Dislocation emission criterion from a blunt crack tip

DOI10.1016/j.jmps.2004.03.003zbMath1078.74045OpenAlexW2033774528MaRDI QIDQ2573294

Zhonghua Li, Mingxin Huang

Publication date: 7 November 2005

Published in: Journal of the Mechanics and Physics of Solids (Search for Journal in Brave)

Full work available at URL: https://doi.org/10.1016/j.jmps.2004.03.003

zbMATH Keywords

elliptical holecritical stress intensity factorslong slit

Mathematics Subject Classification ID

Brittle fracture (74R10) Stress concentrations, singularities in solid mechanics (74G70) Explicit solutions of equilibrium problems in solid mechanics (74G05)

Related Items (14)

Shielding effects of disclinations on the elliptical blunt crack ⋮ Effect of nanoscale amorphization on dislocation emission from a semi-elliptical surface crack tip in nanocrystalline materials ⋮ A screw dislocation interacting with a semi-infinite crack partially penetrating a parabolic elastic inhomogeneity ⋮ Effect of cooperative grain boundary sliding and migration on dislocation emitting from a semi-elliptical blunt crack tip in nanocrystalline solids ⋮ Shielding effect and emission condition of a screw dislocation near a blunt crack in elliptical inhomogeneity ⋮ Crack tip enhanced phase-field model for crack evolution in crystalline Ti6Al from concurrent crystal plasticity FE-molecular dynamics simulations ⋮ Effects of intergrain sliding on crack growth in nanocrystalline materials ⋮ A screw dislocation near a semi-infinite crack partially penetrating an elastic inhomogeneity of arbitrary shape ⋮ Effect of nanoscale twin and dislocation pileup at twin boundary on crack blunting in nanocrystalline materials ⋮ An edge dislocation interacting with a completely coated semi-infinite crack ⋮ Effect of nanotwin near a branched crack tip on crack blunting in deformed nanocrystalline materials ⋮ Interaction of a screw dislocation with a parabolic cavity and a semi-infinite crack ⋮ A finite Zener-Stroh crack interacting with a blunt crack under in-plane deformations ⋮ Interaction between a completely coated semi-infinite crack and a screw dislocation

Cites Work

• Developments of some explicit formulas useful to describe elastic stress fields ahead of notches in plates.
• The effect of crack blunting on the competition between dislocation nucleation and cleavage

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