等离子喷涂耐高温抗氧化涂层的研究进展.pdfVIP

3 4 2006 8 EQU IPM ENT ENV IRONM ENTA L ENG INEER ING # 1# , , (, 100083) : 利用等离子喷涂技术在工件表面制备抗高温氧化涂层, 能显著提高工件的抗氧化性能综述了 前国内外抗高温氧化涂层和热障涂层的研究现状详细介绍了金属间化合物和M C rA lY 两种耐高温抗氧化 涂层的组织性能及其抗氧化原理阐述了影响热障涂层性能的 3种主要因素, 分析了热障涂层由于热生长 氧化层( TGO) 的存在而引起的失效机制指出了等离子喷涂制备耐高温抗氧化涂层存在的主要问题, 并提 出了几种解决思路, 展望了等离子喷涂制备抗氧化涂层的应用前景 : 等离子喷涂; 抗氧化; 热障; 涂层; 研究进展 : TG 174 44 2 : A : 1672 - 9242 ( 2006) 04 - 0001- 06 Prog ress in Ox idation R esistan ce Coatings by P lasm a Sp ray ing Process ZHAN G L iang, LI X iao-g ang, CH EN X u ( U niversity of Science and techno logy Be ij ing, Be ijing 100083, Ch ina) Ab stract: O x idation resistance coa tings prepa red by plasm a spray ing process on the surface of w orkp iece can mi prove ox ida tion res istance The study o f ox idation resistance coatings and therm a l resistance coatings w as overv iew ed The organ iza tiona l ch arac ters and prop erties o f ox ida tion res istance coatings o f interm e tallics and M CrA lY, and ox idation resistance princ ip le o f them by plasm a spray ing process w ere rev iew ed T hree influ encing fac to rs of therm a l resistance coating s w ere em ph asized F ailure m ech an ism re lated to TGO of therm a l coatings w as ana ly zed T he ex isting problem s of ox idation res istance coating sw ere proposed and the solution s of these prob lem s w ere suggested In add ition, the applica tion prosp ec ts o f ox ida tion res istance coatings w ere d iscu ssed K ey w ords: plasm a spray ing; ox idation resistance; therm a l resistance; coa tings; prog ress , , ,