Research Progresses of Dense Environmental Barrier Coatings with High Water Vapor Corrosion Resistance

被引：0

作者：

Dong L. ^{[1
]}

Yang G. ^{[1
]}

Zhang X. ^{[2
]}

Liu M. ^{[1
]}

Zhou K. ^{[2
]}

Li P. ^{[3
]}

Zhu C. ^{[4
]}

Xu X. ^{[5
]}

Liu K. ^{[4
]}

机构：

[1] School of Materials Science and Engineering, Xi'an Jiaotong University, Xi'an

[2] Institute of New Materials, Guangdong Academy of Science, Guangzhou

[3] AECC Hunan Aviation Powerplant Research Institute, Zhuzhou

[4] Xi'an Aerospace Engine Co., Ltd., Xi'an

[5] The Eighth Military Representative of Equipment Department of the PLA Air Force Office in Xi'an, Xi'an

来源：

Zhongguo Jixie Gongcheng/China Mechanical Engineering | 2022年 / 33卷 / 12期

关键词：

Ceramic matrix composite(CMC); Densification; Environmental barrier coating(EBC); Water vapor corrosion;

D O I：

10.3969/j.issn.1004-132X.2022.12.007

中图分类号：

学科分类号：

摘要：

EBCs were coated on the surfaces of SiC-CMCs to effectively isolate the engine corrosive environment and avoid rapid corrosion failure of the components, which become the key for the applications of SiC-CMCs to hot section components of gas turbine engines. However, interconnected pores were formed in coatings, causing rapid degradation in a combustion environment containing high-temperature water vapor and oxygen. The research progresses of the effects of EBCs materials properties, preparation technologies, and processing parameters on the pore structure were summarized. The effects of pore structure on the water vapor corrosion resistance was analyzed, and the research progresses of EBCs densification were summarized. Finally, future research on the preparation of dense EBCs to improve their water vapor resistance was prospected. © 2022, China Mechanical Engineering Magazine Office. All right reserved.

引用

页码：1459 / 1467

页数：8

共 30 条

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