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2025, 02, v.17 1-18
热障涂层的CMAS腐蚀与防护研究进展
基金项目(Foundation): 国家自然科学基金资助项目(52302054)
邮箱(Email): dyhe@bjut.edu.cn;
DOI: 10.20240/j.rptjs.2025.02.001
发布时间: 2025-08-04
出版时间: 2025-08-04
网络发布时间: 2025-08-04
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摘要:

随着航空工业的不断发展,航空发动机性能逐渐提高,发动机涡轮前进口温度也不断提高,为改善涡轮叶片在高温下的服役性能,热障涂层(Thermal Barrier Coatings,TBCs)得到了广泛应用。然而,随着日益复杂的运行环境,TBCs表面的CMAS腐蚀问题日趋严峻,为解决这一问题,国内外学者从各个角度对CMAS腐蚀问题进行了大量研究,并提出了一系列的改进方法。基于目前国内外在TBCs的CMAS腐蚀问题上取得的研究进展,概述了CMAS问题的起源,介绍了CMAS的物相组成、结晶特征、黏度等特性,随后分析了CMAS作用于TBCs上的腐蚀机理,并从表面防护层制备、YSZ材料改性、新材料设计和仿生结构构筑四个方面介绍了当前CMAS腐蚀防护方法的最新研究进展。最后对超高温下TBCs抗CMAS腐蚀的研究方向进行了展望。

Abstract:

With the development of the aviation industry,the performance of aviation engines has been gradually improved,and the inlet temperature of the engine turbine front has also been increasing,to enhance the service performance of turbine blades at high Temperature,Thermal Barrier Coatings(TBCs) has been widely used.However,with the increasingly complex operating environment,the CMAS corrosion problem on the surface of TBCs is becoming more and more serious.To solve this problem,scholars at home and abroad have carried out a lot of research on CMAS corrosion from various perspectives and proposed a series of improvement methods.Based on the current domestic and international research progress on CMAS corrosion on TBCs,the origin of the CMAS problem was outlined,the physical composition,crystalline characteristics,viscosity and other characteristics of CMAS were introduced,and then the corrosion mechanism of CMAS on TBCs was analyzed,and the latest research progress of protection methods for CMAS corrosion problems were introduced from four aspects:surface protective layer preparation,YSZ material modification,new material design and biomimetic structure construction.Finally,the development direction to improve the resistance of TBCs to CMAS corrosion at ultra-high temperatures was prospected.

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基本信息:

DOI:10.20240/j.rptjs.2025.02.001

中图分类号:TG174.4

引用信息:

[1]罗敏,吴杨,郭磊,等.热障涂层的CMAS腐蚀与防护研究进展[J].热喷涂技术,2025,17(02):1-18.DOI:10.20240/j.rptjs.2025.02.001.

基金信息:

国家自然科学基金资助项目(52302054)

发布时间:

2025-08-04

出版时间:

2025-08-04

网络发布时间:

2025-08-04

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GB/T 7714-2015 格式引文
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