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Failure analysis based on microstructural features of thermal barrier coatings under creep and fatigue loadings

Research Project

Project/Area Number 22560703
Research Category

Grant-in-Aid for Scientific Research (C)

Allocation TypeSingle-year Grants
Section一般
Research Field Structural/Functional materials
Research InstitutionTokyo Metropolitan University

Principal Investigator

TAKAHASHI Satoru  首都大学東京, 大学院・理工学研究科, 准教授 (80260785)

Project Period (FY) 2010 – 2012
Project Status Completed (Fiscal Year 2012)
Budget Amount *help
¥4,420,000 (Direct Cost: ¥3,400,000、Indirect Cost: ¥1,020,000)
Fiscal Year 2012: ¥780,000 (Direct Cost: ¥600,000、Indirect Cost: ¥180,000)
Fiscal Year 2011: ¥650,000 (Direct Cost: ¥500,000、Indirect Cost: ¥150,000)
Fiscal Year 2010: ¥2,990,000 (Direct Cost: ¥2,300,000、Indirect Cost: ¥690,000)
Keywords遮熱コーティング / その場観察 / 損傷解析 / 高温材料 / 溶射
Research Abstract

An in-situ observation apparatus of failure behavior of thermal barrier coating (TBC) was developed and crack initiation sites and the crack propagation behavior in connection with the microstructure of TBCs under creep and fatigue loadingswas investigated. The failure behavior was found to depend strongly on the loading conditions and the microstructure of TBC. Under static creep loadings, the TBC exhibited the typical creep rupture behavior regardless of the top-coat microstructure. Under dynamic fatigue loadings, on the other hand, many fatigue cracks initiated not only from the tips of segmentation cracks in the top-coat but also from the top-coat/bond-coatinterface. Furthermore, the spalling resistance of TBC was investigated and the multifactor evaluation method of TBC under various loadings was proposed.

Report

(4 results)
  • 2012 Annual Research Report   Final Research Report ( PDF )
  • 2011 Annual Research Report
  • 2010 Annual Research Report
  • Research Products

    (10 results)

All 2013 2012 2011 2010 Other

All Journal Article (2 results) (of which Peer Reviewed: 2 results) Presentation (8 results)

  • [Journal Article] プラズマ溶射遮熱コーティングのクリープおよび疲労損傷挙動のその場観察2010

    • Author(s)
      高橋 智、原田良夫
    • Journal Title

      日本機械学会論文集A編

      Volume: 76巻767号 Pages: 64-70

    • Related Report
      2012 Final Research Report
    • Peer Reviewed
  • [Journal Article] プラズマ溶射遮熱コーティングのクリープおよび疲労損傷挙動のその場観察2010

    • Author(s)
      高橋智, 原田良夫
    • Journal Title

      日本機械学会論文集 A編

      Volume: 76巻767号 Pages: 64-70

    • Related Report
      2010 Annual Research Report
    • Peer Reviewed
  • [Presentation] 遮熱コーティングの引張損傷挙動のその場観察2013

    • Author(s)
      原田知尚、高橋 智、荒井正行、水津竜夫
    • Organizer
      日本機械学会関東支部第19期総会講演会
    • Place of Presentation
      東京(首都大学東京)
    • Year and Date
      2013-03-16
    • Related Report
      2012 Final Research Report
  • [Presentation] In-situ observation of failure behavior for plasma sprayed thermal barrier coating under mechanical bending loading2012

    • Author(s)
      Tomoyuki Nagaya,Satoru Takahashi
    • Organizer
      The 5thAsian Thermal Spray Conference (ATSC 2012)
    • Place of Presentation
      茨城(つくばコンベンションセンター)
    • Year and Date
      2012-11-26
    • Related Report
      2012 Final Research Report
  • [Presentation] 遮熱コーティングシステムのクリープおよび疲労損傷挙動のその場観察2012

    • Author(s)
      原田知尚、高橋 智
    • Organizer
      日本機械学会関東学生会第51回学生員卒業研究発表講演会
    • Place of Presentation
      千葉(日本大学)
    • Related Report
      2012 Final Research Report
  • [Presentation] 遮熱コーティングシステムのクリープおよび疲労損傷挙動のその場観察2012

    • Author(s)
      原田知尚, 高橋智
    • Organizer
      日本機械学会関東学生会第51回学生員卒業研究発表講演会
    • Place of Presentation
      千葉,日本大学
    • Related Report
      2011 Annual Research Report
  • [Presentation] Thermal shock resistance of plasma-sprayed thermal barrier coatings2011

    • Author(s)
      Satoru Takahashi, Naoto Hirano
    • Organizer
      International Thermal Spray Conference (ITSC) 2011
    • Place of Presentation
      ドイツ(ハンブルグ)
    • Related Report
      2012 Final Research Report
  • [Presentation] Thermal Shock Resistance of Plasma-Sprayed Thermal Barrier Coatings2011

    • Author(s)
      Satoru Takahashi
    • Organizer
      Int'l Thermal Spray Conference (ITSC) 2011
    • Place of Presentation
      ドイツ,ハンブルグ
    • Related Report
      2011 Annual Research Report
  • [Presentation] In-situ observation of failure behavior for plasma sprayed thermal barrier coating under mechanical bending loadings

    • Author(s)
      Tomoyuki Nagaya, Satoru Takahashi
    • Organizer
      The 5th Asian Thermal Spray Conference (ATSC 2012)
    • Place of Presentation
      茨城、つくばコンベンションセンター
    • Related Report
      2012 Annual Research Report
  • [Presentation] 遮熱コーティングの引張損傷挙動のその場観察

    • Author(s)
      原田知尚、高橋 智、荒井正行、水津竜夫
    • Organizer
      日本機械学会関東支部第19期総会講演会
    • Place of Presentation
      東京、首都大学東京
    • Related Report
      2012 Annual Research Report

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Published: 2010-08-23   Modified: 2019-07-29  

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