共 26 条
Corrosion resistance of CrAlN and TiAlN coatings deposited by lateral rotating cathode arc
被引:140
作者:
Ding, Xing-zhao
[1
]
Tan, A. L. K.
[1
]
Zeng, X. T.
[1
]
Wang, C.
[2
]
Yue, T.
[2
]
Sun, C. Q.
[2
]
机构:
[1] Singapore Inst Mfg Technol, Singapore 638075, Singapore
[2] Nanyang Technol Univ, Sch Elect & Elect Engn, Singapore 639798, Singapore
关键词:
corrosion;
chromium aluminum nitride coating;
titanium aluminum nitride coating;
lateral rotating cathode arc;
D O I:
10.1016/j.tsf.2007.07.069
中图分类号:
T [工业技术];
学科分类号:
08 [工学];
摘要:
In this work, CrAlN and TiAlN coatings were deposited on stainless steel substrates by a vacuum arc reactive deposition process from two lateral rotating elemental aluminum and chromium or titanium cathodes in a flowing pure nitrogen atmosphere. The composition and crystalline structure of the as-deposited coatings was analyzed by energy dispersive analysis of X-rays (EDX) and X-ray diffraction (XRD), respectively. The corrosion resistance of the CrAIN-coated and TiAIN-coated samples in a 3 wt.% NaCl solution was evaluated and compared by electrochemical potentiodynamic polarization method. It was found that both the CrAIN and RAIN coatings exhibited their best corrosion resistance, respectively, at a composition with Cr/Al or Ti/Al atomic ratio of around 1:1, while the CrAlN coatings showed an evidently better corrosion resistance than the TiAlN coatings. (C) 2007 Elsevier B.V. All rights reserved.
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页码:5716 / 5720
页数:5
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