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Numerical analysis of the Edge Crack Torsion test for mode III interlaminar fra...
Marcelo Francisco de Sousa Ferreira de Moura; Maria Victoria Castro Fernandez; Alfredo Balacó Morais; Raul Duarte Salgueiral Gomes CampilhoA detailed numerical analysis of the edge crack torsion test was performed to verify its adequacy for the mode iii interlaminar fracture characterization of composite laminates. a new data reduction scheme based on specimen compliance was proposed. three-dimen- sional ï¬ nite element analyses including a cohesive damage model were performed in order to evaluate the accuracy of perceived giiic values obtained wi...
Mode III interlaminar fracture of carbon/epoxy laminates using the edge crack t...
Alfredo Balacó Morais; A. B. Pereira; Marcelo Francisco de Sousa Ferreira de Moura; A. G. MagalhãesThe modeIIIinterlaminarfractureofcarbon/epoxylaminateswasevaluatedwiththeedgecracktorsion (ECT) test.Three-dimensionalfiniteelementanalyseswereperformedinordertoselecttwospecimen geometries andanexperimentaldatareductionscheme.Testresultsshowedconsiderablenon-linearity before themaximumloadpointandasignificant R-curve effect.Thesefeaturespreventedanaccurate definition oftheinitiationpoint.Nevertheless,analyseso...
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