Interpreting the internal length scale in strain gradient plasticity

Research output: Contribution to journalArticle

13 Scopus citations

Abstract

Gradient plasticity frameworks arise from the consideration of the gradient of the plastic strain as an independent variable. In doing so a new material parameter, the internal length (or gradient coefficient) is introduced, which governs the gradient effects. Despite the efficiency of these theories, there does not exist a unified interpretation of the internal length, and its relationship with the material microstructure has not been clearly understood. The present article provides a review on the various interpretations that recent studies have provided for the internal length that go beyond fitting it to experimental data.

Original languageEnglish (US)
Pages (from-to)72-83
Number of pages12
JournalReviews on Advanced Materials Science
Volume41
Issue number1
StatePublished - 2015

ASJC Scopus subject areas

  • Materials Science(all)
  • Condensed Matter Physics

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