A dislocation-based analytical model for the nanoscale processes of shear and plowing friction

A. M'Ndange-Pfupfu; L. D. Marks

doi:10.1007/s11249-010-9629-x

A dislocation-based analytical model for the nanoscale processes of shear and plowing friction

A. M'Ndange-Pfupfu^*, L. D. Marks

^*Corresponding author for this work

Materials Science and Engineering

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

14 Scopus citations

Abstract

We describe a friction model to link the continuum-based shear and plowing method of Bowden and Tabor with the atomistic processes that occur at the nanoscale. We show that the interfacial shear component can be modeled via dislocation drag at the interface, and the plowing in terms of power-law creep. We show that without empirical friction measurements, this approach has a strong predictive power for the interfacial sliding of crystalline materials.

Original language	English (US)
Pages (from-to)	163-167
Number of pages	5
Journal	Tribology Letters
Volume	39
Issue number	2
DOIs	https://doi.org/10.1007/s11249-010-9629-x
State	Published - Aug 2010

Keywords

Contact mechanics
Friction mechanisms
Nanotribology

ASJC Scopus subject areas

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

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10.1007/s11249-010-9629-x

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abstract = "We describe a friction model to link the continuum-based shear and plowing method of Bowden and Tabor with the atomistic processes that occur at the nanoscale. We show that the interfacial shear component can be modeled via dislocation drag at the interface, and the plowing in terms of power-law creep. We show that without empirical friction measurements, this approach has a strong predictive power for the interfacial sliding of crystalline materials.",

keywords = "Contact mechanics, Friction mechanisms, Nanotribology",

author = "A. M'Ndange-Pfupfu and Marks, {L. D.}",

note = "Funding Information: Acknowledgments The authors would like to acknowledge Arno Merkle for initial discussions about dislocations{\textquoteright} role in friction, and thank the U.S. Air Force Office of Scientific Research for funding this study on grant number FA9550-08-1-0016.",

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AU - Marks, L. D.

N1 - Funding Information: Acknowledgments The authors would like to acknowledge Arno Merkle for initial discussions about dislocations’ role in friction, and thank the U.S. Air Force Office of Scientific Research for funding this study on grant number FA9550-08-1-0016.

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N2 - We describe a friction model to link the continuum-based shear and plowing method of Bowden and Tabor with the atomistic processes that occur at the nanoscale. We show that the interfacial shear component can be modeled via dislocation drag at the interface, and the plowing in terms of power-law creep. We show that without empirical friction measurements, this approach has a strong predictive power for the interfacial sliding of crystalline materials.

AB - We describe a friction model to link the continuum-based shear and plowing method of Bowden and Tabor with the atomistic processes that occur at the nanoscale. We show that the interfacial shear component can be modeled via dislocation drag at the interface, and the plowing in terms of power-law creep. We show that without empirical friction measurements, this approach has a strong predictive power for the interfacial sliding of crystalline materials.

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KW - Friction mechanisms

KW - Nanotribology

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A dislocation-based analytical model for the nanoscale processes of shear and plowing friction

Abstract

Keywords

ASJC Scopus subject areas

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