The role of transfer layer on the tribological characteristics of silver- coated surfaces

Seung Ho Yang, Hosung Kong, Eui Sung Yoon, Dae Eun Kim

Research output: Contribution to journalArticle

3 Citations (Scopus)

Abstract

The tribological role of transfer layer was studied with silver coatings under various ranges of load and sliding speed. Silver coatings were performed with thermal evaporation, ion beam assisted deposition and functionally gradient coating method. Tests were performed in dry sliding conditions, using a ball-on-disk contact configuration, at the load of 0.02-17.64 N and the sliding speed of 20-1000 mm/s. Optical microscope and electron probe micro analyzer analyses showed that contact surfaces were covered with the transfer layers of agglomerated wear particles depending upon the contact conditions, and they greatly influenced the tribological characteristics of the surfaces. However, the formation of transfer layer was suppressed as the sliding speed increased above a critical sliding speed, and no transfer layer was able to form. For building up a general framework of tribological behavior of the silver coating films, all test data were summarized on a map whose axes are contact pressure and sliding speed.

Original languageEnglish
Pages (from-to)457-464
Number of pages8
JournalSurface and Coatings Technology
Volume163-164
DOIs
Publication statusPublished - 2003 Jan 30

Fingerprint

Silver
sliding
silver
Coatings
coatings
Ion beam assisted deposition
Thermal evaporation
electron probes
optical microscopes
Microscopes
coating
Wear of materials
balls
analyzers
ion beams
evaporation
Electrons
gradients
probes
configurations

All Science Journal Classification (ASJC) codes

  • Chemistry(all)
  • Condensed Matter Physics
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films
  • Materials Chemistry

Cite this

Yang, Seung Ho ; Kong, Hosung ; Yoon, Eui Sung ; Kim, Dae Eun. / The role of transfer layer on the tribological characteristics of silver- coated surfaces. In: Surface and Coatings Technology. 2003 ; Vol. 163-164. pp. 457-464.
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The role of transfer layer on the tribological characteristics of silver- coated surfaces. / Yang, Seung Ho; Kong, Hosung; Yoon, Eui Sung; Kim, Dae Eun.

In: Surface and Coatings Technology, Vol. 163-164, 30.01.2003, p. 457-464.

Research output: Contribution to journalArticle

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