The Friction and Wear Properties of PTFE Composite-Thermal Spray Metallic Binary Coatings

Meigin Shi; Fujimasa Miyazawa; Shogo Tobe; T. A. Stolarski

doi:10.2320/matertrans.46.84

MATERIALS TRANSACTIONS

Online ISSN : 1347-5320
Print ISSN : 1345-9678
ISSN-L : 1345-9678

The Friction and Wear Properties of PTFE Composite-Thermal Spray Metallic Binary Coatings

Meigin Shi, Fujimasa Miyazawa, Shogo Tobe, T. A. Stolarski

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Keywords: wear, polytetrafluroethylene (PTFE), coating, composite, friction coefficient

JOURNAL FREE ACCESS

2005 Volume 46 Issue 1 Pages 84-87

DOI https://doi.org/10.2320/matertrans.46.84

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Abstract

Cu-Al alloy and Mo coatings were deposited on a low carbon steel substrate using an atmospheric plasma spray machine. Pure PTFE and PTFE metal powder composites were deposited on the metallic coatings. Studied and compared are PTFE-metal coatings and PTFE composites- metal coatings filled with different metal powders with the proportion of 10% (mass). Mass loss and coefficient of friction were measured under dry reciprocating sliding tests. The worn surfaces of samples were observed by microscopy. The influence of additives on the wear resistance was assessed.

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