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 language | English |
|---|---|
| Title of host publication | Handbook of Damage Mechanics |
| Subtitle of host publication | Nano to Macro Scale for Materials and Structures: Second Edition: Volume 1 |
| Publisher | Springer International Publishing |
| Pages | 1251-1276 |
| Number of pages | 26 |
| Volume | 1 |
| ISBN (Electronic) | 9783030602420 |
| ISBN (Print) | 9783030602413 |
| DOIs | |
| State | Published - 1 Jan 2022 |
| Externally published | Yes |
Keywords
- Crystal plasticity
- Intergranular crack
- Slip rate
- Slip system
- Strain gradient
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