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dc.contributor.authorLhotellier, Frederic C.en_US
dc.date.accessioned2014-03-14T21:28:36Z
dc.date.available2014-03-14T21:28:36Z
dc.date.issued1987-11-15en_US
dc.identifier.otheretd-02062013-040025en_US
dc.identifier.urihttp://hdl.handle.net/10919/40934
dc.description.abstract

The matrix-fiber stress transfer in glass/epoxy composite materials was studied using analytical and experimental methods. The mathematical model that was developed calculates the stress fields in the fiber, interphase, and neighboring matrix near a fiber break. This scheme takes into account the elastic-plastic behavior of both the matrix and the interphase, and it includes the treatment of stress concentration near the discontinuities of the fibers. The radius of the fibers and the mechanical properties of the matrix were varied in order to validate the mathematical model. The computed values for the lengths of debonding, plastic deformation, and elastic deformation in the matrix near the fiber tip were confirmed by measurements taken under polarized light on loaded and unloaded single fiber samples. The fiber-fiber interaction was studied experimentally using dog-bone samples that contained seven fibers forming an hexagonal pattern.

en_US
dc.format.mediumBTDen_US
dc.publisherVirginia Techen_US
dc.relation.haspartLD5655.V855_1987.L521.pdfen_US
dc.subjectFibrous compositesen_US
dc.subject.lccLD5655.V855 1987.L521en_US
dc.titleMatrix-fiber stress transfer in composite materials elasto-plastic model with an interphase layeren_US
dc.typeThesisen_US
dc.contributor.departmentEngineering Science and Mechanicsen_US
dc.description.degreeMaster of Scienceen_US
thesis.degree.nameMaster of Scienceen_US
thesis.degree.levelmastersen_US
thesis.degree.grantorVirginia Polytechnic Institute and State Universityen_US
thesis.degree.disciplineEngineering Science and Mechanicsen_US
dc.contributor.committeechairBrinson, Halbert F.en_US
dc.contributor.committeememberDillard, David A.en_US
dc.contributor.committeememberWightman, James P.en_US
dc.identifier.sourceurlhttp://scholar.lib.vt.edu/theses/available/etd-02062013-040025/en_US
dc.date.sdate2013-02-06en_US
dc.date.rdate2013-02-06
dc.date.adate2013-02-06en_US


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