Beyond the ``principle of local symmetry'': derivation of a general crack propagation law
Preprint
- 24 April 1992
Abstract
We derive a general crack propagation law for slow brittle cracking, in two and three dimensions, using symmetry, gauge invariance, and gradient expansions. Our derivation provides explicit justification for the ``principle of local symmetry,'' which has been used extensively to describe two dimensional crack growth, but goes beyond that principle to describe three dimensional crack phenomena as well. We also find that there are new materials properties needed to describe the growth of general cracks in three dimensions, besides the fracture toughness and elastic constants previously used to describe cracking.Keywords
All Related Versions
- Version 1, 1992-04-24, ArXiv
- Published version: Physical Review B, 47 (9), 4831.
This publication has 0 references indexed in Scilit: