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张宝鹏,于新民,刘伟,霍鹏飞,金鑫.等离子蒸发沉积热障涂层抗CMAS附着研究进展[J].稀有金属材料与工程(英文),2020,49(10):3646~3652.[Zhang Baopeng,Yu Xinmin,Liu Wei,Huo Pengfei and Jin Xin.Research Status on Plasma Spray-Physical Vapor Deposited Thermal Barrier Coatings against the Adhesion of Molten CMAS Deposits[J].Rare Metal Materials and Engineering,2020,49(10):3646~3652.]
Research Status on Plasma Spray-Physical Vapor Deposited Thermal Barrier Coatings against the Adhesion of Molten CMAS Deposits
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Received:October 25, 2019  Revised:December 31, 2019
DOI:
Key words: Plasma spray-physical vapor deposition  Thermal barrier coatings  CMAS  YSZ  Adhesion
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Author NameAffiliation
Zhang Baopeng,Yu Xinmin,Liu Wei,Huo Pengfei and Jin Xin  
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Abstract:
      Due to the increasing demand for higher operating temperatures in gas turbine engines, a reliability problem has emerged on TBCs by the attack of calcium-magnesium-alumino-silicate (CMAS) deposits. These contaminants yield glassy melts adhering to the TBC surface at high temperatures, followed by infiltrating and interacting into/with TBC, which result in its severe degradation and premature failure. The adhesion of molten CMAS and the protection methods are hot and difficult points in the field of thermal barrier coatings. In this paper, the latest research results on CMAS adhesion, infiltration and corrosion resistance of plasma spray-physical vapor deposited thermal barrier coatings are reviewed. The approaches for developing corrosion-resistant TBCs were proposed.