Publication Date:
2019-07-12
Description:
Cracks and dislocation pile-ups are equivalent to each other. In this paper, the physical equivalence between cracks and pile-ups is delineated, and the relationshps between crack-extension force, force on the leading dislocation, stress-intensity factor, and dislocation density are reviewed and summarized. These relations make it possible to extend quantitatively the recent advances in the concepts and practices of fracture mechanics to the studies of microfractures and microplastic deformations.
Keywords:
STRUCTURAL MECHANICS
Type:
Theoretical and Applied Fracture Mechanics (ISSN 0167-8442); 12; 195-204
Format:
text