The plastic yield and flow behavior in metallic glasses

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Metallic glasses have vast potential applications as components in microelectronics- and nanoelectronics-type devices. The design of such components through computer simulations requires the input of a faithful set of continuum-based constitutive equations. However, one long-standing controversial issue in modeling the plastic behavior of metallic glasses at the continuum level is the use of the most appropriate plastic yield criterion and flow rule. Guided by a series of molecular dynamics simulations conducted at low-homologous temperatures under homogeneous deformations, we quantitatively prove that the continuum plastic behavior in metallic glasses is most accurately described by a von Mises-type plastic yield criterion and flow rule.

Original languageEnglish
Article number051903
JournalApplied Physics Letters
Volume106
Issue number5
ISSN0003-6951
DOIs
Publication statusPublished - 02.02.2015
Externally publishedYes

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