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Plastic stress and strain fields at a crack tip

โœ Scribed by J.W. Hutchinson

Publisher
Elsevier Science
Year
1968
Tongue
English
Weight
778 KB
Volume
16
Category
Article
ISSN
0022-5096

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development of the model of Atkinson and Kay is presented, in which time-dependent plastic relaxation at a crack tip is represented by the movement of a single dislocation with a variable Burgers vector. The predictions of the model are compared with observations of crack opening displacement in mil

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The damage theory is used to study the crack tip problem and the crack tip damage field is obtained. A near-field damage criterion is proposed based on micro experimental analysis. The relationship between the macro fracture parameter and the microstructure parameter of material has been obtained an