Identification of Fracture Toughness for Discrete Damage Mechanics Analysis of Glass-Epoxy Laminates

Barbero, Ever J.; Cosso, F.A.; Martı́nez, Xavier

doi:10.1007/s10443-013-9359-y

Cited by 7 publications

(3 citation statements)

References 33 publications

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“…DDM assumes local uniformity of crack spacing and linear distribution of intralaminar stresses. Despite these restrictions, predicted results correlate extremely well with available data for a broad variety of material systems (Carbon and Glass reinforced composites), 53,54 laminate stacking sequences (LSS) 55–61 and loading conditions including open hole tension data up to failure. 52,62–64…”

Section: Discrete Damage Mechanicssupporting

confidence: 55%

Damage initiation and evolution during monotonic cooling of laminated composites

Barbero

2018

Journal of Composite Materials

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The objective of this work is to develop a methodology to predict matrix damage initiation and evolution in laminated composites subjected to monotonic cooling using discrete damage mechanics and a careful characterization of the required temperature-dependent material properties. Since prediction of thermo-mechanical damage requires precise knowledge of the temperature-dependent properties of the material, back-calculation of fiber and matrix properties from different sources is included. The proposed methodology is flexible, in that it can be adapted to the availability of experimental data. A compilation of literature data is developed to estimate the properties of several fiber and matrix systems. Prediction of lamina and laminate temperature-dependent properties are compared with available data. Furthermore, temperature-dependent fracture toughness of four material systems are estimated from available crack density data. For the material systems studied, it is found that temperature-independent fracture toughness is satisfactory for prediction of damage initiation, evolution, and saturation.

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Section: Discrete Damage Mechanicssupporting

confidence: 55%

Damage initiation and evolution during monotonic cooling of laminated composites

Barbero

2018

Journal of Composite Materials

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“…Calculating the weighted average ( 21) of ( 12) with τ i xz given by (32), and following the same procedure that led to (31), we get…”

Section: Constitutive Equationsmentioning

confidence: 99%

“…Furthermore, continuum damage mechanics (CDM) allows to extend the solution method to any number of laminas, which may damage simultaneously [30]. Comparison with experimental data is very good [31][32][33].…”

Section: Introductionmentioning

confidence: 99%

Analytical solution for plane stress/strain deformation of laminates with matrix cracks

Barbero

Ugena

2015

Composite Structures

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Influence of ply cluster thickness and location on matrix cracking evolution in open-hole composite laminates

Moure

García-Castillo

Sánchez-Sáez

et al. 2016

Composites Part B: Engineering

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Identification of Fracture Toughness for Discrete Damage Mechanics Analysis of Glass-Epoxy Laminates

Cited by 7 publications

References 33 publications

Damage initiation and evolution during monotonic cooling of laminated composites

Damage initiation and evolution during monotonic cooling of laminated composites

Analytical solution for plane stress/strain deformation of laminates with matrix cracks

Influence of ply cluster thickness and location on matrix cracking evolution in open-hole composite laminates

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