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Wetting phenomena plays an interesting role in the technological development of materials. Recently, much attention has been directed to the study of magnetic solid films. To understand, theoretically, the effect of surface on wetting and…

Materials Science · Physics 2007-05-23 H. Ez-Zahraouy , A. Benyoussef , L. Bahmad

The ice surface softening during friction is shown as a result of spontaneous appearance of shear strain caused by external supercritical heating. This transformation is described by the Kelvin-Voigt equation for viscoelastic medium, by the…

Soft Condensed Matter · Physics 2017-02-13 A. V. Khomenko , K. P. Khomenko , V. V. Falko

In the framework of the suggested in [arxiv:1803.08247 [cond-mat.mtrl-sci]] statistical theory of the equilibrium flow stress, including yield strength, ${\sigma}_y$, of polycrystalline materials under quasi-static (in case of tensile…

Materials Science · Physics 2020-01-01 Alexander A. Reshetnyak

Simulations are used to examine the microscopic origins of strain hardening in polymer glasses. While traditional entropic network models can be fit to the total stress, their underlying assumptions are inconsistent with simulation results.…

Materials Science · Physics 2009-11-13 Robert S. Hoy , Mark O. Robbins

For the contact of two finite portions of interacting rigid crystalline surfaces, we compute the dependence of the pinning energy barrier on the misfit angle and contact area. The resulting data are used to investigate the distribution of…

Statistical Mechanics · Physics 2011-07-19 Nicola Manini , O. M. Braun

Silicon wafer and multilayer-coated mirror samples were exposed to impact of drops of molten tin to examine the adhesion behavior and cleaning possibilities. The sticking of tin droplets to horizontal substrates was examined for different…

Applied Physics · Physics 2019-09-04 Norbert Böwering , Christian Meier

Melting behaviors of aluminum (111) perfect/nonperfect surfaces, characterized by structure ordering parameter, have been investigated by classical molecular dynamics simulation with embedded atom method potential. Al (111) perfect surface…

Materials Science · Physics 2015-05-14 F. L. Tang , X. G. Cheng , W. J. Lu , W. Y. Yu

Recent measurements show that the free surfaces of liquid metals and alloys are always layered, regardless of composition and surface tension; a result supported by three decades of simulations and theory. Recent theoretical work claims,…

Soft Condensed Matter · Physics 2007-05-23 Oleg Shpyrko , Masafumi Fukuto , Peter Pershan , Ben Ocko , Ivan Kuzmenko , Thomas Gog , Moshe Deutsch

Temperature increase in saturated porous materials under undrained conditions leads to thermal pressurization of the pore fluid due to the discrepancy between the thermal expansion coefficients of the pore fluid and of the solid matrix.…

Geophysics · Physics 2009-03-02 Siavash Ghabezloo , Jean Sulem

Extensive measurements of macroscopic stress in a 2D LJ glass, over a broad range of temperatures ($T$) and strain rates ($\dot\gamma$), demonstrate a very significant decrease of the flowing stress with $T$, even much below the glass…

Materials Science · Physics 2015-05-18 Joyjit Chattoraj , Christiane Caroli , Anaël Lemaître

Spontaneous strain localization occurs during mechanical tests of a model amorphous solid simulated using molecular dynamics. The degree of localization depends upon the extent of structural relaxation prior to mechanical testing. In the…

Materials Science · Physics 2007-05-23 Yunfeng Shi , Michael L. Falk

Digital image correlation of laser-ablated platinum nanoparticles on the surface of a polycrystalline metal (nickel-based superalloy Rene 88DT) was used to obtain the local strain behavior from an in situ scanning electron microscope…

Materials Science · Physics 2013-09-02 M. A. Tschopp , B. B. Bartha , W. J. Porter , P. T. Murray , S. B. Fairchild

Exploring new topological materials with large topological nontrivial bandgaps and simple composition is attractive for both theoretical investigation and experimental realization. Recently alpha tin ({\alpha}-Sn) has been predicted to be…

Materials Science · Physics 2019-12-10 Huanhuan Song , Jinshan Yao , Yuanfeng Ding , Yu Gu , Yu Deng , Ming-Hui Lu , Hong Lu , Yan-Feng Chen

The dielectric properties of NiO thin films grown by pulsed laser deposition have been studied as a function of strain at temperature from 10 to 300 K. Above 150 K, the contribution of space-charge polarization to the dielectric…

Materials Science · Physics 2019-06-04 Alireza Kashir , Hyeon-Woo Jeong , Gil-ho Lee , Pavlo Mikheenko , Yoon Hee Jeong

The ice surface is known for presenting a very small kinetic friction coefficient, but the origin of this property remains highly controversial to date. In this work, we revisit recent computer simulations of ice sliding on atomically…

Mesoscale and Nanoscale Physics · Physics 2024-02-08 Lukasz Baran , Luis G. MacDowell

We report the reduction in residual stress of AlN thin films and also the crystal structure, surface morphology and nanomechanical properties of magnetron sputtered as a function of substrate temperature (Ts, 35 - 600 ?C). The residual…

Materials Science · Physics 2017-07-25 Padmalochan Panda , R. Ramaseshan , N Ravi , G. Mangamma , Feby Jose , S. Dash , K. Suzuki , H. Suematsu

This work investigates the mechanisms of crystal nucleation in metal melts, in dependence on the influence of their shape and volume. Investigations were conducted on both thin flat and bulk samples prepared of low-temperature Wood's metal…

Materials Science · Physics 2025-07-08 A. S. Nuradinov , K. A. Sirenko , I. A. Nuradinov , O. V. Chystiakov , D. O. Derecha

We consider a free liquid sheet, taking into account the dependence of surface tension on temperature, or concentration of some pollutant. The sheet dynamics are described within a long-wavelength description. In the presence of viscosity,…

Fluid Dynamics · Physics 2018-03-14 Georgy Kitavtsev , Marco A. Fontelos , Jens Eggers

We study the influence of surface roughness on the adhesion of elastic solids. Most real surfaces have roughness on many different length scales, and this fact is taken into account in our analysis. We consider in detail the case when the…

Materials Science · Physics 2009-11-07 B. N. J. Persson , E. Tosatti

A deterministic theory describing the melting of an ultrathin lubricant film between two atomically smooth solid surfaces has been developed. The lubricant state is described by introducing a parameter of excess volume that arises owing to…

Fluid Dynamics · Physics 2011-03-31 I. A. Lyashenko , A. V. Khomenko , L. S. Metlov