Wear behavior of polymeric sealing material sliding against austenitic stainless steel was evaluated within gaseous hydrogen atmosphere to ensure the durability and longevity of polymeric seals used in fuel cell vehicles and related hydrogen infrastructures. In this study, unfilled polytetrafluoroethylene (PTFE) was considered as a representative polymeric material for seals and its wear behavior was evaluated by using 3pin-on-disk wear tester coupled with the environmental test chamber. Results indicated that the specific wear rate of unfilled PTFE became significantly smaller in gaseous hydrogen compared with that in air. However, the specific wear rate further decreased in argon gas. Optical microscopy and XPS analysis of the disk specimen surface indicated that the wear behavior of PTFE highly depended on the transfer film formation on the sliding counterface. Notable influences of gaseous hydrogen on the formation process of PTFE transfer film and subsequent wear behavior could be postulated from XPS spectra.
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STLE/ASME 2008 International Joint Tribology Conference
October 20–22, 2008
Miami, Florida, USA
Conference Sponsors:
- Tribology Division
ISBN:
978-0-7918-4336-9
PROCEEDINGS PAPER
Wear Behavior of Polymeric Sealing Material in Gaseous Hydrogen
A. Yamaguchi,
A. Yamaguchi
Kyushu University, Fukuoka, Japan
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K. Nakashima,
K. Nakashima
Kyushu University, Fukuoka, Japan
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T. Murakami,
T. Murakami
Kyushu University, Fukuoka, Japan
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J. Sugimura
J. Sugimura
Advanced Industrial Science and Technology, Fukuoka, Japan
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Y. Sawae
Kyushu University, Fukuoka, Japan
A. Yamaguchi
Kyushu University, Fukuoka, Japan
K. Nakashima
Kyushu University, Fukuoka, Japan
T. Murakami
Kyushu University, Fukuoka, Japan
J. Sugimura
Advanced Industrial Science and Technology, Fukuoka, Japan
Paper No:
IJTC2008-71225, pp. 15-17; 3 pages
Published Online:
June 5, 2009
Citation
Sawae, Y, Yamaguchi, A, Nakashima, K, Murakami, T, & Sugimura, J. "Wear Behavior of Polymeric Sealing Material in Gaseous Hydrogen." Proceedings of the STLE/ASME 2008 International Joint Tribology Conference. STLE/ASME 2008 International Joint Tribology Conference. Miami, Florida, USA. October 20–22, 2008. pp. 15-17. ASME. https://doi.org/10.1115/IJTC2008-71225
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