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epoxy matrix

Oxidation induced changes in viscoelastic properties of a thermostable epoxy matrix

Oxidation induced changes in viscoelastic properties of a thermostable epoxy matrix

... neat epoxy matrix has been studied at 200°C in air by three complementary analytical techniques: optical microscopy, mechanical spectrometry and nano- ...

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Rapid Determination of the High Cycle Fatigue Limit Curve of Carbon Fiber Epoxy Matrix Composite Laminates by Thermography Methodology: Tests and Finite Element Simulations

Rapid Determination of the High Cycle Fatigue Limit Curve of Carbon Fiber Epoxy Matrix Composite Laminates by Thermography Methodology: Tests and Finite Element Simulations

... 698 Laurent Gornet et al. / Procedia Engineering 66 ( 2013 ) 697 – 704 effects associated with dissipation during cyclic loading are the key point of the so-called “self-heating tests” method. Results of this method ...

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Monitoring and simulations of hydrolysis in epoxy matrix composites during hygrothermal aging

Monitoring and simulations of hydrolysis in epoxy matrix composites during hygrothermal aging

... We proposed and identified in [21] a general modeling frame- work for prediction of the spatial distribution of species concentra- tions. This model was based on a competitive diffusion/reaction scheme and relied on a ...

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Rapid determination of the fatigue properties of carbon fiber epoxy matrix composite laminates by self heating tests

Rapid determination of the fatigue properties of carbon fiber epoxy matrix composite laminates by self heating tests

... Figure 5. [+45/-45/+45/-45] S experimental Wöhler curve for ( ) and limit of fatigue from self- heating tests 4. Conclusions This paper deals with the fast determination of fatigue limit of carbon fiber epoxy ...

6

A rate dependent constitutive model for glass-fiber/epoxy-matrix woven fabrics

A rate dependent constitutive model for glass-fiber/epoxy-matrix woven fabrics

... A Rate Dependent Constitutive Model for Glass-Fibre / Epoxy-Matrix Woven Fabrics S. Marguet 1 , P. Rozycki 1 and L. Gornet 1 Abstract: This paper deals with the modelling un- til rupture of composite ...

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Monitoring and simulations of hydrolysis in epoxy matrix composites during hygrothermal aging

Monitoring and simulations of hydrolysis in epoxy matrix composites during hygrothermal aging

... We proposed and identified in [21] a general modeling frame- work for prediction of the spatial distribution of species concentra- tions. This model was based on a competitive diffusion/reaction scheme and relied on a ...

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Couplage multi-échelle diffusion d'humidité / contraintes internes dans les matériaux composites à matrice époxy = Multi-scale coupling moisture diffusion / internal stresses in epoxy matrix composites

Couplage multi-échelle diffusion d'humidité / contraintes internes dans les matériaux composites à matrice époxy = Multi-scale coupling moisture diffusion / internal stresses in epoxy matrix composites

... penetrant-organic matrix composite system may change with time due to evolution of the internal mechanical strain states experienced by the constituting matrix of the composite ...

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Development and characterization of a bio-based epoxy matrix for high-grade bio-based composites

Development and characterization of a bio-based epoxy matrix for high-grade bio-based composites

... bio-based matrix derived from biomass are evaluated and reveal properties in the same order of magnitude as those obtained for polyepoxides based on DGEBA, that means a glass transition temperature of ...

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Inelastic Interface Damage Modeling with Friction Effects: Application to Z-Pinning Reinforcement in Carbon Fibre Epoxy Matrix Laminates

Inelastic Interface Damage Modeling with Friction Effects: Application to Z-Pinning Reinforcement in Carbon Fibre Epoxy Matrix Laminates

... PULL-OUT TEST Simulations of two test cases of Z-fiber pull-out are presented in this section. Z-fibers having diameters of 0.51 and 0.28 mm are inserted into IMS/924 CF/epoxy unidirectional laminate. The material ...

