6533b7d0fe1ef96bd125a5ea
RESEARCH PRODUCT
Quasi-static behaviour and damage assessment of flax/epoxy composites
Laurent GuillaumatPapa-birame GningShaoxiong LiangShaoxiong Liangsubject
010302 applied physicsMatériaux [Sciences de l'ingénieur]Materials sciencePolymer-matrix compositesComposite numberMechanical properties02 engineering and technologyEpoxy matrixEpoxy021001 nanoscience & nanotechnologyE-glass fibres01 natural sciences[SPI]Engineering Sciences [physics]Compressive strengthDamage mechanicsDamage mechanicsvisual_art0103 physical sciencesVolume fractionvisual_art.visual_art_mediumFlax fibresMécanique: Mécanique des matériaux [Sciences de l'ingénieur]Composite material0210 nano-technologyQuasistatic processdescription
Experimental investigations were conducted on flax and E-glass fibres reinforced epoxy matrix composites subjected to quasi-static loadings. Flax/epoxy samples having [0]12, [90]12, [0/90]3S and [±45]3S stacking sequences, with a fibre volume fraction of 43% have been tested under tension, compression and in-plane shear loadings. Overall, the compression strength of glass/epoxy was 76% greater than for the flax/epoxy composite. The damage evolution of flax/epoxy of [0/90]3S and [±45]3S samples has been evaluated in terms of transverse crack densities with respect to the load increment. The crack density exhibited a classical “S” shaped pattern for [0/90]3S and linearly for [±45]3S specimens versus the applied load. The final crack densities were respectively of 32/cm and 25/cm for the [0/90]3S and [±45]3S samples. The financial support of the FABER fund from the Bourgogne Region, France is gratefully acknowledged.
| year | journal | country | edition | language |
|---|---|---|---|---|
| 2015-02-01 |