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From Single Crystal to Polycrystal Plasticity: Overview of Main Approaches

  • Office national d'études et de recherches aérospatiales

Research output: Chapter in Book/Report/Conference proceedingChapterpeer-review

Abstract

This chapter provides a brief overview of the different continuum mechanics approaches used to describe the deformation behavior of either single crystals or individual grains in polycrystalline metallic materials. The crucial role that physics-based crystal plasticity approaches may play in understanding the mechanisms of damage initiation and growth is addressed. This includes a discussion of the main strain gradient constitutive approaches used to describe size effects in crystalline solids. Finally, representative examples are given about the effect of the local stress and strain fields in the mechanisms of intergranular damage initiation and growth in FCC polycrystal materials.

Original languageEnglish
Title of host publicationHandbook of Damage Mechanics
Subtitle of host publicationNano to Macro Scale for Materials and Structures: Second Edition: Volume 1
PublisherSpringer International Publishing
Pages1251-1276
Number of pages26
Volume1
ISBN (Electronic)9783030602420
ISBN (Print)9783030602413
DOIs
StatePublished - 1 Jan 2022
Externally publishedYes

Keywords

  • Crystal plasticity
  • Intergranular crack
  • Slip rate
  • Slip system
  • Strain gradient

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