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Interfacial reaction between SiO2-Al2O3-ZnO-CaO based glass coatings and K38G superalloy substrates
M. H. Chen; M. L. Shen; X. Wang; S. L. Zhu; F. H. Wang
2013
Source PublicationSurface & Coatings Technology
ISSN0257-8972
Volume216Pages:145-151
AbstractIn order to extend the use of a SiO2-Al2O3-ZnO-CaO based glass coating for higher temperature applications on Ni-base superalloy substrates, its interfacial reaction with the K38G superalloy substrates at 1000 degrees C was investigated. Results indicated that the interfacial reaction resulted in bubbling of the glass coatings due to Zn gas volatilization and formation of a loose TiO2 interlayer which finally accounted for the peeling of the coatings. With a pre-crystallization process of the glasses, its interfacial reaction was controlled and the bubbling of the coatings was avoided. After the heat-treatment at 1000 degrees C for 20 h, the glass coatings were still very dense and bonded well to the K38G superalloy substrates. Instead of a loose TiO2 interlayer, an Al-riched layer formed at the interfaces. (C) 2012 Elsevier B.V. All rights reserved.
description.department[chen, minghui ; shen, mingli ; wang, xin ; zhu, shenglong ; wang, fuhui] chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; chen, mh (reprint author), chinese acad sci, inst met res, state key lab corros & protect, shenyang 110016, peoples r china. ; mhchen@imr.ac.cn
KeywordGlass Coatings Superalloys Crystallization Interfacial Reaction Element Diffusion Titanium-porcelain System Nitrided Pure Titanium Hot Corrosion Behavior Oxidation Alloy Protection Components Strength
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71157
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
M. H. Chen,M. L. Shen,X. Wang,et al. Interfacial reaction between SiO2-Al2O3-ZnO-CaO based glass coatings and K38G superalloy substrates[J]. Surface & Coatings Technology,2013,216:145-151.
APA M. H. Chen,M. L. Shen,X. Wang,S. L. Zhu,&F. H. Wang.(2013).Interfacial reaction between SiO2-Al2O3-ZnO-CaO based glass coatings and K38G superalloy substrates.Surface & Coatings Technology,216,145-151.
MLA M. H. Chen,et al."Interfacial reaction between SiO2-Al2O3-ZnO-CaO based glass coatings and K38G superalloy substrates".Surface & Coatings Technology 216(2013):145-151.
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