Sliding friction and wear behavior of Al-Ni-Co-Si quasicrystalline coatings deposited by the high-velocity oxy-fuel spraying technique

Eric Fleury, Yu Chan Kim, Jae Soo Kim, Hyo Sok Ahn, Sang Mok Lee, Won Tae Kim, Do Hyang Kim

Research output: Contribution to journalArticle

16 Citations (Scopus)

Abstract

The sliding friction and wear performance of Al-Ni-Co-Si quasicrystalline coatings deposited by the high-velocity oxy-fuel technique were investigated under dry sliding conditions. This study indicated that changes in the imposed sliding test conditions modified the friction and wear behavior of quasicrystaltine coatings. Qualitative analysis of the contact interface and wear debris were performed with the aim of understanding the role of the third body on the friction and wear processes. The dependence of the coefficient of friction on the sliding velocity and counterpart material was explained by the stick-slip behavior. It was also shown that test conditions favorable for the formation of thick intermediate layers and the densification of the coating subsurface led to low wear rates. Large cylindrical particles, formed by agglomeration of small wear debris, were suggested as a beneficial factor for the reduction of the coefficient of friction.

Original languageEnglish
Pages (from-to)492-501
Number of pages10
JournalJournal of Materials Research
Volume17
Issue number2
DOIs
Publication statusPublished - 2002 Jan 1

Fingerprint

HVOF thermal spraying
sliding friction
Spraying
Wear of materials
Friction
coatings
Coatings
sliding
debris
Debris
coefficient of friction
friction
Stick-slip
qualitative analysis
densification
agglomeration
Densification
slip
Agglomeration

All Science Journal Classification (ASJC) codes

  • Materials Science(all)
  • Condensed Matter Physics
  • Mechanics of Materials
  • Mechanical Engineering

Cite this

Fleury, Eric ; Kim, Yu Chan ; Kim, Jae Soo ; Ahn, Hyo Sok ; Lee, Sang Mok ; Kim, Won Tae ; Kim, Do Hyang. / Sliding friction and wear behavior of Al-Ni-Co-Si quasicrystalline coatings deposited by the high-velocity oxy-fuel spraying technique. In: Journal of Materials Research. 2002 ; Vol. 17, No. 2. pp. 492-501.
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Sliding friction and wear behavior of Al-Ni-Co-Si quasicrystalline coatings deposited by the high-velocity oxy-fuel spraying technique. / Fleury, Eric; Kim, Yu Chan; Kim, Jae Soo; Ahn, Hyo Sok; Lee, Sang Mok; Kim, Won Tae; Kim, Do Hyang.

In: Journal of Materials Research, Vol. 17, No. 2, 01.01.2002, p. 492-501.

Research output: Contribution to journalArticle

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