Observed transition from linear to non-linear friction-load behavior using a lateral force microscope

Reitsma, Mark G., Cain, Robert G., Biggs, Simon and Smith, David W. (2006) Observed transition from linear to non-linear friction-load behavior using a lateral force microscope. Applied Surface Science, 252 14: 4964-4968. doi:10.1016/j.apsusc.2005.08.003


Author Reitsma, Mark G.
Cain, Robert G.
Biggs, Simon
Smith, David W.
Title Observed transition from linear to non-linear friction-load behavior using a lateral force microscope
Journal name Applied Surface Science   Check publisher's open access policy
ISSN 0169-4332
1873-5584
Publication date 2006-05-15
Year available 2005
Sub-type Letter to editor, brief commentary or brief communication
DOI 10.1016/j.apsusc.2005.08.003
Open Access Status Not yet assessed
Volume 252
Issue 14
Start page 4964
End page 4968
Total pages 5
Place of publication Amsterdam, 1000 AE Netherlands
Publisher Elsevier BV * North-Holland
Language eng
Abstract The most commonly observed friction behavior for sliding systems is that described by Amontons laws of friction. In this case, sliding friction is independent of the gross or apparent area of contact between the materials and a linear function of the applied normal load, where the constant of proportionality is called the friction coefficient. However, for dry sliding solids in contact via a single-asperity junction, Amontons (linear) friction-load behavior is not strictly relevant. In experiments measuring sliding friction between a silicon tip and a quartz surface using an atomic force microscope (AFM), a transition from linear to non-linear friction-load behavior has been observed. This is proposed to result from a nanoscale 'conditioning' of a multiple-contact tip-surface interface to form a single-asperity contact.
Keyword Adhesion
Atomic Force Microscope
Contact mechanics
Friction
Wear
Q-Index Code CX
Q-Index Status Provisional Code
Institutional Status Non-UQ

Document type: Journal Article
Sub-type: Letter to editor, brief commentary or brief communication
Collection: Faculty of Engineering, Architecture and Information Technology Publications
 
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