Microtribology and friction-induced material transfer in WS2 nanoparticle additives

Carlos Drummond; Norma Alcontar; Jacob Israelachvili; Reshef Tenne; Yuval Golan

doi:10.1002/1616-3028(200110)11:5<348::AID-ADFM348>3.0.CO;2-S

Microtribology and friction-induced material transfer in WS₂ nanoparticle additives

Carlos Drummond
, Norma Alcontar
, Jacob Israelachvili
, Reshef Tenne
, Yuval Golan

Department of Materials Engineering

Research output: Contribution to journal › Article › peer-review

72 Scopus citations

Abstract

The tribological behavior of platelet and nested colloidal particles of tungsten disulfide was studied using the surface forces apparatus, atomic force microscopy, lateral force microscopy, and Auger spectroscopy. Shear-induced material transfer from the colloidal particles to the surfaces was shown to be a dominant factor in the tribological behavior observed for both structures. An ultrathin, ordered layer was observed when nested particles were sheared, while WS₂ platelets produced a rough and disordered transfer layer, with substantially inferior lubricating properties.

Original language	English
Pages (from-to)	348-354
Number of pages	7
Journal	Advanced Functional Materials
Volume	11
Issue number	5
DOIs	https://doi.org/10.1002/1616-3028(200110)11:5<348::AID-ADFM348>3.0.CO;2-S
State	Published - 1 Oct 2001

ASJC Scopus subject areas

Electronic, Optical and Magnetic Materials
General Chemistry
Biomaterials
General Materials Science
Condensed Matter Physics
Electrochemistry

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10.1002/1616-3028(200110)11:5<348::AID-ADFM348>3.0.CO;2-S

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AU - Alcontar, Norma

AU - Israelachvili, Jacob

AU - Tenne, Reshef

AU - Golan, Yuval

PY - 2001/10/1

Y1 - 2001/10/1

N2 - The tribological behavior of platelet and nested colloidal particles of tungsten disulfide was studied using the surface forces apparatus, atomic force microscopy, lateral force microscopy, and Auger spectroscopy. Shear-induced material transfer from the colloidal particles to the surfaces was shown to be a dominant factor in the tribological behavior observed for both structures. An ultrathin, ordered layer was observed when nested particles were sheared, while WS2 platelets produced a rough and disordered transfer layer, with substantially inferior lubricating properties.

AB - The tribological behavior of platelet and nested colloidal particles of tungsten disulfide was studied using the surface forces apparatus, atomic force microscopy, lateral force microscopy, and Auger spectroscopy. Shear-induced material transfer from the colloidal particles to the surfaces was shown to be a dominant factor in the tribological behavior observed for both structures. An ultrathin, ordered layer was observed when nested particles were sheared, while WS2 platelets produced a rough and disordered transfer layer, with substantially inferior lubricating properties.

UR - https://www.scopus.com/pages/publications/0035473188

U2 - 10.1002/1616-3028(200110)11:5<348::AID-ADFM348>3.0.CO;2-S

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Microtribology and friction-induced material transfer in WS₂ nanoparticle additives

Abstract

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