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Determination of the fracture process zone under Mode i fracture in glass fiber composites

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dc.contributor.author Tsouvalis, NG en
dc.contributor.author Anyfantis, KN en
dc.date.accessioned 2014-03-01T02:08:36Z
dc.date.available 2014-03-01T02:08:36Z
dc.date.issued 2012 en
dc.identifier.issn 00219983 en
dc.identifier.uri http://hdl.handle.net/123456789/29690
dc.subject cohesive elements en
dc.subject cohesive zone model en
dc.subject Crack growth en
dc.subject DCB en
dc.subject delamination en
dc.subject interface en
dc.subject.other Analytical functions en
dc.subject.other Bridging law en
dc.subject.other Cohesive element en
dc.subject.other Cohesive zone model en
dc.subject.other Commercial software en
dc.subject.other Crack extension en
dc.subject.other DCB en
dc.subject.other Delamination fracture en
dc.subject.other Double cantilever beam en
dc.subject.other Fracture process zone en
dc.subject.other Fracture test en
dc.subject.other Glass fiber composites en
dc.subject.other Interface finite element en
dc.subject.other J-integral approach en
dc.subject.other Material property en
dc.subject.other Mode I fracture en
dc.subject.other Opening displacement en
dc.subject.other Pre-cracks en
dc.subject.other R-curves en
dc.subject.other Traction-separation en
dc.subject.other Traction-separation law en
dc.subject.other ABAQUS en
dc.subject.other Cantilever beams en
dc.subject.other Computer simulation en
dc.subject.other Crack propagation en
dc.subject.other Crack tips en
dc.subject.other Cracks en
dc.subject.other Data reduction en
dc.subject.other Delamination en
dc.subject.other Fracture testing en
dc.subject.other Glass fibers en
dc.subject.other Interfaces (materials) en
dc.subject.other Separation en
dc.subject.other Software testing en
dc.subject.other Steel sheet en
dc.subject.other Traction (friction) en
dc.subject.other Fracture en
dc.title Determination of the fracture process zone under Mode i fracture in glass fiber composites en
heal.type journalArticle en
heal.identifier.primary 10.1177/0021998311401934 en
heal.identifier.secondary http://dx.doi.org/10.1177/0021998311401934 en
heal.publicationDate 2012 en
heal.abstract This study provides a simple yet effective procedure for the characterization of the fracture process zone (FPZ) developing in the interface of unidirectional laminates under Mode I delamination fracture. Double cantilever beam (DCB) coupons have been manufactured and tested. Three data reduction schemes available in the literature have been utilized for the calculation of the energy release rate (ERR) magnitude as a function of crack extension and the corresponding R-curves have been constructed. The R-curves were then reconstructed in terms of the experimentally registered pre-crack tip opening displacement (σ*) and analytical functions have been used to describe their concatenate trend. The J-integral approach was then applied over the analytical functions to derive the corresponding bridging laws that describe the FPZ. The derived bridging laws were appropriately modified according to three different traction-separation models and implemented into user-developed interface finite elements (UEL) for the simulation of the fracture tests in ABAQUS commercial software. Comparisons between numerical and experimental results have shown that the proposed straightforward procedure leads to an effective traction-separation law that can be used as a material property of the modeled interface. © The Author(s) 2011. en
heal.journalName Journal of Composite Materials en
dc.identifier.doi 10.1177/0021998311401934 en
dc.identifier.volume 46 en
dc.identifier.issue 1 en
dc.identifier.spage 27 en
dc.identifier.epage 41 en


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