16

A high-cyclic elastic fatigue damage model for carbon fibre epoxy matrix laminates with different mode mixtures

A high-cyclic elastic fatigue damage model for carbon fibre epoxy matrix laminates with different mode mixtures

... Two dimensional meshes comprised of 4 nodes plane strain ele- ments are used to model the beam arms and interface elements [16] are employed for the modelling of debonding process, Fig. 3 . It should be highlight that ...

9

Glass Transition Temperature Depression at the Percolation Threshold in Carbon Nanotube-Epoxy Resin and Polypyrrole-Epoxy Resin Composites

Glass Transition Temperature Depression at the Percolation Threshold in Carbon Nanotube-Epoxy Resin and Polypyrrole-Epoxy Resin Composites

... the higher T g of the polypyrrole as expected for compatible polymer blends. Here, the dispersion of PPy particles using the turax method seems to be optimal. The thermomechanical behavior of both composites, presented ...

9

Three-Dimensional Microstructures of Epoxy-Carbon Nanotube Nanocomposites

Three-Dimensional Microstructures of Epoxy-Carbon Nanotube Nanocomposites

... micro-injection of a microfluidic network. The nanotube orientation was performed by taking the advantages of shear flow and dimensional constraining of small-diameter channels. The SEM observations revealed a fair ...

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Rubbery and Glassy Epoxy-Clay Nanocomposites

Rubbery and Glassy Epoxy-Clay Nanocomposites

... of epoxy and its C30B nanocomposites cured with (a) D2000; (b) ...the epoxy matrices and their nanocomposites were evaluated and are shown in Figures 5 and ...the epoxy matrix is rubbery or ...

9

Tensile post-impact behaviour of thin carbon/epoxy and glass/epoxy hybrid woven laminates – Part II: Numerical study

Tensile post-impact behaviour of thin carbon/epoxy and glass/epoxy hybrid woven laminates – Part II: Numerical study

... tows behaviour to represent simultaneously the damaged resin and the un- damaged fibers tows. A specific finite element has been developped (Figure 1) with a truss structure of rod elements, modelizing the woven fabric ...

36

Radiochemical ageing of epoxy coating for nuclear plants

Radiochemical ageing of epoxy coating for nuclear plants

... al., 2006 ). In the latter case, indeed, durability is a key property. An important ageing component is, presumably, radiochemical ageing induced by low dose rate irradiation in the presence of oxygen. Several studies ...

4

Using Static Allocation Algorithms for Matrix Matrix Multiplication on Multicores and GPUs

Using Static Allocation Algorithms for Matrix Matrix Multiplication on Multicores and GPUs

... EffectiveSteal Figure 8: Execution time and communication results on the mirage platform. the performance gain incurred by including the CP Us into the computation. For this experiment, we have used NRRP, DMDA, ...

11

Spark Plasma Sintering of Ceramic Matrix Composites with self healing matrix

Spark Plasma Sintering of Ceramic Matrix Composites with self healing matrix

... the matrix self-healing. CMC with self-healing matrix were successfully fabricated by Chemical Vapor Infiltration (CVI) [ 8 ], but display long time and high cost production due to the intrinsic ...

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Accelerated hygrothermal cyclical tests for carbon/epoxy laminates

Accelerated hygrothermal cyclical tests for carbon/epoxy laminates

... approach should be strengthened by a refined analysis in the future. The longitudinal strain due to the hygrothermal conditioning is measured along the cycles by using unidirectional gauges bonded on the specimens ( ...

11

Epoxy as a reactive plasticizer for improving polycarbonate processibility

Epoxy as a reactive plasticizer for improving polycarbonate processibility

... the epoxy system polymerises quite quickly (see ...the epoxy-amine cures slowly at low temper- atures, it can act as a solvent which aids crystallization of PC and provides a material with higher ...

12

Fracture load predictions for a toughened epoxy adhesive

Fracture load predictions for a toughened epoxy adhesive

... This publication could be one of several versions: author’s original, accepted manuscript or the publisher’s version. / La version de cette publication peut être l’une des suivantes : la version prépublication de ...

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