A preliminary report on 3d effects on ca
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T.W Webb; E.E Gdoutos; E.C Aifantis
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Article
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1990
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Elsevier Science
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English
⚖ 289 KB
A modification to the standard caustic equations was made to include the effect of a mixed plane stress-plane strain state across the specimen thickness near the crack tip. By assuming the thickness of the plane stress surface layer to be of the size of the plastic zone along the crack axis, a K h D