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Chin. Opt. Lett.
 Home  List of Issues    Issue 01 , Vol. 04 , 2006    Atmosphere corrosion behavior of plasma sprayed and laser remelted coatings on copper


Atmosphere corrosion behavior of plasma sprayed and laser remelted coatings on copper
Gongying Liang1, T. T. Wong2, Geng An1, J. M. K. MacAlpine2
1Department of Materials Physics, Science School, [Xi'an Jiaotong University], Xi'an 710049
2[Hong Kong Polytechnic University], Hong Kong

Chin. Opt. Lett., 2006, 04(01): pp.59-62-4

DOI:
Topic:Thin films
Keywords(OCIS Code): 310.1620  140.0140  160.3900  350.5400  

Abstract
Nickel and chromium coatings were produced using plasma spraying and laser remelting on the copper sheet. The corrosion test was carried out in an acidic atmosphere, and the corrosive behaviors of both coatings and original copper samples were investigated by using an impedance comparison method. Experimental results show that nickel and chromium coatings display better corrosion resistance properties relative to the original pure copper sample. The corrosion rate of chromium coating is less than that of nickel coating, and corrosion resistances of laser remelted nickel and chromium samples are better than those of plasma sprayed samples. The corrosion deposit film of copper is loose compared with nickel and chromium.

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Received:2005/4/11
Accepted:
Posted online:

Get Citation: Gongying Liang, T. T. Wong, Geng An, J. M. K. MacAlpine, "Atmosphere corrosion behavior of plasma sprayed and laser remelted coatings on copper," Chin. Opt. Lett. 04(01), 59-62-4(2006)

Note: The work was supported by the Research Grants Council of the Hong Kong Special Administrative Region of China under Grant No. PolyU 5171/01E. G. Liang's e-mail address is gyliang@mail.xjtu.edu.cn.



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