Cyclic oxidation behavior of glass-ceramic composite coatings on superalloy K38G at 1100 degrees C

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	Cyclic oxidation behavior of glass-ceramic composite coatings on superalloy K38G at 1100 degrees C
	M. L. Shen; S. L. Zhu; F. H. Wang
	2011
发表期刊	Thin Solid Films
ISSN	0040-6090
卷号	519 期号:15 页码:4884-4888
摘要	The SiO(2)-Al(2)O(3)-ZrO(2)-CaO-ZnO glass-ceramic composite coatings (GC), nanocrystalline NiCoCrAlY coating, and their combinations (bi-layer GC/NiCoCrAlY) were prepared on K38G specimens. The thicknesses of the glass-ceramic coatings and the NiCoCrAlY coatings were about 10 mu m and 20 mu m, respectively. Cyclic oxidation tests were carried out at 1100 degrees C for 120 cycles. Microstructures of the specimens before and after oxidation tests were characterized by SEM, EDS and XRD. The glass-ceramic coatings with or without a NiCoCrAlY intermediate layer improved the isothermal and cyclic oxidation resistance of the Ni-base superalloy K38G at 1100 degrees C, and performed better than the NiCoCrAlY coatings. An alumina layer formed at the glass/metal interfaces of the specimens coated by the glass-ceramic coatings with or without a NiCoCrAlY intermediate layer. The NiCoCrAlY intermediate layer was beneficial to the cyclic oxidation resistance of the glass-ceramic coatings. (C) 2011 Elsevier B.V. All rights reserved.
部门归属	[shen, mingli; zhu, shenglong; wang, fuhui] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china.;zhu, sl (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china;slzhu@imr.ac.cn
关键词	Glass-ceramic Coating Nicocraly Cyclic Oxidation Magnetron Sputtering Resistance Microstructure Scales
URL	查看原文
WOS记录号	WOS:000292471400047
引用统计	被引频次：21[WOS] [WOS记录] [WOS相关记录]
文献类型	期刊论文
条目标识符	http://ir.imr.ac.cn/handle/321006/30649
专题	中国科学院金属研究所
推荐引用方式 GB/T 7714	M. L. Shen,S. L. Zhu,F. H. Wang. Cyclic oxidation behavior of glass-ceramic composite coatings on superalloy K38G at 1100 degrees C[J]. Thin Solid Films,2011,519(15):4884-4888.
APA	M. L. Shen,S. L. Zhu,&F. H. Wang.(2011).Cyclic oxidation behavior of glass-ceramic composite coatings on superalloy K38G at 1100 degrees C.Thin Solid Films,519(15),4884-4888.
MLA	M. L. Shen,et al."Cyclic oxidation behavior of glass-ceramic composite coatings on superalloy K38G at 1100 degrees C".Thin Solid Films 519.15(2011):4884-4888.

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