Atomistic simulation of aging and rejuvenation in glasses

Marcel Utz, Pablo G. Debenedetti, Frank H. Stillinger

Research output: Contribution to journalArticle

154 Scopus citations

Abstract

Slow structural relaxation (“aging”) observed in many atomic, molecular, and polymeric glasses substantially alters their stress-strain relations and can produce a distinctive yield point. Using Monte Carlo simulation for a binary Lennard-Jones mixture, we have observed these phenomena and their cooling-rate dependences for the first time in an atomistic model system. We also observe that aging effects can be reversed by plastic deformation (“rejuvenation”), whereby the system is expelled from the vicinity of deep minima in its potential energy surface.

Original languageEnglish (US)
Pages (from-to)1471-1474
Number of pages4
JournalPhysical review letters
Volume84
Issue number7
DOIs
StatePublished - Jan 1 2000

All Science Journal Classification (ASJC) codes

  • Physics and Astronomy(all)

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