Long-term high temperature oxidation of CrAl(Y)N coatings in steam atmosphere

被引：24
作者：
Mato, S. [1 ]
Alcala, G. [1 ]
Brizuela, M. [2 ]
Escobar Galindo, R. [3 ]
Perez, F. J. [1 ]
Sanchez-Lopez, J. C. [4 ]
机构：
[1] Univ Complutense Madrid, Fac Ciencias Quim, Grp Invest Ingn Super & Mat Nanoestruct 910627, E-28040 Madrid, Spain
[2] TECNALIA, E-20009 Donostia San Sebastian, Gipuzkoa, Spain
[3] CSIC, Inst Ciencia Mat Madrid, E-28049 Madrid, Spain
[4] CSIC US, Inst Ciencia Mat Sevilla, E-41029 Seville, Spain
来源：
CORROSION SCIENCE | 2014年 / 80卷
关键词：
Sputtered films; Steel; EPMA; Weight loss; High temperature corrosion; Oxidation; DIFFUSION BARRIER PROPERTIES; MECHANICAL-PROPERTIES; THIN-FILMS; ALUMINIDE COATINGS; PVD COATINGS; RESISTANCE; BEHAVIOR; STABILITY; SIMULATION; IMPACT;
D O I：
10.1016/j.corsci.2013.11.066
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The oxidation resistance of CrAl(Y)N coatings deposited by reactive magnetron sputtering on P92 steel substrates was tested at 650 degrees C in 100% steam atmosphere up to 2000 h of oxidation. Mass gain measurements and characterisation of coatings and scales after oxidation show the enhanced oxidation resistance provided by the coatings with respect to that of the substrate. The dominant influence of the film microstructure developed due to the presence of an adhesion interlayer of CrN at the coating/substrate interface over Y additions is evidenced. The best performance is achieved by a CrAlN dense coating of around 6 mu m without adhesion interlayer. (C) 2013 Elsevier Ltd. All rights reserved.
引用
收藏
页码：453 / 460
页数：8
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