Volume 33, Issue 3 (Journal of Advanced Materials- winter 2015)                   jame 2015, 33(3): 37-49 | Back to browse issues page

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M.R. Garsivaz jazi, M.A. Golozar, K. Raeissi. The Influence of Anodising Voltage on Tribocorrosion Behavior of Anodized Ti-6Al-4V Alloy. jame. 2015; 33 (3) :37-49
URL: http://jame.iut.ac.ir/article-1-597-en.html
, fardin_garsivaz@yahoo.com
Abstract:   (6443 Views)
In this study, the chemical composition, thickness and tribocorrosion behavior of oxide films prepared on Ti-6Al-4V alloy by anodising treatment in H2SO4/H3PO4 electrolyte at the potentials higher than the dielectric breakdown voltage were evaluated. The thickness measurement of the oxide layers showed a linear increase of thickness by increasing the anodizing voltage. The EDS analysis of oxide films demonstrated precipitation of sulfur and phosphor elements from electrolyte into the oxide layer. Tribocorrosion results indicated that the tribocorrosion behavior of samples was significantly improved by anodising process. Furthermore, the tribocorrosin performance of thesamples anodised at higher voltages was enhanced. SEM and EDS of worn surfaces indicated that the oxide layer on the samples anodised at lower voltages was totally removed, but for the samples anodised at higher voltages, the oxide layer was only locally removed within the wear track. Moreover, measurement of wear volume of the treated samples exhibited lower values on the samples anodised at higher voltages.
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Type of Study: Research | Subject: General
Received: 2015/03/11 | Accepted: 2015/03/11 | Published: 2015/03/11

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