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Plane-stress crack-tip fields for power-law hardening orthotropic materials

dc.contributor.authorPan, Jwoen_US
dc.contributor.authorFong Shih, C.en_US
dc.date.accessioned2006-09-08T20:42:04Z
dc.date.available2006-09-08T20:42:04Z
dc.date.issued1988-07en_US
dc.identifier.citationPan, Jwo; Fong Shih, C.; (1988). "Plane-stress crack-tip fields for power-law hardening orthotropic materials." International Journal of Fracture 37(3): 171-195. <http://hdl.handle.net/2027.42/42768>en_US
dc.identifier.issn0376-9429en_US
dc.identifier.issn1573-2673en_US
dc.identifier.urihttps://hdl.handle.net/2027.42/42768
dc.description.abstractPlane stress mode I near-tip fields in orthotropic materials are examined. Plastic orthotropy is described by Hill's quadratic yield function and the strain hardening behavior is given by an appropriate generalization of a uniaxial tensile power-law stress-strain relation. Pronounced changes in the pattern of the angular variations of crack-tip fields have been observed with the degree of plastic orthotropy and the amount of strain hardening. Possible shapes and sizes of plastic zones (as inferred from effective stress contours) are presented for high- and low-hardening materials and a wide range of plastic orthotropy. The shape of the plastic zone for a particular case of plastic orthotropy agreed remarkably well with the zone of intense straining induced by an appropriately orientated crack within a graphite/epoxy laminate. On examine les champs de contraintes planes selon un mode I au voisinage de l'extrémité d'une fissure dans des matériaux orthotropes. L'orthotrope plastique est décrite par la fonction quadratique de plastification de Hill, et le comportement à l'écrouissage est donné par une généralisation adéquate d'une relation tensioncilatation de forme parabolique, sous traction mono-axiale. On a observé des modifications profondes dans l'aspect des variations angulaires des champs d'extrémité de fissure, selon le degré d'orthotropie plastique et infensité de l'écrouissage. Pour des matériaux très sujets ou peu sujets à l'écrouissage, et pour une large gamme d'orthotropies plastiques, on présente les formes et dimensions possibles des zones plastiques, telles qu'elles se deduisent des contours effectifs de contraintes. La forme de la zone plastique correspondant au cas particulier d'une orthotropie plastique s'accorde remarquablement bien à la zone de dilatation importante créée par une fissure d'orientation appropriée, dans une plaque de graphite-epoxy.en_US
dc.format.extent1551172 bytes
dc.format.extent3115 bytes
dc.format.mimetypeapplication/pdf
dc.format.mimetypetext/plain
dc.language.isoen_US
dc.publisherKluwer Academic Publishers; Springer Science+Business Mediaen_US
dc.subject.otherPhysicsen_US
dc.subject.otherCharacterization and Evaluation Materialsen_US
dc.subject.otherMechanicsen_US
dc.subject.otherMechanical Engineeringen_US
dc.subject.otherAutomotive and Aerospace Engineeringen_US
dc.subject.otherCivil Engineeringen_US
dc.titlePlane-stress crack-tip fields for power-law hardening orthotropic materialsen_US
dc.typeArticleen_US
dc.subject.hlbsecondlevelMaterials Science and Engineeringen_US
dc.subject.hlbtoplevelEngineeringen_US
dc.description.peerreviewedPeer Revieweden_US
dc.contributor.affiliationumDepartment of Mechanical Engineering and Applied Mechanics, The University of Michigan, 48109, Ann Arbor, MI, USAen_US
dc.contributor.affiliationotherDivision of Engineering, Brown University, 02912, Providence, RI, USAen_US
dc.contributor.affiliationumcampusAnn Arboren_US
dc.description.bitstreamurlhttp://deepblue.lib.umich.edu/bitstream/2027.42/42768/1/10704_2004_Article_BF00045862.pdfen_US
dc.identifier.doihttp://dx.doi.org/10.1007/BF00045862en_US
dc.identifier.sourceInternational Journal of Fractureen_US
dc.owningcollnameInterdisciplinary and Peer-Reviewed


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