Corrosion resistance of high hardness TiN coatings prepared by gas tunnel type plasma reactive spraying

被引：2
|
作者：
Kobayashi, Akira [1 ]
Jiang, Wei [1 ]
机构：
[1] Osaka Univ, Joining & Welding Res Inst, Ibaraki, Osaka 5670047, Japan
来源：
JAPANESE JOURNAL OF APPLIED PHYSICS PART 1-REGULAR PAPERS BRIEF COMMUNICATIONS & REVIEW PAPERS | 2006年 / 45卷 / 10B期
关键词：
titanium nitride coatings; electrochemical test; gas tunnel type plasma spraying; corrosion resistance;
D O I：
10.1143/JJAP.45.8445
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
Thick titanium nitride coatings, which have high hardness, were obtained by gas tunnel type plasma reactive spraying. In this study, the corrosion behavior of the thick TiN coatings was investigated using the electrochemical polarization measurement in 1 M hydrochloric (HCl) solution at room temperature of 295 K. The polarization curve of stainless steel (SUS304) was also measured in order to clarify the effect of corrosion resistance of TiN coatings on the substrates as protective layer. The results showed that the TiN coating could protect the substrate surface from corrosion. It also revealed that the corrosion resistance of TiN coatings was improved as the thickness of TiN coatings was increased.
引用
收藏
页码：8445 / 8448
页数：4
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