Nanoscale Friction Measurements Up to 750 °C

J. F. Smith, V. M. Vishnyakov, M. I. Davies, B. D. Beake

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

A new experimental capability for elevated temperature nanoscale friction measurement is described. Its stability and resolution were demonstrated in two case studies up to 750 °C. A stainless steel probe was used to study friction between steel and glass at 25, 200 and 400 °C. Friction forces were calibrated at temperature. The friction coefficient increased between 25 and 200 °C, but stickslip was dominant at 400 °C due to chemical interaction between the stainless steel probe and the glass. This was verified by scanning Energy Dispersive X-ray Spectroscopy analysis. A WCCo probe was used to study friction on a range of TiN-based and Cr54Al20C26 (so named MAX-phase composition) coatings at 25, 400 and 750 °C. A maximum in friction coefficient was observed at 400 °C. The decrease in friction at 750 °C was associated with the formation of lubricating surface oxides and oxidation- associated surface roughening.

Original languageEnglish
Pages (from-to)455-463
Number of pages9
JournalTribology Letters
Volume49
Issue number3
Early online date13 Jan 2013
DOIs
Publication statusPublished - 1 Mar 2013
Externally publishedYes

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friction measurement
friction
Friction
coefficient of friction
probes
stainless steels
Stainless Steel
glass
Stainless steel
Glass
steels
coatings
Steel
oxidation
scanning
temperature
oxides
Phase composition
Oxides
spectroscopy

Cite this

Smith, J. F. ; Vishnyakov, V. M. ; Davies, M. I. ; Beake, B. D. / Nanoscale Friction Measurements Up to 750 °C. In: Tribology Letters. 2013 ; Vol. 49, No. 3. pp. 455-463.
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Nanoscale Friction Measurements Up to 750 °C. / Smith, J. F.; Vishnyakov, V. M.; Davies, M. I.; Beake, B. D.

In: Tribology Letters, Vol. 49, No. 3, 01.03.2013, p. 455-463.

Research output: Contribution to journalArticle

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T1 - Nanoscale Friction Measurements Up to 750 °C

AU - Smith, J. F.

AU - Vishnyakov, V. M.

AU - Davies, M. I.

AU - Beake, B. D.

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AB - A new experimental capability for elevated temperature nanoscale friction measurement is described. Its stability and resolution were demonstrated in two case studies up to 750 °C. A stainless steel probe was used to study friction between steel and glass at 25, 200 and 400 °C. Friction forces were calibrated at temperature. The friction coefficient increased between 25 and 200 °C, but stickslip was dominant at 400 °C due to chemical interaction between the stainless steel probe and the glass. This was verified by scanning Energy Dispersive X-ray Spectroscopy analysis. A WCCo probe was used to study friction on a range of TiN-based and Cr54Al20C26 (so named MAX-phase composition) coatings at 25, 400 and 750 °C. A maximum in friction coefficient was observed at 400 °C. The decrease in friction at 750 °C was associated with the formation of lubricating surface oxides and oxidation- associated surface roughening.

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