Dry and lubricated sliding friction for rubber on concrete: the role of surface energies.
biomechanical · Level V
Where this comes from
- Record sourced from PubMed, PMID 39311896.
- Also identified by DOI 10.1039/d4sm00843j.
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Abstract
We study the influence of lubricant fluids (water-glycerol mixtures) on rubber sliding friction for two different rubber tread compounds on a concrete surface. We find that for the lubricated contacts the sliding friction below a critical velocity <i>v</i><sub>c</sub> is similar to that of the dry contact, but for <i>v</i> > <i>v</i><sub>c</sub> the friction drops fast with increasing sliding speed. We discuss the origin of this effect and show that it is not a "normal" mixed lubrication effect but depends on surface (or interfacial) energies.