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Journal of Inorganic Materials, Volume. 37, Issue 4, 467(2022)

Effects of Residual Stresses on Strength and Crack Resistance in ZrO2 Ceramics with Alumina Coating

Haiyan LI1...2, Hongjian HAO1,2, Yuan TIAN1,2, Changan WANG3, Yiwang BAO1,2,*, and Detian WAN12,* |Show fewer author(s)
Author Affiliations
  • 11. China Building Material Test & Certification Group Co., Ltd, Beijing 100024, China
  • 22. State Key Laboratory of Green Building Materials, China Building Materials Academy, Beijing 100024, China
  • 33. State Key Laboratory of New Ceramics and Fine Processing, School of Materials Science and Engineering, Tsinghua University, Beijing 100084, China
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    (a) Schematic diagram of the ACZS pre-stressed ceramics; (b) SEM image of interface between ZrO2 substrate and Al2O3 coating
    1. (a) Schematic diagram of the ACZS pre-stressed ceramics; (b) SEM image of interface between ZrO2 substrate and Al2O3 coating

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    (a) Typical Vickers indentation of ZrO2 ceramics; (b) Optical photograph of the indentation morphology for ZrO2 ceramics without residual stress
    2. (a) Typical Vickers indentation of ZrO2 ceramics; (b) Optical photograph of the indentation morphology for ZrO2 ceramics without residual stress

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    Optical photographs of the indentation morphologies for ACZS pre-stressed ceramics with different ratios of the cross-sectional areas, showing the effects of the compressive stresses in the coating and tensile stresses in the substrate
    3. Optical photographs of the indentation morphologies for ACZS pre-stressed ceramics with different ratios of the cross-sectional areas, showing the effects of the compressive stresses in the coating and tensile stresses in the substrate

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    Stress state and Vickers indentation of ACZS pre-stressed ceramics hs and hc: the thicknesses of substrate and coating
    4. Stress state and Vickers indentation of ACZS pre-stressed ceramics hs and hc: the thicknesses of substrate and coating

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    Calculated residual stress in the Al2O3 coating and ZrO2 substrate of ACZS pre-stressed ceramics, as the function of the ratio of cross-sectional area of ZrO2 substrate to Al2O3 coating
    5. Calculated residual stress in the Al2O3 coating and ZrO2 substrate of ACZS pre-stressed ceramics, as the function of the ratio of cross-sectional area of ZrO2 substrate to Al2O3 coating

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    SEM images of the fracture surfaces for monolithic ZrO2 ceramics (a, b) and ZrO2 substrate of ACZS pre-stressed ceramics (c, d) fabricated by the hot-pressing sintering method
    6. SEM images of the fracture surfaces for monolithic ZrO2 ceramics (a, b) and ZrO2 substrate of ACZS pre-stressed ceramics (c, d) fabricated by the hot-pressing sintering method

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    Residual strength of ACZS pre-stressed ceramics and ZrO2 ceramics, after quenching at different thermal shock temperatures
    7. Residual strength of ACZS pre-stressed ceramics and ZrO2 ceramics, after quenching at different thermal shock temperatures

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    • Table 1.

      Parameters used in formulas and the results of the experiment and simulation

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      Table 1.

      Parameters used in formulas and the results of the experiment and simulation

      Elasticity modulus, E/GPa p/N a/μm c/μm HV/GPa KI, IFR/(MPa·m1/2)
      ZrO2ZrO222019.6226.8035.2012.669.10
      ACZS with 40 μm coating Al2O3-40 3504.9111.2547.5017.981.52
      ZrO2-40 22019.6226.1636.8813.288.33
      ACZS with 30 μm coating Al2O3-30 3504.9111.0944.3818.491.67
      ZrO2-30 22019.6226.0836.0513.378.59
      ACZS with 20 μm coating Al2O3-20 3504.9110.9425.0019.023.89
      ZrO2-20 22019.6226.0135.8713.448.64
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    Haiyan LI, Hongjian HAO, Yuan TIAN, Changan WANG, Yiwang BAO, Detian WAN. Effects of Residual Stresses on Strength and Crack Resistance in ZrO2 Ceramics with Alumina Coating [J]. Journal of Inorganic Materials, 2022, 37(4): 467

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    Paper Information

    Category: RESEARCH LETTER

    Received: Jul. 1, 2021

    Accepted: --

    Published Online: Jan. 10, 2023

    The Author Email: BAO Yiwang (ywbao@ctc.ac.cn), WAN Detian (dtwan@ctc.ac.cn)

    DOI:10.15541/jim20210412

    Topics

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