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    Finite element simulation on thermal fatigue of a turbine blade with thermal barrier coatings

    Access Status
    Fulltext not available
    Authors
    Yang, Li
    Liu, Qixing
    Zhou, Yi-Chun
    Mao, Weiguo
    Lu, Chunsheng
    Date
    2014
    Type
    Journal Article
    
    Metadata
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    Citation
    Yang, Li and Liu, Qixing and Zhou, Yi-Chun and Mao, Weiguo and Lu, Chunsheng. 2014. Finite element simulation on thermal fatigue of a turbine blade with thermal barrier coatings. Journal of Materials Science and Technology. 30 (4): pp. 371-380.
    Source Title
    Journal of Materials Science and Technology
    DOI
    10.1016/j.jmst.2013.11.005
    ISSN
    1005-0302
    URI
    http://hdl.handle.net/20.500.11937/17397
    Collection
    • Curtin Research Publications
    Abstract

    In this paper, a finite element model was developed for a turbine blade with thermal barrier coatings to investigate its failure behavior under cyclic thermal loading. Based on temperature and stress fields obtained from finite element simulations, dangerous regions in ceramic coating were determined in terms of the maximum principal stress criterion. The results show that damage preferentially occurs in the chamfer and rabbet of a turbine blade with thermal barrier coatings and its thermal fatigue life decreases with the increase of thermal stress induced by high service temperature.

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