Effects of layer waviness on compression-loaded thermoplastic composite laminates

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dc.contributor.authorAdams, Daniel O'Hareen
dc.contributor.committeechairHyer, Michael W.en
dc.contributor.committeememberGürdal, Zaferen
dc.contributor.committeememberJohnson, Eric R.en
dc.contributor.committeememberLoos, Alfred C.en
dc.contributor.committeememberReifsnider, Kenneth L.en
dc.contributor.departmentEngineering Mechanicsen
dc.date.accessioned2014-03-14T21:18:11Zen
dc.date.adate2008-08-25en
dc.date.available2014-03-14T21:18:11Zen
dc.date.issued1991-12-10en
dc.date.rdate2008-08-25en
dc.date.sdate2008-08-25en
dc.description.abstractThe effects of layer waviness on the compression response of T3001P1700 carbon/polysulfone composite laminates were investigated both experimentally and analytically. A three-step procedure was used to fabricate isolated layer waves into the central 0° layer of [90₂,/0₂/90₂/0₂/90₂/0<sub>2w</sub>]<sub>S</sub> laminates. The influence of various layer wave geometries on the static compression strength and compression fatigue life were determined experimentally. Moire interferometry was used to investigate the disturbance in the displacement fields and the modes of deformation associated with layer waviness under compression loading. The state of stress in the vicinity of the layer waves and the influence of the layer waves on static compression strength were predicted using a planestrain finite element analysis which included material nonlinearity.en
dc.description.degreePh. D.en
dc.format.extentxiv, 277 leavesen
dc.format.mediumBTDen
dc.format.mimetypeapplication/pdfen
dc.identifier.otheretd-08252008-161903en
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-08252008-161903/en
dc.identifier.urihttp://hdl.handle.net/10919/39227en
dc.language.isoenen
dc.publisherVirginia Techen
dc.relation.haspartLD5655.V856_1991.A325.pdfen
dc.relation.isformatofOCLC# 25611961en
dc.rightsIn Copyrighten
dc.rights.urihttp://rightsstatements.org/vocab/InC/1.0/en
dc.subject.lccLD5655.V856 1991.A325en
dc.subject.lcshLaminated materialsen
dc.subject.lcshMaterials -- Compression testingen
dc.titleEffects of layer waviness on compression-loaded thermoplastic composite laminatesen
dc.typeDissertationen
dc.type.dcmitypeTexten
thesis.degree.disciplineEngineering Mechanicsen
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen
thesis.degree.leveldoctoralen
thesis.degree.namePh. D.en

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