In situ pressure measurements in dimpled elastohydrodynamic sliding contacts by Raman microspectroscopy

Kazuyuki Yagi, Philippe Vergne, Tsunamitsu Nakahara

Research output: Contribution to journalArticle

20 Citations (Scopus)

Abstract

In situ pressure measurements within dimples formed in glass-steel point contacts under various sliding conditions were performed using Raman microspectroscopy. Experiments were conducted using a ball-on-disc type apparatus in which a circular contact is formed between a rotating glass disc and a rotating steel ball. Film thickness distributions were measured by duochromatic optical interferometry. Polyphenyl ether oil (5P4E) which has a high pressure-viscosity coefficient was used to produce a dimple in the contact area. Experimental results show that the pressure increases locally in the dimple zone and the pressure profile changes, accompanying the changes of the dimple location as a function of the slide-to-roll ratio. The maximum pressure is located downstream the maximum height of the dimple. The rheological response of the oil film under dimple occurrence conditions is discussed.

Original languageEnglish
Pages (from-to)724-730
Number of pages7
JournalTribology International
Volume42
Issue number5
DOIs
Publication statusPublished - Jan 1 2009

Fingerprint

elastohydrodynamics
Elastohydrodynamics
sliding contact
pressure measurement
Pressure measurement
polyphenyl ether
balls
Steel
oils
steels
Oils
glass
chutes
Glass
sliding
Point contacts
interferometry
film thickness
Interferometry
occurrences

All Science Journal Classification (ASJC) codes

  • Mechanics of Materials
  • Mechanical Engineering
  • Surfaces and Interfaces
  • Surfaces, Coatings and Films

Cite this

In situ pressure measurements in dimpled elastohydrodynamic sliding contacts by Raman microspectroscopy. / Yagi, Kazuyuki; Vergne, Philippe; Nakahara, Tsunamitsu.

In: Tribology International, Vol. 42, No. 5, 01.01.2009, p. 724-730.

Research output: Contribution to journalArticle

@article{26c0ce22911f4e88bd45878de4ecbfb6,
title = "In situ pressure measurements in dimpled elastohydrodynamic sliding contacts by Raman microspectroscopy",
abstract = "In situ pressure measurements within dimples formed in glass-steel point contacts under various sliding conditions were performed using Raman microspectroscopy. Experiments were conducted using a ball-on-disc type apparatus in which a circular contact is formed between a rotating glass disc and a rotating steel ball. Film thickness distributions were measured by duochromatic optical interferometry. Polyphenyl ether oil (5P4E) which has a high pressure-viscosity coefficient was used to produce a dimple in the contact area. Experimental results show that the pressure increases locally in the dimple zone and the pressure profile changes, accompanying the changes of the dimple location as a function of the slide-to-roll ratio. The maximum pressure is located downstream the maximum height of the dimple. The rheological response of the oil film under dimple occurrence conditions is discussed.",
author = "Kazuyuki Yagi and Philippe Vergne and Tsunamitsu Nakahara",
year = "2009",
month = "1",
day = "1",
doi = "10.1016/j.triboint.2008.10.005",
language = "English",
volume = "42",
pages = "724--730",
journal = "Tribology International",
issn = "0301-679X",
publisher = "Elsevier Inc.",
number = "5",

}

TY - JOUR

T1 - In situ pressure measurements in dimpled elastohydrodynamic sliding contacts by Raman microspectroscopy

AU - Yagi, Kazuyuki

AU - Vergne, Philippe

AU - Nakahara, Tsunamitsu

PY - 2009/1/1

Y1 - 2009/1/1

N2 - In situ pressure measurements within dimples formed in glass-steel point contacts under various sliding conditions were performed using Raman microspectroscopy. Experiments were conducted using a ball-on-disc type apparatus in which a circular contact is formed between a rotating glass disc and a rotating steel ball. Film thickness distributions were measured by duochromatic optical interferometry. Polyphenyl ether oil (5P4E) which has a high pressure-viscosity coefficient was used to produce a dimple in the contact area. Experimental results show that the pressure increases locally in the dimple zone and the pressure profile changes, accompanying the changes of the dimple location as a function of the slide-to-roll ratio. The maximum pressure is located downstream the maximum height of the dimple. The rheological response of the oil film under dimple occurrence conditions is discussed.

AB - In situ pressure measurements within dimples formed in glass-steel point contacts under various sliding conditions were performed using Raman microspectroscopy. Experiments were conducted using a ball-on-disc type apparatus in which a circular contact is formed between a rotating glass disc and a rotating steel ball. Film thickness distributions were measured by duochromatic optical interferometry. Polyphenyl ether oil (5P4E) which has a high pressure-viscosity coefficient was used to produce a dimple in the contact area. Experimental results show that the pressure increases locally in the dimple zone and the pressure profile changes, accompanying the changes of the dimple location as a function of the slide-to-roll ratio. The maximum pressure is located downstream the maximum height of the dimple. The rheological response of the oil film under dimple occurrence conditions is discussed.

UR - http://www.scopus.com/inward/record.url?scp=60649107305&partnerID=8YFLogxK

UR - http://www.scopus.com/inward/citedby.url?scp=60649107305&partnerID=8YFLogxK

U2 - 10.1016/j.triboint.2008.10.005

DO - 10.1016/j.triboint.2008.10.005

M3 - Article

AN - SCOPUS:60649107305

VL - 42

SP - 724

EP - 730

JO - Tribology International

JF - Tribology International

SN - 0301-679X

IS - 5

ER -