Tribology in gaseous hydrogen

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Hydrogen is expected as a clean and renewable energy carrier for future environment-friendly society. Many machine elements in hydrogen energy systems should be operating within hydrogen gas and tribological behavior, such as friction and wear, of bearings and seals are affected by the hydrogen environment through some interactions between material surfaces and gaseous hydrogen, i.e., physisorption of hydrogen molecules and following chemisorptions of dissociated atoms on metal surfaces, formation of metal hydride and reduction of metal oxide layer by hydrogen atoms diffused into bulk. Therefore, friction and wear characteristics of tribomaterials in the hydrogen environment should be appropriately understood to establish a design guideline for reliable hydrogen utilizing systems. This paper reviews the current knowledge about the effect of hydrogen on friction and wear of materials, and then describes our recent progress of hydrogen research in the tribology field.

Original languageEnglish
Pages (from-to)280-287
Number of pages8
JournalJournal of the Vacuum Society of Japan
Volume53
Issue number4
DOIs
Publication statusPublished - Jul 23 2010

Fingerprint

tribology
Tribology
Hydrogen
hydrogen
friction
Metals
Wear of materials
Friction
Bearings (structural)
clean energy
metal hydrides
renewable energy
Atoms
Physisorption
Chemisorption
chemisorption
metal surfaces
metal oxides
Hydrides
Chemical elements

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Instrumentation
  • Surfaces and Interfaces
  • Spectroscopy

Cite this

Tribology in gaseous hydrogen. / Sawae, Yoshinori; Sugimura, Joich.

In: Journal of the Vacuum Society of Japan, Vol. 53, No. 4, 23.07.2010, p. 280-287.

Research output: Contribution to journalArticle

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