Tribology Online
Online ISSN : 1881-2198
ISSN-L : 1881-218X
Short Communication
Friction and Wear Behaviour of Graphite Filled Polymer Composites in Hydrogen Environment
Géraldine TheilerThomas Gradt
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2015 Volume 10 Issue 2 Pages 207-212


High performance polymer composites have been intensively investigated for tribological applications in air, but rarely in hydrogen environment. Author’s previous benchmark of composites in liquid hydrogen (LH2) showed that graphite filled polymers have beneficial friction behaviour in this extreme condition. Therefore, further investigations have been undertaken in hydrogen environment. This paper presents first results obtained with polyimide composites filled with different types (natural, synthetic) and amounts of graphite in air, vacuum and hydrogen environments. A particular attention is taken to the influence of hydrogen on graphite as well as on the polymer matrix.

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© 2015 by Japanese Society of Tribologists
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