等离子喷涂-物理气相沉积高温防护涂层研究进展
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摘要
等离子喷涂-物理气相沉积(PS-PVD)是基于低压等离子喷涂发展起来的一种新型多功能薄膜及涂层制备技术。由于其独特的等离子射流特征,可实现气液固多相涂层沉积,获得非视线沉积。文中首先介绍了国内外PS-PVD技术等离子体数值模拟和在线检测技术的研究现状,其次讨论了PS-PVD羽-柱状结构热障涂层的形成机制及与传统热障涂层在热导率、抗冲蚀等性能方面的差异,阐述了PS-PVD技术制备环境障涂层的研究进展,最后对PS-PVD技术沉积高温防护涂层的优势和存在的问题进行了总结。
Plasma spray-physical vapor deposition(PS-PVD) is a new multifunctional film and coating preparation technology developed based on low pressure plasma spraying, including plasma spray-physical vaper deposition technology, plasma spray-thin film technology and plasma spray-chemical vapor deposition technology. PS-PVD technology fills the gap between traditional physical vapor deposition technology and thermal spray technology, and brings the two technologies together. By varying the spray process parameters, coatings of different structures can be obtained. PS-PVD technology also has non-lineof-sight deposition characteristics, and its unique plasma jet characteristics allow the coating material to evaporate in the jet and deposit the gas phase particles under the jet. The research status of PS-PVD technology at home and abroad was introduced, and the difference between PS-PVD coating and traditional thermal barrier coating and its non-line-of-sight deposition characteristics were discussed. Currently, PS-PVD technology has also been applied to the preparation of environmental barrier coatings, simultaneously in the direction of preparing electrolyte layers for solid oxide fuel cells.
Plasma spray-physical vapor deposition(PS-PVD) is a new multifunctional film and coating preparation technology developed based on low pressure plasma spraying, including plasma spray-physical vaper deposition technology, plasma spray-thin film technology and plasma spray-chemical vapor deposition technology. PS-PVD technology fills the gap between traditional physical vapor deposition technology and thermal spray technology, and brings the two technologies together. By varying the spray process parameters, coatings of different structures can be obtained. PS-PVD technology also has non-lineof-sight deposition characteristics, and its unique plasma jet characteristics allow the coating material to evaporate in the jet and deposit the gas phase particles under the jet. The research status of PS-PVD technology at home and abroad was introduced, and the difference between PS-PVD coating and traditional thermal barrier coating and its non-line-of-sight deposition characteristics were discussed. Currently, PS-PVD technology has also been applied to the preparation of environmental barrier coatings, simultaneously in the direction of preparing electrolyte layers for solid oxide fuel cells.
引文
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[12]SCHULZ U,SARUHAN B,FRITSCHER K,et al.Review on advanced EB-PVD ceramic topcoats for TBC applications[J].International Journal of Applied Ceramic Technology,2010,1(4):302-315.
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[16]WOLFE D E,SINGH J,MILLER R A,et al.Tailored microstructure of EB-PVD 8YSZ thermal barrier coatings with low thermal conductivity and high thermal reflectivity for turbine applications[J].Surface&Coatings Technology,2005,190(1):132-149.
[17]NIESSEN K V,GINDRAT M,REFKE A.Vapor phase deposition using plasma spray-PVDTM[J].Journal of Thermal Spray Technology,2010,19(1-2):502-509.
[18]HOSPACH A,MAUER G,VA?EN R,et al.Columnarstructured thermal barrier coatings(TBCs)by thin film lowpressure plasma spraying(LPPS-TF)[J].Journal of Thermal Spray Technology,2011,20(1-2):116-120.
[19]HARDER B.PS-PVD processing varies coating architecture with processing parameters[J].Advanced Materials&Processes,2011,169(8):49-51.
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[22]HOSPACH A,VA?EN R,ST?VER D.Characteristics of ceramic coatings made by thin film low pressure plasma spraying(LPPS-TF)[J].Journal of Thermal Spray Technology,2012,21(3-4):435-440.
[23]VA?EN R,MAUER G.Plasma spray-PVD:plasma characteristics and impact on coating properties[C].Journal of Physics Conference Series.Journal of Physics Conference Series,2012:2005.
[24]陈文龙.PS-PVD羽-柱状结构7YSZ热障涂层的制备与性能研究[D].广州:广东工业大学,2017.CHEN W L.Fabrication and properties of feather-like columnar structure 7YSZ thermal barrier coatings by PS-PVD[D].Guangzhou:Guangdong University of Technology,2017(in Chinese).
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[26]KRENKEL W,BERNDT F.C/C-SiC composites for space applications and advanced friction systems[J].Materials Science&Engineering A,2005,412(1-2):177-181.
[27]陈旭,洪智亮,鲁琳静,等.环境障碍涂层研究综述[J].材料导报,2011,25(19):32-38.CHEN X,HONG Z L,LU L J,et al.Overview on the development of environment barrier coating[J].Materials Review,2011,25(19):32-38(in Chinese).
[28]张小锋,周克崧,刘敏,等.等离子喷涂-物理气相沉积Si/莫来石/Yb2SiO5环境障涂层[J].无机材料学报,2018,33(3):325-330.ZHANG X F,ZHOU K S,LIU M,et al.Preparation of Si/Mullite//Yb2SiO5 environment barrier coating(EBC)by plasma spray-physical vapor deposition[J].Journal of Inorganic Materials,2018,33(3):325-330(in Chinese).
[29]戴达煌,周克崧,袁镇海.现代材料表面技术科学[M].北京:冶金工业出版社,2004.DAI D H,ZHOU K S,YUAN Z H.Modern material surface technology science[M].Beijing:Metallurgical Industry Press,2004(in Chinese).
[30]文魁.等离子喷涂的电弧、射流与颗粒特性研究[D].长沙:中南大学,2018.WEN K.Characteristics of plasma arc,jet and sprayed particle in thermal plasma spraying[D].Changsha:Central South University,2018(in Chinese).
[31]WANG P,HE W,MAUER G,et al.Monte Carlo simulation of column growth in plasma spray physical vapor deposition process[J].Surface&Coatings Technology,2017,335.doi:10.1016/j.surfcoat.2017.12.023.
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