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X-Ray Residual Stress Measurement and Strength Evaluation of Ceramic Coating

Research Project

Project/Area Number 03452103
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field 機械材料工学
Research InstitutionNagoya University

Principal Investigator

TANAKA Keisuke  Nagoya University, Faculty of Engineering, Professor, 工学部, 教授 (80026244)

Co-Investigator(Kenkyū-buntansha) HOSHIDE Toshihiko  Kyoto University, Faculty of Engineering, Associate Professor, 工学部, 助教授 (80135623)
Project Period (FY) 1991 – 1992
Project Status Completed (Fiscal Year 1992)
Budget Amount *help
¥6,700,000 (Direct Cost: ¥6,700,000)
Fiscal Year 1992: ¥2,000,000 (Direct Cost: ¥2,000,000)
Fiscal Year 1991: ¥4,700,000 (Direct Cost: ¥4,700,000)
KeywordsX-ray stress measurement / Ceramic coating / Residual stress / Texture / Vickers indentation / Strength / Fracture toughness / Thermal stress / セラミックコ-ティング / ビッカ-ス硬さ
Research Abstract

1. For alumina detonation coating, the relation between the diffraction angle 2theta and sin^2psi was linear and had no systematic non-linearity. The elastic modulus of coating changed depending on detonation condition and was smaller than that of the bulk solid because of porosity. The residual stress measured was tension and distributed uniformly in the coated film.
2. TiC thin films were coated on various substrates by the CVD method. The measured residual stress was slightly more compressive than the residual stress predicted from the difference in the coefficient of thermal expansion (CTE) between coating and substrates. This difference is due to intrinsic stresses.
3. The residual stress in TiC-SiC composite films coated on graphite substrates by the CVD method was measured with X-rays by separating overlapped diffraction profiles. The residual stress in the composite film showed a triaxial stress state. The magnitude of the out-of-plane stress sigma_3 was on the same order of the in-plane stresses sigma_1 and sigma_2.
4. Fracture toughness of TiC-SiC composite film was measured by the indentation microfracture test. The fracture toughness of composites was much larger than that of monolithic coating because of crack deflection. This deflection was caused by the phase stresses with different signs.
5. The texture was highly developed in TiC film coated by the PVD method, and so the conventional sin^2psi method is inapplicable. The 220 plane normal was perpendicular to the film surface.
6. A new method for predicting the effect of small defects on the fracture strength of ceramics was pro- posed on the basis of the R-curve method.

Report

(3 results)
  • 1992 Annual Research Report   Final Research Report Summary
  • 1991 Annual Research Report
  • Research Products

    (23 results)

All Other

All Publications (23 results)

  • [Publications] Keisuke Tanaka: "X-Ray Elastic Constants and Residal Stress of Alumina Detonation Coating on Steels" Residual Stress-III. 1. 704-709 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 河合 千尋: "CVD法により合成したTiC-SiC系複合材料の破壊靭性と高靭化機構" 日本セラミックス協会論文集. 100. 835-840 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 田中 啓介: "表面処理層の内部応力" 表面技術. 43. 624-629 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka: "X-Ray Measurement of Residual Stress on TiC Coatings by CVD Method" Proceedings of Inter.Symp.Nondestructive Testing and Stress-Strain Measurement. 2. 401-411 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka: "Evaluation of Critical Defect Size of Ceramics Based on R-Curve Method" Fracture Mechanics of Ceramics. 9. 289-304 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 鈴木 賢治: "CVD法によるTiC-SiC系被覆膜の残留応力" 日本機械学会論文集(A編). 58. 2172-2178 (1992)

    • Description
      「研究成果報告書概要(和文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka, Kenji Suzuki and Ryoichi Kawase: "X-Ray Elastic Constants and Residual Stress of Alumina Detonation Coating on Steels" Residual Stress III. Vol. 1. 704-709 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Chihiro Kawai, Kenji Suzuki and Keisuke Tanaka: "Fracture Toughness of TiC-SiC Composites Fabricated by CVD and the Mechanism of Toughening" J. Ceramic Soci. Jpn. 100-6. 835-840 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka: "Internal Stresses in Surface Treated Layers" J. Surface Finishing Soci.100-6. 835-840 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka and Motoyasu Matsui: "X-Ray Measurement of Residual Stress of TiC Coatings by CVD Method" Proc. Inter. Symp. Nondestructive Testing and Stress-Strain Measurement. Vol. 2. 404-411 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Keisuke Tanaka, Kenji Suzuki and Hiroshi Tanaka: "Evaluation of Critical Defect Size of Ceramics Based on R-Curve Method" Fracture Mechanics of Ceramics. Vol. 9. 289-304 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] Kenji Suzuki, Keisuke Tanaka and Chihiro Kawai: "Residual Stress of TiC-SiC Composite Film Coated by Chemical Vapor Deposition" Trans. Jpn Soci. Mech. Eng.58-555. 2172-2178 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
    • Related Report
      1992 Final Research Report Summary
  • [Publications] 河合 千尋: "CVD法による合成したTiCーSiC系複合材料の破壊靭性と高靭化機構" 日本セラミックス協会論文集. 100. 835-840 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 田中 啓介: "表面処理層の内部応力" 表面技術. 43. 624-629 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 田中 啓介: "CVD法で被覆したTiC膜のX線残留応力測定と強度評価" 日本機械学会講演論文集. 920-78. 431-433 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Keisuke Tanaka: "X-Ray Measurement of Residual Stress on TiC Coatings by CVD Method" Proceedings of Inter.Symp.Nondestructive Testing and Stress-Strain Measurement. 2. 401-411 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] Keisuke Tanaka: "Evaluation of Critical Defect Size of Ceramics Based on R-Curve Method" Fracture Mechanics of Ceramics. 9. 289-304 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 鈴木 賢治: "CVD法によるTiCーSiC系被覆膜の残留応力" 日本機械学会論文集(A編). 58. 2172-2178 (1992)

    • Related Report
      1992 Annual Research Report
  • [Publications] 田中 啓介: "爆発溶射アルミナ被膜のX線残留応力測定" 材料. 40. 96-101 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 賢治: "セラミックコ-ティング膜のX線応力測定" 日本材料学会第40期学術講演会論文集. 360-362 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 賢治: "CVDコ-ティング膜の残留応力" 日本機械学会第69期全国大会講演論文集. 43-45 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 鈴木 賢治: "CVD法によるTiC,SiC被覆膜の残留応力測定" 日本材料学会第28回X線材料強度に関する講演会講演論文集. 33-39 (1991)

    • Related Report
      1991 Annual Research Report
  • [Publications] 田中 啓介: "X線回折法によるセラミックス複合材および被覆材の残留応力測定" 日本機械学会関西支部第67期学術講演会発表.

    • Related Report
      1991 Annual Research Report

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Published: 1991-04-01   Modified: 2016-04-21  

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