Relations between material mechanical parameters and interparticle potential in amorphous solids
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AbstractThe shear modulus and yield stress of amorphous solids are important material parameters, with the former determining the rate of increase in stress under external strain and the latter being the stress value at which the material flows in a plastic manner. It is therefore important to understand how these parameters can be related to the interparticle potential. Here a scaling theory is presented such that given the interparticle potential, the dependence of the yield stress, and the shear modulus on the density of the solid can be predicted in the athermal limit. It is explained when such prediction is possible at all densities and when it is only applicable at high densities.
All Author(s) ListLerner E, Procaccia I, Ching ESC, Hentschel HGE
Journal namePhysical review B: Condensed matter and materials physics
Volume Number79
Issue Number18
PublisherAmerican Physical Society
LanguagesEnglish-United Kingdom
Keywordsamorphous state; plastic flow; shear modulus; yield stress
Web of Science Subject CategoriesPhysics; Physics, Condensed Matter; PHYSICS, CONDENSED MATTER

Last updated on 2020-15-09 at 00:54