Preparation and thermal shock behavior at 1000 degrees C of a glass-alumina-NiCrAlY tri-composite coating on K38G superalloy

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	Preparation and thermal shock behavior at 1000 degrees C of a glass-alumina-NiCrAlY tri-composite coating on K38G superalloy
	M. H. Chen; M. L. Shen; S. L. Zhu; F. H. Wang; Y. Niu
	2012
发表期刊	Surface & Coatings Technology
ISSN	0257-8972
卷号	206 期号:8-9 页码:2566-2571
摘要	Dense and well-adherent glass-alumina-NiCrAlY tri-composite coatings were prepared on K38G superalloy substrates at 950 degrees C. Their thermal shock resistance at 1000 degrees C was investigated, and compared with two glass-alumina composite coatings. Results indicated that the tri-composite coatings exhibited the best resistance to thermal shock and provided enough protective effect to the substrates from high temperature oxidation. The inclusion of alumina particles and NiCrAlY alloy platelets increased the indentation toughness and thermal expansion coefficient, accounting for the enhancement of thermal shock resistance of the tri-composite coatings. Oxidation of the superalloy substrates, combined with their interaction with glassy coatings, was also discussed. (C) 2011 Elsevier B.V. All rights reserved.
部门归属	[chen, minghui; shen, mingli; zhu, shenglong; wang, fuhui; niu, yan] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china.;chen, mh (reprint author), chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china.;mhchen@imr.ac.cn
关键词	Glass Coatings Superalloys Thermal Cycling High Temperature Corrosion Interfaces Hot Corrosion Behavior Ceramic-to-metal Interfacial Reactions Oxidation Behavior Matrix Composites Enamel Resistance Particles Fracture System
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文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/59906
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	M. H. Chen,M. L. Shen,S. L. Zhu,et al. Preparation and thermal shock behavior at 1000 degrees C of a glass-alumina-NiCrAlY tri-composite coating on K38G superalloy[J]. Surface & Coatings Technology,2012,206(8-9):2566-2571.
APA	M. H. Chen,M. L. Shen,S. L. Zhu,F. H. Wang,&Y. Niu.(2012).Preparation and thermal shock behavior at 1000 degrees C of a glass-alumina-NiCrAlY tri-composite coating on K38G superalloy.Surface & Coatings Technology,206(8-9),2566-2571.
MLA	M. H. Chen,et al."Preparation and thermal shock behavior at 1000 degrees C of a glass-alumina-NiCrAlY tri-composite coating on K38G superalloy".Surface & Coatings Technology 206.8-9(2012):2566-2571.