Dynamic evolution of interface roughness during friction and wear processes

K. J. Kubiak, M. Bigerelle, T. G. Mathia, A. Dubois, L. Dubar

Research output: Contribution to journalArticle

14 Citations (Scopus)

Abstract

Summary Dynamic evolution of surface roughness and influence of initial roughness (Sa = 0.282-6.73 μm) during friction and wear processes has been analyzed experimentally. The mirror polished and rough surfaces (28 samples in total) have been prepared by surface polishing on Ti-6Al-4V and AISI 1045 samples. Friction and wear have been tested in classical sphere/plane configuration using linear reciprocating tribometer with very small displacement from 130 to 200 μm. After an initial period of rapid degradation, dynamic evolution of surface roughness converges to certain level specific to a given tribosystem. However, roughness at such dynamic interface is still increasing and analysis of initial roughness influence revealed that to certain extent, a rheology effect of interface can be observed and dynamic evolution of roughness will depend on initial condition and history of interface roughness evolution. Multiscale analysis shows that morphology created in wear process is composed from nano, micro, and macro scale roughness. Therefore, mechanical parts working under very severe contact conditions, like rotor/blade contact, screws, clutch, etc. with poor initial surface finishing are susceptible to have much shorter lifetime than a quality finished parts. SCANNING 36:30-38, 2014.

Original languageEnglish
Pages (from-to)30-38
Number of pages9
JournalScanning
Volume36
Issue number1
DOIs
Publication statusPublished - Jan 2014

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roughness
friction
Surface roughness
Wear of materials
Friction
surface roughness
clutches
surface finishing
rotor blades
tribometers
screws
rheology
polishing
Clutches
Polishing
Rheology
histories
mirrors
degradation
Turbomachine blades

Cite this

Kubiak, K. J., Bigerelle, M., Mathia, T. G., Dubois, A., & Dubar, L. (2014). Dynamic evolution of interface roughness during friction and wear processes. Scanning, 36(1), 30-38. https://doi.org/10.1002/sca.21082
Kubiak, K. J. ; Bigerelle, M. ; Mathia, T. G. ; Dubois, A. ; Dubar, L. / Dynamic evolution of interface roughness during friction and wear processes. In: Scanning. 2014 ; Vol. 36, No. 1. pp. 30-38.
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Kubiak, KJ, Bigerelle, M, Mathia, TG, Dubois, A & Dubar, L 2014, 'Dynamic evolution of interface roughness during friction and wear processes', Scanning, vol. 36, no. 1, pp. 30-38. https://doi.org/10.1002/sca.21082

Dynamic evolution of interface roughness during friction and wear processes. / Kubiak, K. J.; Bigerelle, M.; Mathia, T. G.; Dubois, A.; Dubar, L.

In: Scanning, Vol. 36, No. 1, 01.2014, p. 30-38.

Research output: Contribution to journalArticle

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N2 - Summary Dynamic evolution of surface roughness and influence of initial roughness (Sa = 0.282-6.73 μm) during friction and wear processes has been analyzed experimentally. The mirror polished and rough surfaces (28 samples in total) have been prepared by surface polishing on Ti-6Al-4V and AISI 1045 samples. Friction and wear have been tested in classical sphere/plane configuration using linear reciprocating tribometer with very small displacement from 130 to 200 μm. After an initial period of rapid degradation, dynamic evolution of surface roughness converges to certain level specific to a given tribosystem. However, roughness at such dynamic interface is still increasing and analysis of initial roughness influence revealed that to certain extent, a rheology effect of interface can be observed and dynamic evolution of roughness will depend on initial condition and history of interface roughness evolution. Multiscale analysis shows that morphology created in wear process is composed from nano, micro, and macro scale roughness. Therefore, mechanical parts working under very severe contact conditions, like rotor/blade contact, screws, clutch, etc. with poor initial surface finishing are susceptible to have much shorter lifetime than a quality finished parts. SCANNING 36:30-38, 2014.

AB - Summary Dynamic evolution of surface roughness and influence of initial roughness (Sa = 0.282-6.73 μm) during friction and wear processes has been analyzed experimentally. The mirror polished and rough surfaces (28 samples in total) have been prepared by surface polishing on Ti-6Al-4V and AISI 1045 samples. Friction and wear have been tested in classical sphere/plane configuration using linear reciprocating tribometer with very small displacement from 130 to 200 μm. After an initial period of rapid degradation, dynamic evolution of surface roughness converges to certain level specific to a given tribosystem. However, roughness at such dynamic interface is still increasing and analysis of initial roughness influence revealed that to certain extent, a rheology effect of interface can be observed and dynamic evolution of roughness will depend on initial condition and history of interface roughness evolution. Multiscale analysis shows that morphology created in wear process is composed from nano, micro, and macro scale roughness. Therefore, mechanical parts working under very severe contact conditions, like rotor/blade contact, screws, clutch, etc. with poor initial surface finishing are susceptible to have much shorter lifetime than a quality finished parts. SCANNING 36:30-38, 2014.

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Kubiak KJ, Bigerelle M, Mathia TG, Dubois A, Dubar L. Dynamic evolution of interface roughness during friction and wear processes. Scanning. 2014 Jan;36(1):30-38. https://doi.org/10.1002/sca.21082