Influence of interlayers on corrosion resistance of ion-plated Mg thin films

被引：7

作者：

Lee, Myeong-Hoon ^{[1
]}

Moon, Kyung-Man ^{[2
]}

Kim, Ki-Joon ^{[1
]}

Bae, IlYoung ^{[1
]}

Baek, Sang-Min ^{[1
]}

机构：

[1] Korea Maritime Univ, Div Maritime Syst Engn, Pusan, South Korea

[2] Korea Maritime Univ, Div Mat Engn, Pusan, South Korea

来源：

SURFACE & COATINGS TECHNOLOGY | 2008年 / 202卷 / 22-23期

关键词：

Ion-plated Mg film; Corrosion resistance; Interlayers;

D O I：

10.1016/j.surfcoat.2008.06.150

中图分类号：

TB3 [工程材料学];

学科分类号：

0805 ; 080502 ;

摘要：

It is well known that the film formed by PVD process has different characteristics depending on the process conditions. In this experiment. therefore, the corrosion characteristic of Mg film prepared by PVD method onto electroplated Zn, Al and Sn steel substrates at different Ar gas pressure conditions is studied. From the experimental results, the corrosion resistance of Mg film is obviously correlated with the morphology of film and a formation of galvanic couple with interlayer. The film of granular structure which deposited in condition of high gas pressure has certainly good corrosion resistance. Especially Mg film on Zn interlayer, a sacrificial anode protection to substrate is continuously sustained by relatively low galvanic current in galvanic couple between deposited Mg film and Zn interlayer during immersion in 3% NaCl solution. (C) 2008 Elsevier B.V. All rights reserved.

引用

页码：5603 / 5606

页数：4

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