Prediction of matrix crack initiation and evolution and their effect on the stiffness of laminates with off-axis plies under in-plane loading
Sign Up to like & getrecommendations! Published in 2020 at "Composites Science and Technology"
DOI: 10.1016/j.compscitech.2020.108427
Abstract: Abstract A model is described which allows the exact calculation of stresses in a cracked ply under combined state of strain. Closed form expressions for the stresses in each ply are combined in an energy… read more here.
Keywords: stiffness; ply; crack initiation; matrix crack ... See more keywords
A novel trans-scale method for predicting mode I matrix crack density of composite laminates
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DOI: 10.1016/j.compstruct.2019.111726
Abstract: Abstract Permeability of linerless composite cryogenic tanks has positive correlation with matrix micro-crack density. In order to obtain the mode I matrix micro-crack density of fiber-reinforced plastic-matrix composite laminates, this paper proposes a novel trans-scale… read more here.
Keywords: mode matrix; matrix; crack density; matrix crack ... See more keywords
Modeling matrix crack/delamination interaction in a double edge notch tension specimen via a divisible cohesive element with damage state mapping
Sign Up to like & getrecommendations! Published in 2022 at "Journal of Composite Materials"
DOI: 10.1177/00219983221131757
Abstract: This work investigates the simulated kinematics of matrix crack/delamination interaction in predictions of damage progression of a double edge notch tension specimen. Based on previous work, a divisible cohesive element (Div-CE) is implemented in a… read more here.
Keywords: damage; crack delamination; double edge; matrix crack ... See more keywords