Journal of Inorganic Materials, Volume. 36, Issue 11, 1185(2021)

Bending Failure Mechanism Study of Si-Cr-Ti High Temperature Oxidation Resistance Coating via Acoustic Emission Technique

Yachen ZHANG1...2, Jia MENG1,*, Kun CAI3, Xiaochen SHENG1, Jun LE1, and Lixin SONG12,* |Show fewer author(s)
Author Affiliations
  • 11. Key Laboratory of Inorganic Coating Materials CAS, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 201899, China
  • 22. School of Physical Science and Technology (SPST), ShanghaiTech University, Shanghai 201210, China
  • 33. Beijing Institute of Control Engineering, China Academy of Space Technology, Beijing 100080, China
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    Figures & Tables(11)
    Schematic diagram of the bending specimen
    SEM image of cross-section of high temperature oxidation resistance coating
    Four stages of stress-strain curves and acoustic emission events with time in three-point bending experiments
    Calculated results of DBI with change of k
    Clustering result of acoustic emission signal
    SEM images of specimen
    Frequency spectra of the AE signal from (a) surface vertical cracks, (b) substrate deformation, (c) opening interface cracks, and (d) sliding interface cracks
    Wavelet energy spectra of the AE signal from (a) surface vertical cracks, (b) substrate deformation, (c) opening interface cracks, and (d) sliding interface cracks
    Linear fit results for a set of data
    Evaluation of b value of 4 types AE signals with time
    Schematic diagram of failure mechanism
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    Yachen ZHANG, Jia MENG, Kun CAI, Xiaochen SHENG, Jun LE, Lixin SONG. Bending Failure Mechanism Study of Si-Cr-Ti High Temperature Oxidation Resistance Coating via Acoustic Emission Technique [J]. Journal of Inorganic Materials, 2021, 36(11): 1185

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    Paper Information

    Category: RESEARCH ARTICLE

    Received: Jan. 18, 2021

    Accepted: --

    Published Online: Dec. 20, 2021

    The Author Email: MENG Jia (jiameng@mail.sic.ac.cn), SONG Lixin (lxsong@mail.sic.ac.cn)

    DOI:10.15541/jim20210032

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