Paper Title:
Pure Al Coatings Prepared by Arc-Added Glow Plasma Depositing Technique and Subsequence Plasma Oxidation
  Abstract

Al coatings were prepared on 316L stainless steel substrate by arc-added glow plasma depositing technique and then plasma oxidized. The influences of bias voltage and arc source current on both the thickness and surface roughness of Al coatings were investigated respectively. Then, the microstructure and the composition of Al and Al2O3 coatings were characterized. Finally, the bonding force and the corrosion resistance of as-prepared alumina coatings were discussed. The results indicated that nanostructured pure Al coatings with surface roughness (Ra) of 267.93 nm were obtained when the bias of the substrate was-300V and the arc current was 70A. The Al2O3 coatings oxidized from nanoAl coatings were dense and uniform, with a bonding force of 37.4 N, an excellent corrosion potential of-0.202V and corrosion current of 0.197 μm·cm-2 in 3.5% NaCl solution.

  Info
Periodical
Chapter
Chapter 1: Novel and Advanced Materials, Materials Science and Technologies
Edited by
Qingzhou Xu
Pages
342-345
DOI
10.4028/www.scientific.net/AMR.721.342
Citation
C. Wang, T. F. Chen, J. Tao, "Pure Al Coatings Prepared by Arc-Added Glow Plasma Depositing Technique and Subsequence Plasma Oxidation", Advanced Materials Research, Vol. 721, pp. 342-345, 2013
Online since
July 2013
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Price
$32.00
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