Dynamics of Large-Scale Plastic Deformation and the Necking Instability in Amorphous Solids

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dc.creatorEastgate, L. O.
dc.creatorLanger, J. S.
dc.creatorPechenik, L.
dc.date2002-06-19
dc.date2002-09-14
dc.date.accessioned2026-07-07T02:45:54Z
dc.date.available2026-07-07T02:45:54Z
dc.descriptionWe use the shear transformation zone (STZ) theory of dynamic plasticity to study the necking instability in a two-dimensional strip of amorphous solid. Our Eulerian description of large-scale deformation allows us to follow the instability far into the nonlinear regime. We find a strong rate dependence; the higher the applied strain rate, the further the strip extends before the onset of instability. The material hardens outside the necking region, but the description of plastic flow within the neck is distinctly different from that of conventional time-independent theories of plasticity.
dc.description4 pages, 3 figures (eps), revtex4, added references, changed and added content, resubmitted to PRL
dc.identifierhttps://arxiv.org/abs/cond-mat/0206363
dc.identifierhttp://arxiv.org/abs/cond-mat/0206363
dc.identifierPhys. Rev. Lett. 90, 045506 (2003)
dc.identifierdoi:10.1103/PhysRevLett.90.045506
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/19474
dc.subjectMaterials Science
dc.subjectSoft Condensed Matter
dc.titleDynamics of Large-Scale Plastic Deformation and the Necking Instability in Amorphous Solids
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