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Oxidation inhibition of gamma-TiAl alloy at 900 degrees C by inorganic silicate composite coatings
C. Wang; W. Wang; S. L. Zhu; F. H. Wang
2013
Source PublicationCorrosion Science
ISSN0010-938X
Volume76Pages:284-291
AbstractInorganic silicate composite coatings on gamma-TiAl were fabricated by air spraying. The oxidation behaviour of the alloy was investigated at 900 degrees C. The results indicated that rapid oxidation occurred in the gamma-TiAl, and multilayered non-protective TiO2 and Al2O3 scales formed. For coated gamma-TiAl alloy, the oxidation was markedly inhibited; a thin Al2O3 layer was detected, which improved the oxidation resistance of the alloy. The low oxygen partial pressure at the interface of the coatings and the alloy promotes the preferentially oxidation of Al in the gamma-TiAl substrate, and the outward diffusion of Ti to form TiO2 was retarded. (C) 2013 Elsevier Ltd. All rights reserved.
description.department[wang, cheng ; wang, wen ; zhu, shenglong ; wang, fuhui] chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. ; wang, c (reprint author), chinese acad sci, state key lab corros & protect, inst met res, shenyang 110016, peoples r china. ; wangcheng@imr.ac.cn
KeywordTitanium Intermetallics Glass Sem Xrd Oxidation High-temperature Oxidation Isothermal Oxidation Laser-ablation Behavior Corrosion Microstructure Intermetallics Mechanisms Al2o3-zro2 Resistance
URL查看原文
Language英语
Document Type期刊论文
Identifierhttp://ir.imr.ac.cn/handle/321006/71515
Collection中国科学院金属研究所
Recommended Citation
GB/T 7714
C. Wang,W. Wang,S. L. Zhu,et al. Oxidation inhibition of gamma-TiAl alloy at 900 degrees C by inorganic silicate composite coatings[J]. Corrosion Science,2013,76:284-291.
APA C. Wang,W. Wang,S. L. Zhu,&F. H. Wang.(2013).Oxidation inhibition of gamma-TiAl alloy at 900 degrees C by inorganic silicate composite coatings.Corrosion Science,76,284-291.
MLA C. Wang,et al."Oxidation inhibition of gamma-TiAl alloy at 900 degrees C by inorganic silicate composite coatings".Corrosion Science 76(2013):284-291.
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