The DOI matches its Crossref record; 1 of the 1 references it cites were found in a registry or an index.
Friction model for the velocity dependence of nanoscale friction
Open accessAbstract
The velocity dependence of nanoscale friction is studied for the first time over a wide range of velocities between 1 microm s(-1) and 10 mm s(-1) on large scan lengths of 2 and 25 microm. High sliding velocities are achieved by modifying an existing commercial atomic force microscope (AFM) setup with a custom calibrated nanopositioning piezo stage. The friction and adhesive force dependences on velocity are studied on four different sample surfaces, namely dry (unlubricated), hydrophilic Si(100); dry, partially hydrophobic diamond-like carbon (DLC); a partially hydrophobic self-assembled monolayer (SAM) of hexadecanethiol (HDT); and liquid perfluoropolyether lubricant, Z-15. The friction force values are seen to reverse beyond a certain critical velocity for all the sample surfaces studied. A comprehensive friction model is developed to explain the velocity dependence of nanoscale friction, taking into consideration the contributions of adhesion at the tip-sample interface, high impact velocity-related deformation at the contacting asperities and atomic scale stick-slip. A molecular spring model is used for explaining the velocity dependence of friction force for HDT.
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Citations
Cites
Velocity Dependence of Atomic Friction
Gnecco, E., Bennewitz, R., Gyalog, T., Loppacher, C., Bammerlin, M., Meyer, E., & Güntherodt, H.-J. (2000) · Physical Review Letters · doi:10.1103/physrevlett.84.1172 · Cited by 649 · cited 2×
“Gnecco et al [35] have derived an expression for the lateral force (friction force) based upon the thermally activated jumps of the atoms in the contact”
Background
Cited by
Atomistic Wear in a Single Asperity Sliding Contact
Gotsmann, B., & Lantz, M. A. (2008) · Physical Review Letters · doi:10.1103/physrevlett.101.125501 · Cited by 276
Bennewitz, R. (2005) · Materials Today · doi:10.1016/s1369-7021(05)00845-x · Cited by 60
Metadata
- Authors
- Tambe, N. S., & Bhushan, B.
- Venue
- Nanotechnology
- Publisher
- IOP Publishing
- Published
- 2005-08-26
- Volume
- 16
- Issue
- 10
- Pages
- 2309-2324
- ISSN
- 0957-4484 (ISSN-L)
- 1361-6528
- OpenAlex
- W2080645891
- Cited by
- 164
- References
- 1
- FWCI
- 6.76
- Type
- journal article
- Language
- en
- Open access
- bronze
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Contains information from the Semantic Scholar Academic Graph Datasets, made available under the ODC Attribution License (ODC-BY 1.0).
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