A Review: Microstructural and Phase Evolution in Alloys during Extended Plastic Deformation

P. Bellon*, R. S. Averback, F. Ren, N. Pant, Y. Ashkenazy

*Corresponding author for this work

Research output: Contribution to journalReview articlepeer-review

6 Scopus citations


Materials in service and during processing are often subjected to plastic deformation. For multi-phase metallic alloys, simple geometric models and atomistic simulations suggest that two distinctive regimes in these materials’ evolution during deformation exist. At low strains, evolutions are often dominated by the kinetic roughening of interfaces, which results from the superdiffusive transport of matter in sheared crystals. At high strains and temperatures where thermal diffusion is sluggish, on the other hand, shearing-induced forced atomic mixing dominates these evolutions, resulting in significantly enhanced solubility. Distinguishing these two regimes is shown to provide a convenient framework for rationalizing and analyzing recent experiments and simulations on wear of layered structures in the low strain-regime and nonequilibrium phase co-existence and self-organization in highly immiscible or reactive alloy systems in the high-strain regime.

Original languageAmerican English
Pages (from-to)2212-2224
Number of pages13
Issue number7
StatePublished - Jul 2021

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© 2021, The Minerals, Metals & Materials Society.


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