EBCs after water vapor corrosion at 1350 ℃
    Thickness of TGO and mTGO layers after water vapor corrosion for 100 and 200 h
    Diffusion behavior of corrosive substances in SxYb coating
    • Table 1. EDS element analysis results (%, in atom) for different contrast regions in Fig. 3-Fig. 5

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      Table 1. EDS element analysis results (%, in atom) for different contrast regions in Fig. 3-Fig. 5

      Sample siteSiYbO
      Point 140.30\59.70
      Point 218.4715.5465.99
      Point 330.9511.2857.77
      Point 424.0017.8058.20
      Point 5100.00\\
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    Ruihui LIANG, Xin ZHONG, Du HONG, Liping HUANG, Yaran NIU, Xuebin ZHENG. High-temperature Water Vapor Corrosion Behaviors of Environmental Barrier Coatings with Yb2O3-modified Silicon Bond Layer [J]. Journal of Inorganic Materials, 2025, 40(4): 425

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    Paper Information

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    Received: Sep. 14, 2024

    Accepted: --

    Published Online: Sep. 2, 2025

    The Author Email: Xin ZHONG (zhongxin@mail.sic.ac.cn)

    DOI:10.15541/jim20240411

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