In materials science, asperity, defined as "unevenness of surface, roughness, ruggedness" (from the Latin asper—"rough"), has implications (for example)...

MV Asperity, a British coaster in service 1945-67 Asperity (materials science), the unevenness of a surface, in physics and in seismology, Asperity (geotechnical...

generally begins with the failure of an asperity, allowing the fault to move. Asperity (materials science) Asperity (geotechnical engineering) Earthquake...

Surface metrology Surface roughness measurement ISO 25178 Waviness Asperity (materials science) Zhai, C.; Gan, Y.; Hanaor, D.; Proust, G.; Retraint, D. (2016)...

in the materials. In solid surface contact or unlubricated conditions, the initial contact is characterized by the interaction between asperities and the...

the asperity in a long, elongated shape. If the asperity is relatively hard, the debris will accumulate in front of the asperity. If the asperity is relatively...

simple model used to describe sliding wear and is based on the theory of asperity contact. The Archard equation was developed much later than Reye's hypothesis [it]...

stress levels that do not cause breaking of the asperities. Materials science recognizes asperities ranging from the sub-visual (normally less than 0...

in situ by single-asperity sliding contacts" (PDF). Science. 348 (6230): 102–106. Bibcode:2015Sci...348..102G. doi:10.1126/science.1258788. ISSN 0036-8075...

such as asperities for contacts based upon the work of Frank Philip Bowden and David Tabor. Triboelectric charging occurs when two materials are brought...

effect Aspect ratio (wing) Aspera European Astroparticle network Asperity (materials science) Aspheric lens Aspirator (pump) Associated Legendre polynomials...

geomembranes in the as-manufactured state are: Thickness (smooth sheet, textured, asperity height) Density Melt flow index Mass per unit area (weight) Vapor transmission...

indeed, it is often used to reduce the roughness of some materials, eliminating the asperities. Erroneously we tend to imagine wear in a direct correlation...

consisting of large numbers of asperities. As two solid bodies of the same material approach one another, the asperities interact, and they transition...

droplet sizes under different initial conditions. Consideration of a single asperity, or surface protrusion, allows for measurement of a very specific cross-section...

tangential to the surface. Fretting is caused by adhesion of contact surface asperities, which are subsequently broken again by the small movement. This breaking...

the infinite integrals of the asperity height distribution for the Greenwood-Williamson and the Greenwood-Tripp asperity contact models". Tribology International...

properties. Contacts can be produced from a wide variety of materials. Typical materials include: Silver alloys Gold Platinum-group metals Carbon Contacts...

Harp and Salent extended the average flow model by considering the inter-asperity cavitation. Chengwei and Linqing used an analysis of the surface height...

presence of a packing material inside an electric field generates local field enhancements due to the presence of asperities, solid material surface inhomogeneities...

creating small asperities that roughen the aragonite-protein interface. The additional friction generated by the asperities helps the material withstand shear...

expertise in Vacuum, Materials and Thin films: - Vacuum and UHV with mechanics (chambers, components, gauges, pumps ...) - Inorganic materials from Aluminum...

"Modeling of ultralyophobicity: Suspension of liquid drops by a single asperity". Langmuir. 21 (23): 10370–10374. doi:10.1021/la0513050. PMID 16262294...

cycles, full and partial ruptures, and deterministic chaos in a single asperity fault". Tectonophysics. 768: 228171. Bibcode:2019Tectp.76828171B. doi:10...

passing high electric current through a powder to preferentially heat the asperities. Most of the energy serves to melt that portion of the compact where migration...

spontaneous membrane penetration at edge asperities and corner sites". Proceedings of the National Academy of Sciences. 110 (30): 12295–12300. Bibcode:2013PNAS...

Goedecke, Andreas (2014). Transient Effects in Friction: Fractal Asperity Creep. Springer Science and Business Media. p. 3. ISBN 978-3-7091-1506-0. Benjamin...

irregularities or asperities along the fault surface that increases the frictional resistance. Most fault surfaces do have such asperities, which leads to...

119–121 Pelletier, pp. 34–36. Sotolongo-Costa O., Posadas A., "Fragment-Asperity Interaction Model for Earthquakes", Phys. Rev. Lett. 92 (2004) 048501....

diffusion process, a high force is applied to plastically deform the surface asperities in the film, i.e. reducing bow and warp of the metal. Further, the applied...