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Continuum Mechanics and Dislocation Theory
Energy Methods Employed in the Analysis of Cracks
17 other sections not shown
anticrack dislocations antiphase applied stress Burgers vectors coalescence continuous plastic crack continuum mechanics corresponding crack configuration crack dislocations crack extension force crack growth crack size curve crack surfaces decrease deformation determined discontinuous plastic crack discrete dislocation analysis discrete dislocation method dislocation configuration associated dislocation model distortion dynes/cm edge dislocation elastic crack elastic energy energy terms equation equilibrium ergs/cm finite body formation fracture free surface boundary friction stress frictional energy grain boundary Griffith crack hole illustrated in Figure increase interaction energy Jagannadham and M.J. lattice dislocations ledge steps M.J. Marcinkowski microcrack minimization nucleation obtained particular pile-up plane strain plastic shear crack plastic tensile crack plastic zone positions and Burgers preexisting crack Reprinted by permission respect Schematic illustration screw dislocation shown in Figure slip plane stress levels subroutine surface array surface boundary conditions surface dislocation array surface energy surface tension tion torsion tensor total energy type dislocations values variables