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

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

China Mechanical Engineering ›› 2022, Vol. 33 ›› Issue (12): 1459-1467.DOI: 10.3969/j.issn.1004-132X.2022.12.007

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

DONG Lin1;YANG Guanjun1;ZHANG Xiaofeng2; LIU Meijun1;ZHOU Kesong2;LI Pu3;ZHU Changfa4;XU Xiangyi5;LIU Kun4

1.School of Materials Science and Engineering,Xi‘an Jiaotong University，Xi’an，710049
2.Institute of New Materials,Guangdong Academy of Science，Guangzhou，510650
3.AECC Hunan Aviation Powerplant Research Institute，Zhuzhou，Hunan，412002
4.Xian Aerospace Engine Co.，Ltd.，Xi‘an，710061
5.The Eighth Military Representative of Equipment Department of the PLA Air Force Office in Xi’an，Xi‘an，710000

Online:2022-06-25 Published:2022-07-07

抗水氧腐蚀致密环境障涂层研究进展

董琳1;杨冠军1;张小锋2;刘梅军1;周克崧2;李璞3;朱昌发4;徐向毅5;刘坤4

1.西安交通大学材料科学与工程学院，西安，710049
2.广东省科学院新材料研究所，广州，510650
3.中国航发湖南动力机械研究所，株洲，412002
4.西安航天发动机有限公司，西安，710061
5.空军装备部驻西安地区军事代表局第八军事代表室，西安，710000

通讯作者: 刘梅军（通信作者），男，1987年生，教授、博士研究生导师。研究方向为高温防护涂层、仿生微结构设计、制造及应用。发表论文20余篇。E-mail：liumjun@mail.xjtu.edu.cn。
作者简介:董琳，女，1988年生，博士研究生。研究方向为高温防护涂层、环境障涂层的制备和性能强化。发表论文8篇。E-mail：donglin1207@126.com。
基金资助:
中国航空发动机集团产学研合作项目（HFZL2019CXY015）

Abstract

Abstract: 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.

Key words: densification, water vapor corrosion, environmental barrier coating(EBC), ceramic matrix composite(CMC)

摘要： 环境障涂层（EBCs）涂敷在碳化硅陶瓷基复合材料（SiC-CMCs）表面，能够有效隔绝发动机腐蚀环境，避免基体的快速腐蚀失效，成为SiC-CMCs材料在航空航天发动机热端部件应用的关键。然而，涂层内不可避免地存在贯通孔隙，导致EBCs在发动机高温水氧环境下快速腐蚀失效。从EBCs材料特性、制备工艺及工艺参数等方面总结了国内外研究进展，阐述了孔隙结构对涂层抗高温水氧腐蚀性能的影响规律，分析了等离子体法制备的涂层中孔隙的形成机制，总结了提高涂层致密性的方法，并展望了获得高抗水氧腐蚀的致密EBCs的后续重点研究方向。

关键词: 致密化, 水氧腐蚀, 环境障涂层, 陶瓷基复合材料

CLC Number:

TB304

DONG Lin, YANG Guanjun, ZHANG Xiaofeng, LIU Meijun, ZHOU Kesong, LI Pu, ZHU Changfa, XU Xiangyi, LIU Kun. Research Progresses of Dense Environmental Barrier Coatings with High Water Vapor Corrosion Resistance[J]. China Mechanical Engineering, 2022, 33(12): 1459-1467.

董琳, 杨冠军, 张小锋, 刘梅军, 周克崧, 李璞, 朱昌发, 徐向毅, 刘坤. 抗水氧腐蚀致密环境障涂层研究进展[J]. 中国机械工程, 2022, 33(12): 1459-1467.

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

抗水氧腐蚀致密环境障涂层研究进展

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