Journal
TRIBOLOGY INTERNATIONAL
Volume 43, Issue 11, Pages 2196-2202Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.triboint.2010.07.002
Keywords
Sliding wear; Coating; Titanium alloy; Aluminum bronze
Categories
Funding
- CAPES
- FAPESP [2006/03570-9, 2006/02121-6]
- CNPq [304155/2006-4, 470074/2006-0, 427570/2006-4, 300233/2006-0]
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Ti-6Al-4V alloy rubbing against aluminum-bronze 630 was evaluated in this work. High velocity oxygen fuel (HVOF) WC-10%Co-4%Cr thermal sprayed and TiN, CrN and DLC physical vapor deposition (PVD) coatings were applied to increase titanium substrate wear resistance. Pin-on-disk tests were performed with a normal force of 5 N and at a speed of 0.5 m/s, with a quantitative comparison between the five conditions studied. Results showed higher wear resistance for Ti-6Al-4V alloy DLC coated and aluminum-bronze 630 tribological pair and that the presence of graphite carbon structure acting as solid lubricant was the main wear preventing mechanism. (C) 2010 Elsevier Ltd. All rights reserved.
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