Indentation creep characterization of plasma-sprayed nanostructured La2(Zr0.75Ce0.25)2O7 thermal barrier coatings

Donghui Guo; Feifei Zhou; Baosheng Xu; You Wang

doi:10.1016/j.ceramint.2023.09.071

Indentation creep characterization of plasma-sprayed nanostructured La₂(Zr_0.75Ce_0.25)₂O₇ thermal barrier coatings

Donghui Guo, Feifei Zhou^*, Baosheng Xu, You Wang

^*Corresponding author for this work

Institute of Advanced Structure Technology

Research output: Contribution to journal › Article › peer-review

2 Citations (Scopus)

Abstract

Nano-indentation technology can not only analyze the nano-hardness and elastic modulus, but also extract the creep properties. In the current study, the nanostructured La₂(Zr_0.75Ce_0.25)₂O₇ (LCZ) coating were successfully constructed by atmospheric plasma spraying (APS). Furthermore, the indentation creep characterization of LCZ coating was systematically analyzed by nano-indentation. Results imply that power-law formula can well fit the curve relationship between indentation depth and time in the creep process of LCZ coating. The determined strain rate sensitivity of LCZ coating is 0.0134 ± 0.0045. The study provides support for further research on creep properties of nanostructured LCZ coating in the future.

Original language	English
Pages (from-to)	38382-38385
Number of pages	4
Journal	Ceramics International
Volume	49
Issue number	23
DOIs	https://doi.org/10.1016/j.ceramint.2023.09.071
Publication status	Published - 1 Dec 2023

Keywords

Indentation creep characterization
Nanostructured LCZ coating
Strain rate sensitivity

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10.1016/j.ceramint.2023.09.071

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title = "Indentation creep characterization of plasma-sprayed nanostructured La2(Zr0.75Ce0.25)2O7 thermal barrier coatings",

abstract = "Nano-indentation technology can not only analyze the nano-hardness and elastic modulus, but also extract the creep properties. In the current study, the nanostructured La2(Zr0.75Ce0.25)2O7 (LCZ) coating were successfully constructed by atmospheric plasma spraying (APS). Furthermore, the indentation creep characterization of LCZ coating was systematically analyzed by nano-indentation. Results imply that power-law formula can well fit the curve relationship between indentation depth and time in the creep process of LCZ coating. The determined strain rate sensitivity of LCZ coating is 0.0134 ± 0.0045. The study provides support for further research on creep properties of nanostructured LCZ coating in the future.",

keywords = "Indentation creep characterization, Nanostructured LCZ coating, Strain rate sensitivity",

author = "Donghui Guo and Feifei Zhou and Baosheng Xu and You Wang",

note = "Publisher Copyright: {\textcopyright} 2023 Elsevier Ltd and Techna Group S.r.l.",

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doi = "10.1016/j.ceramint.2023.09.071",

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T1 - Indentation creep characterization of plasma-sprayed nanostructured La2(Zr0.75Ce0.25)2O7 thermal barrier coatings

AU - Guo, Donghui

AU - Zhou, Feifei

AU - Xu, Baosheng

AU - Wang, You

PY - 2023/12/1

Y1 - 2023/12/1

N2 - Nano-indentation technology can not only analyze the nano-hardness and elastic modulus, but also extract the creep properties. In the current study, the nanostructured La2(Zr0.75Ce0.25)2O7 (LCZ) coating were successfully constructed by atmospheric plasma spraying (APS). Furthermore, the indentation creep characterization of LCZ coating was systematically analyzed by nano-indentation. Results imply that power-law formula can well fit the curve relationship between indentation depth and time in the creep process of LCZ coating. The determined strain rate sensitivity of LCZ coating is 0.0134 ± 0.0045. The study provides support for further research on creep properties of nanostructured LCZ coating in the future.

AB - Nano-indentation technology can not only analyze the nano-hardness and elastic modulus, but also extract the creep properties. In the current study, the nanostructured La2(Zr0.75Ce0.25)2O7 (LCZ) coating were successfully constructed by atmospheric plasma spraying (APS). Furthermore, the indentation creep characterization of LCZ coating was systematically analyzed by nano-indentation. Results imply that power-law formula can well fit the curve relationship between indentation depth and time in the creep process of LCZ coating. The determined strain rate sensitivity of LCZ coating is 0.0134 ± 0.0045. The study provides support for further research on creep properties of nanostructured LCZ coating in the future.

KW - Indentation creep characterization

KW - Nanostructured LCZ coating

KW - Strain rate sensitivity

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DO - 10.1016/j.ceramint.2023.09.071

M3 - Article

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VL - 49

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JF - Ceramics International

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Indentation creep characterization of plasma-sprayed nanostructured La₂(Zr_0.75Ce_0.25)₂O₇ thermal barrier coatings

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Keywords

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