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Title: Novel cohesive beam model for the End-Notched Flexure (ENF) specimen
Author: Morais, A.B. de
Keywords: Polymer matrix composites
Toughness testing
Cohesive zone modelling
Issue Date: 2011
Publisher: Elsevier
Abstract: This paper presents a new Cohesive Beam Model (CBM) for the mode II interlaminar fracture End-Notched Flexure (ENF) specimen. The ideal linear elastic solution agrees with a recent analysis and is similar to the well-known Corrected Beam Theory. However, the cohesive zone is known to be particularly important for modelling the large mode II fracture process zone. CBM with a bilinear cohesive law agreed very well with finite element analyses. Comparison with experimental results for two carbon/epoxy laminates indicated that the bilinear cohesive law provides a fairly good conservative approximation.
Peer review: yes
DOI: 10.1016/j.engfracmech.2011.08.019
ISSN: 0013-7944
Appears in Collections:DEM - Artigos

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