Structure and Electrochemical Properties of DLC/SiC Films on the Surface of Magnesium Alloy by Plasma Immersion Ion Deposition

Yuan Yuan Guo; Hong Yang Zhao; Dong Ying Ju; Alan Hase; Rong Hua Wei

doi:10.4028/www.scientific.net/MSF.750.298

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HomeMaterials Science ForumMaterials Science Forum Vol. 750Structure and Electrochemical Properties of...

Structure and Electrochemical Properties of DLC/SiC Films on the Surface of Magnesium Alloy by Plasma Immersion Ion Deposition

Abstract:

DLC/SiC films (SiC as a transition layer) were prepared on the surface of magnesium alloy (AZ31) using a plasma immersion ion deposition (PIID) process. A dense and smooth DLC film can be observed by SEM. The surface hardness can be improved to 11.45GPa by deposition of the DLC film. Electrochemical tests show that the corrosion potential of AZ31 with DLC film is increased from -1.7V to -0.6V, which indicates that the DLC film improves the corrosion resistance of Mg alloy.

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Periodical:

Materials Science Forum (Volume 750)

Pages:

298-301

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.750.298

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Online since:

March 2013

Authors:

Yuan Yuan Guo, Hong Yang Zhao, Dong Ying Ju, Alan Hase, Rong Hua Wei

Keywords:

Corrosion Resistant, DLC/SiC Films, Magnesium Alloy, PIID, SEM

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