A comparison of tribological properties of evenly distributed and agglomerated diamond nanoparticles in lubricated high-load steel-steel contact

O. Elomaa (Corresponding Author), J. Oksanen, Timo J. Hakala, O. Shenderova, J. Koskinen

Research output: Contribution to journalArticleScientificpeer-review

12 Citations (Scopus)

Abstract

The tribological properties of evenly distributed and agglomerated nanodiamonds on steel contact surfaces were compared in ethylene glycol lubricated tests using a pin-on-disc tribometer with a steel counter ball. The nanodiamond distributions were studied on silicon and steel surfaces using scanning electron microscopy. Friction and wear decreasing effects were observed with both sprayed and agglomerated nanodiamonds. The average friction coefficient with pure ethylene glycol lubricated contacts decreased from 0.16 to 0.12 with agglomerated nanodiamonds when 100 N load was applied. A minimum for both disc wear rate (0.40*10-6 mm3/Nm) and ball wear rate (0.29*10-6 mm3/Nm) was observed with agglomerated nanodiamonds. One of the mechanisms of nanodiamond lubrication was observed to be the incorporation of nanodiamond particles in to the tribolayer.
Original languageEnglish
Pages (from-to)62-68
JournalTribology International
Volume71
DOIs
Publication statusPublished - 2014
MoE publication typeA1 Journal article-refereed

Fingerprint

Nanodiamonds
Diamond
Steel
Diamonds
diamonds
steels
Nanoparticles
nanoparticles
balls
glycols
ethylene
tribometers
lubrication
Ethylene Glycol
Wear of materials
coefficient of friction
Ethylene glycol
counters
friction
scanning electron microscopy

Keywords

  • diamond nanoparticles
  • lubrication
  • steel contact

Cite this

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title = "A comparison of tribological properties of evenly distributed and agglomerated diamond nanoparticles in lubricated high-load steel-steel contact",
abstract = "The tribological properties of evenly distributed and agglomerated nanodiamonds on steel contact surfaces were compared in ethylene glycol lubricated tests using a pin-on-disc tribometer with a steel counter ball. The nanodiamond distributions were studied on silicon and steel surfaces using scanning electron microscopy. Friction and wear decreasing effects were observed with both sprayed and agglomerated nanodiamonds. The average friction coefficient with pure ethylene glycol lubricated contacts decreased from 0.16 to 0.12 with agglomerated nanodiamonds when 100 N load was applied. A minimum for both disc wear rate (0.40*10-6 mm3/Nm) and ball wear rate (0.29*10-6 mm3/Nm) was observed with agglomerated nanodiamonds. One of the mechanisms of nanodiamond lubrication was observed to be the incorporation of nanodiamond particles in to the tribolayer.",
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author = "O. Elomaa and J. Oksanen and Hakala, {Timo J.} and O. Shenderova and J. Koskinen",
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A comparison of tribological properties of evenly distributed and agglomerated diamond nanoparticles in lubricated high-load steel-steel contact. / Elomaa, O. (Corresponding Author); Oksanen, J.; Hakala, Timo J.; Shenderova, O.; Koskinen, J.

In: Tribology International, Vol. 71, 2014, p. 62-68.

Research output: Contribution to journalArticleScientificpeer-review

TY - JOUR

T1 - A comparison of tribological properties of evenly distributed and agglomerated diamond nanoparticles in lubricated high-load steel-steel contact

AU - Elomaa, O.

AU - Oksanen, J.

AU - Hakala, Timo J.

AU - Shenderova, O.

AU - Koskinen, J.

PY - 2014

Y1 - 2014

N2 - The tribological properties of evenly distributed and agglomerated nanodiamonds on steel contact surfaces were compared in ethylene glycol lubricated tests using a pin-on-disc tribometer with a steel counter ball. The nanodiamond distributions were studied on silicon and steel surfaces using scanning electron microscopy. Friction and wear decreasing effects were observed with both sprayed and agglomerated nanodiamonds. The average friction coefficient with pure ethylene glycol lubricated contacts decreased from 0.16 to 0.12 with agglomerated nanodiamonds when 100 N load was applied. A minimum for both disc wear rate (0.40*10-6 mm3/Nm) and ball wear rate (0.29*10-6 mm3/Nm) was observed with agglomerated nanodiamonds. One of the mechanisms of nanodiamond lubrication was observed to be the incorporation of nanodiamond particles in to the tribolayer.

AB - The tribological properties of evenly distributed and agglomerated nanodiamonds on steel contact surfaces were compared in ethylene glycol lubricated tests using a pin-on-disc tribometer with a steel counter ball. The nanodiamond distributions were studied on silicon and steel surfaces using scanning electron microscopy. Friction and wear decreasing effects were observed with both sprayed and agglomerated nanodiamonds. The average friction coefficient with pure ethylene glycol lubricated contacts decreased from 0.16 to 0.12 with agglomerated nanodiamonds when 100 N load was applied. A minimum for both disc wear rate (0.40*10-6 mm3/Nm) and ball wear rate (0.29*10-6 mm3/Nm) was observed with agglomerated nanodiamonds. One of the mechanisms of nanodiamond lubrication was observed to be the incorporation of nanodiamond particles in to the tribolayer.

KW - diamond nanoparticles

KW - lubrication

KW - steel contact

U2 - 10.1016/j.triboint.2013.11.007

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JO - Tribology International

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SN - 0301-679X

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