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ASME Press Select Proceedings
International Hydrogen Conference (IHC 2012): Hydrogen-Materials Interactions
ISBN:
9780791860298
No. of Pages:
844
Publisher:
ASME Press
Publication date:
2014
eBook Chapter
88 Polymers and Coatings for Tribological Application in Hydrogen Environment
Page Count:
10
-
Published:2014
Citation
Erck, RA, & Fenske, GR. "Polymers and Coatings for Tribological Application in Hydrogen Environment." International Hydrogen Conference (IHC 2012): Hydrogen-Materials Interactions. Ed. Somerday, BP, & Sofronis, P. ASME Press, 2014.
Download citation file:
Sliding mechanical components, used in the production and delivery of hydrogen, such as rings and pistons used in reciprocating compressors for point-of-delivery or industrial applications, can be subject to wear and parasitic frictional losses. Experiments were undertaken to assess the friction and wear properties of five high-performance polymers (PEEK, PI, PAI, PPS, and PTFE) sliding against steel and a DLC coating. Test results are presented for medium-speed sliding (3.5 m/s) in pure hydrogen gas or air, for 10 km distance using a horizontal cylinder sliding geometry. Coefficients of friction as a function of distance are graphed, and wear rates are tabulated, for all material combinations.
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