Corrosion behavior and failure mechanism of SiC whisker and c-AlPO_4 particle-modified novel tri-layer Yb_2Si_2O_7/mullite/SiC coating in burner rig tests

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成果类型：

期刊论文

作者：

Chen, Pengju;Xiao, Peng;Tang, Xian;Li, Yang

通讯作者：

Yang Li

作者机构：

[Chen, Pengju; Tang, Xian] Univ South China, Sch Nucl Sci & Technol, Hengyang 421001, Peoples R China.

[Xiao, Peng; Li, Yang] Cent South Univ, Powder Met Res Inst, Changsha 410083, Peoples R China.

[Li, Yang] Cent South Univ, Nat Key Lab Sci & Technol High Strength Struct Ma, Changsha 410083, Peoples R China.

通讯机构：

[Yang Li] P

Powder Metallurgy Research Institute, Central South University, Changsha, China<&wdkj&>National Key Laboratory of Science and Technology on High-strength Structural Materials, Central South University, Changsha, China

语种：

英文

关键词：

Aluminum corrosion;Ceramic matrix composites;Composite coatings;Corrosion prevention;Corrosion resistant coatings;Corrosive effects;Crystal whiskers;Failure (mechanical);High temperature corrosion;Silicon carbide;Sol-gels;Ytterbium compounds;Barrier coatings;Burner rig test;Ceramic-matrix-composites;Corrosion behaviour;Corrosion failures;Failure mechanism;Silicon carbide coatings;Silicon carbide whisker;Sol'gel;Trilayers;Mullite

期刊：

先进陶瓷(英文)

ISSN：

2226-4108

年：

2022

卷：

期：

页码：

1901-1917

DOI：

10.1007/s40145-022-0655-6

基金类别：

This work was funded by the National Key R&D Program of China (Grant Nos. 2021YFB3703800 and 2021YFB3703802), National Natural Science Foundation of China (Grant No. 52102122), National Key Laboratory of Science and Technology on High-strength Structural Materials, Central South University (Grant No. SYSJJ2021LWS01), and China Postdoctoral Science Foundation (Grant No. 2022M711540).

机构署名：

本校为第一机构

院系归属：

核科学技术学院

摘要：

The corrosion behavior of environmental barrier coatings (EBCs) directly affects the service life and stability of ceramic matrix composite (CMC) structural parts in the aero-engines. The silicon carbide (SiC) whisker toughening phase and c-AlPO4 bonding phase are firstly used to improve the service life of novel tri-layer Yb2Si2O7/mullite/SiC EBCs in the burner rig test. The formation of penetrating cracks in Yb2Si2O7/mullite/SiC coating caused the failure of coating at 1673 K. The SiC whiskers in mullite middle coating significantly inhibited...

摘要(中文)：

The corrosion behavior of environmental barrier coatings(EBCs)directly affects the service life and stability ...展开更多 The corrosion behavior of environmental barrier coatings(EBCs)directly affects the service life and stability of ceramic matrix composite(CMC)structural parts in the aero-engines.The silicon carbide(SiC)whisker toughening phase and c-AlPO4 bonding phase are firstly used to improve the service life of novel tri-layer Yb2Si2O7/mullite/SiC EBCs in the burner rig test.The formation of penetrating cracks in Yb2Si2O7/mullite/SiC c...

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Corrosion behavior and failure mechanism of SiC whisker and c-AlPO_4 particle-modified novel tri-layer Yb_2Si_2O_7/mullite/SiC coating in burner rig tests

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