Results 231 to 240 of about 12,878 (286)

On the Crack Tip Shielding in Particle Reinforced Composites

Materials Science Forum, 2005
The paper is focused on crack-tip shielding effects caused by crack deflection (tilting) processes in particle reinforced composites. A numerical analysis by means of the ANSYS code was employed in order to assess these effects caused by rigid particles and holes in the matrix.
Jana Horníková   +2 more
exaly   +2 more sources

A numerical and experimental study of crack tip shielding in presence of overloads

Engineering Fracture Mechanics, 2010
Abstract The mechanism underlying plasticity-induced shielding of a crack tip under fatigue loading has been already experimentally investigated by means of photoelasticity using a recently-developed mathematical model which considers stress field near the crack tip and along the flanks.
Chiara Colombo, Laura Vergani
exaly   +2 more sources

Methods for crack opening load and crack tip shielding determination: a review

Fatigue and Fracture of Engineering Materials and Structures, 2003
ABSTRACTIn this paper a review of the literature on crack closure/opening load and crack tip shielding effects determination methods is presented. Commonly used ‘subjective’ (visual) and ‘non‐subjective’ approaches have been included. Procedures associated with the determination of an effective crack driving force for both Elber type and that of ...
Daniel Kujawski
exaly   +2 more sources

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