Dislocation emission from an elliptically blunted crack tip with surface effects

The explicit expressions for critical stress intensity factors are derived for edge dislocation emission from an elliptically blunt crack with surface effects under mode I and mode II loadings. The influence of surface effects on dislocation emission criterion is analyzed. The result indicates the i...

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Bibliographic Details
Published in:	Physica. B, Condensed matter Vol. 404; no. 20; pp. 3421 - 3424
Main Authors:	Fang, Q.H., Liu, Y., Liu, Y.W., Huang, B.Y.
Format:	Journal Article
Language:	English
Published:	Kidlington Elsevier B.V 01-11-2009 Elsevier
Subjects:	Blunt crack Condensed matter Condensed matter: structure, mechanical and thermal properties Cracks Defects and impurities in crystals; microstructure Dislocation emission Dislocations Edge dislocation Emission Exact sciences and technology Indirect evidence of dislocations and other defects (resistivity, slip, creep, strains, internal friction, epr, nmr, etc.) Nanocomposites Nanomaterials Nanostructure Physics Stress intensity factor Structure of solids and liquids; crystallography Surface stress 68.35.Gy 61.72.Lk 62.20.D Surface stress 62.20.mt Edge dislocation Blunt crack Dislocation emission Blunt end Surface stresses Surface effect Edge dislocations Stress intensity factors Crack tip Surface cracks
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