The role of triboparticulates in dry sliding wear

Jiaren Jiang, F.H. Stott, Margaret Stack

Research output: Contribution to journalArticle

167 Citations (Scopus)

Abstract

In this paper, wear processes and mechanisms for wear transitions with sliding time and temperature during sliding of a nickel-based alloy, N80A, in oxygen at temperatures to 250 degrees C are discussed. Transitions in wear from high rates to low rates with sliding time were always observed at all the temperatures investigated. The transitions in wear were usually accompanied by transitions in contact resistance between the rubbing surfaces from nearly zero to positive high values. It was found that wear debris particles were heavily involved in the wear processes. The transitions in wear and contact resistance with sliding time mainly resulted from the development of wear-protective layers following the compaction of wear debris particles on the rubbing surfaces. The adhesion of triboparticulates to each other and to the rubbing surfaces played an important role in the rapid decrease in wear rate with sliding time and with increase in temperature. Processes involved in the development of the wear-protective particle layers and mechanisms for the wear transitions have been described on the basis of experimental observations. The importance of triboparticulates in wear and its implications for wear protection are discussed.

Original languageEnglish
Pages (from-to)245-256
Number of pages12
JournalTribology International
Volume31
Issue number5
DOIs
Publication statusPublished - May 1998

Fingerprint

sliding
Wear of materials
Contact resistance
contact resistance
debris
Debris
Temperature
temperature
Nickel
wear resistance
Wear resistance
Compaction
adhesion
Adhesion
nickel
Oxygen

Keywords

  • triboparticulates
  • wear transition
  • wear debris particles
  • wear-protective layers
  • sliding wear
  • contact resistance measurments
  • oxide particles
  • stainless steel
  • tribological behaviour
  • elastic solids
  • mild wear
  • load
  • temperatures
  • transition
  • velocity

Cite this

Jiang, Jiaren ; Stott, F.H. ; Stack, Margaret. / The role of triboparticulates in dry sliding wear. In: Tribology International. 1998 ; Vol. 31, No. 5. pp. 245-256.
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The role of triboparticulates in dry sliding wear. / Jiang, Jiaren; Stott, F.H.; Stack, Margaret.

In: Tribology International, Vol. 31, No. 5, 05.1998, p. 245-256.

Research output: Contribution to journalArticle

TY - JOUR

T1 - The role of triboparticulates in dry sliding wear

AU - Jiang, Jiaren

AU - Stott, F.H.

AU - Stack, Margaret

PY - 1998/5

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N2 - In this paper, wear processes and mechanisms for wear transitions with sliding time and temperature during sliding of a nickel-based alloy, N80A, in oxygen at temperatures to 250 degrees C are discussed. Transitions in wear from high rates to low rates with sliding time were always observed at all the temperatures investigated. The transitions in wear were usually accompanied by transitions in contact resistance between the rubbing surfaces from nearly zero to positive high values. It was found that wear debris particles were heavily involved in the wear processes. The transitions in wear and contact resistance with sliding time mainly resulted from the development of wear-protective layers following the compaction of wear debris particles on the rubbing surfaces. The adhesion of triboparticulates to each other and to the rubbing surfaces played an important role in the rapid decrease in wear rate with sliding time and with increase in temperature. Processes involved in the development of the wear-protective particle layers and mechanisms for the wear transitions have been described on the basis of experimental observations. The importance of triboparticulates in wear and its implications for wear protection are discussed.

AB - In this paper, wear processes and mechanisms for wear transitions with sliding time and temperature during sliding of a nickel-based alloy, N80A, in oxygen at temperatures to 250 degrees C are discussed. Transitions in wear from high rates to low rates with sliding time were always observed at all the temperatures investigated. The transitions in wear were usually accompanied by transitions in contact resistance between the rubbing surfaces from nearly zero to positive high values. It was found that wear debris particles were heavily involved in the wear processes. The transitions in wear and contact resistance with sliding time mainly resulted from the development of wear-protective layers following the compaction of wear debris particles on the rubbing surfaces. The adhesion of triboparticulates to each other and to the rubbing surfaces played an important role in the rapid decrease in wear rate with sliding time and with increase in temperature. Processes involved in the development of the wear-protective particle layers and mechanisms for the wear transitions have been described on the basis of experimental observations. The importance of triboparticulates in wear and its implications for wear protection are discussed.

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KW - sliding wear

KW - contact resistance measurments

KW - oxide particles

KW - stainless steel

KW - tribological behaviour

KW - elastic solids

KW - mild wear

KW - load

KW - temperatures

KW - transition

KW - velocity

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