Journal
SURFACE & COATINGS TECHNOLOGY
Volume 204, Issue 20, Pages 3315-3318Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.surfcoat.2010.03.049
Keywords
Self-lubricating; Composite coating; Microarc oxidation; Polytetrafluoroethylene
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Self-lubricating composite coating is fabricated on the surface of aluminium alloy, which integrates the advantages of wear resistance of microarc oxidation (MAO) ceramic coating and a low friction coefficient of polytetrafluoroethylene (PTFE). Inspection of SEM and EDS analysis indicates that PTFE can be deposited into the MAO coating, and a compact film forms which can fully cover the MAO coating. The yielded coating possesses superior tribological properties. The friction coefficient remains steady with minimal weight loss during long-term sliding. (C) 2010 Elsevier B.V. All rights reserved.
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