Internal Diameter Atmospheric-Plasma-Sprayed High-Performance YSZ-Based Thermal Barrier Coatings

被引：2
|
作者：
Li, Hongchen [1 ]
Wang, Weize [1 ,2 ]
Yang, Zining [1 ]
Liu, Yangguang [1 ]
Wang, Yihao [1 ]
Liu, Wei [1 ]
机构：
[1] East China Univ Sci & Technol, Key Lab Pressure Syst & Safety, Minist Educ, Shanghai 200237, Peoples R China
[2] Shanghai Inst Aircraft Mech & Control, Shanghai 200092, Peoples R China
来源：
COATINGS | 2023年 / 13卷 / 11期
基金：
中国国家自然科学基金;
关键词：
ID-APS; TBCs; SM F210; thermal shock; erosion; MECHANICAL-PROPERTIES; RETAO4; RE; MICROSTRUCTURE; MULTILAYER; SYSTEMS; STABILITY; ZIRCONIA; BEHAVIOR; EROSION; ALUMINA;
D O I：
10.3390/coatings13111868
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
Thermal barrier coatings (TBCs) play a crucial role in enhancing the operating temperature of key equipment. However, when TBCs are sprayed on the internal surface of these components, there are issues related to the imperfect internal diameter atmospheric plasma spray (ID-APS) process and the unsatisfactory performance of TBCs in internal holes. Yttria-stabilized zirconia (YSZ), YSZ + Gadolinium zirconate (GZ) and YSZ + tantalate (RETaO4) TBCs were prepared using the SM F210 ID-APS gun. The thermal shock and particle erosion resistance of the coatings were compared, and the relationship between the structure and properties was investigated. The results show that the hardness, fracture toughness and erosion resistance of the three coatings are the largest in the YSZ coating and the smallest in the GZ coating. YSZ coating also has the best thermal shock resistance. These research findings have important guiding significance for the improvement of the ID-APS process.
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页数：13
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