Excimer laser surface processing for tribological applications in metals and ceramics

Tom Jervis, Juha-Pekka Hirvonen, Michael Nastasi

Research output: Contribution to journalArticleScientificpeer-review

Abstract

The use of pulsed excimer lasers, operating at UV wavelengths, for surface modification has many potential applications in the tribology of metals and ceramics. Alterations of surface chemistry and microstructure are possible on standard engineering materials. We have demonstrated improved tribological performance in stainless steel by the formation of a unique oxide and by Ti mixing and in SiC by Ti mixing. Specifically, we have observed reduced friction in dry sliding conditions and a change in the wear process resulting in greatly reduced surface damage. We have also demonstrated the effectiveness of excimer laser mixing in other systems with potential tribological applications.
Original languageEnglish
Number of pages22
JournalLubrication Engineering
Volume91-AM-7C1
Publication statusPublished - 1991
MoE publication typeA1 Journal article-refereed

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