Crashworthiness characteristics of flax fibre reinforced epoxy tubes for energy absorption application

Yan, Libo; Chouw, Nawawi

doi:10.1016/j.matdes.2013.04.014

Cited by 179 publications

(73 citation statements)

References 20 publications

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“…Currently, flax fibres/ epoxy composites are strongly investigated for automotive engineering applications. Indeed, they present interesting mechanical properties comparable to those obtain for glass fibres/epoxy composites: compressive strength 77.5-299.6 MPa, tensile strength 63-92.6 MPa, interlaminar shear strength 10.7-23.3 MPa and specific energy absorption 21.2-34.2 kJ/kg (Meredith et al 2012(Meredith et al , 2013Yan and Chouw 2013;Yan et al 2014bYan et al , 2014c. In the construction field, research is underway to the association of plant fibers to cementitious materials, like cementitious composites with glass fibers.…”

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confidence: 77%

Investigation of the internal structure of flax fibre cell walls by transmission electron microscopy

2015

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is an open access repository that collects the work of Arts et Métiers ParisTech researchers and makes it freely available over the web where possible. Abstract The development of the use of flax fibre as reinforcement of eco-friendly composite materials requires a good knowledge of its hydrothermal and mechanical behaviours. To this end the fibre internal structure must be finely investigated. Transmission electron microscopy was used to analyse the morphology of the fibre cell walls in terms of the arrangement of the layers and their thickness. Thus, an alternative eco-friendly staining method, based on oolong tea extract was successfully implemented. The results reveal an arrangement at the nanoscale slightly different from the classical four layer model encountered in the literature: the inner layer includes three to four sub-layers. The cell walls comprises two outer layers of relative thickness of about 10 %, a middle layer of about 70 % and a group of thinner layers (called sub-layers) that are contiguous to the lumen with relative thickness of about 20 %.

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confidence: 77%

Investigation of the internal structure of flax fibre cell walls by transmission electron microscopy

2015

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“…In the past, various types of materials have been developed for impact protection, such as cellular materials, 1,2 granular materials, 3,4 micro-trusses, 5,6 fiber reinforced composite materials, 7,8 and many others. However, several issues have limited the energy absorption performance of these conventional materials.…”

Section: Introductionmentioning

confidence: 99%

Liquid marble: A novel liquid nanofoam structure for energy absorption

2017

AIP Advances

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The liquid nanofoam (LN), a system composed of liquid and hydrophobic nanoporous particles, is a promising energy absorbing material. Despite its excellent energy absorbing capabilities under quasi-static conditions, the LN’s performance is limited under dynamic impacts due to its heterogeneity. We hypothesize that the energy absorption capacity of the LN can be increased by reconfiguration of the material into a liquid marble form. To test this hypothesis, we have prepared the LN sample in two different configurations, one with the heterogeneous layered structure and the other with a macroscopically homogeneous liquid marble structure. The mechanical behavior of these two types of LN was examined by quasi-static compression tests and dynamic impact tests. We demonstrated that although both types of LN exhibited comparable quasi-static energy absorption capacity, the liquid marble form of LN showed better performance under dynamic impacts. These findings suggest that the liquid marble form is the preferred LN structure under blunt impact and shed lights on the design of next-generation energy absorbing materials and structures.

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“…Libo Yan [80] studied crashworthiness characteristics of natural flax fabric reinforced epoxy composite tubes under quasi-static uniaxial compressive load. The author concluded that short length and large number of composite plies results into large value of peak load and CFE.…”

Section: Structural Geometrymentioning

confidence: 99%

Progressive Crushing of Polymer Matrix Composite Tubular Structures: Review

Rabiee¹,

Ghasemnejad²

2017

OJCM

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The present paper reviews crushing process of fibre-reinforced polymer (FRPs) composites tubular structures. Working with anisotropic material requires consideration of specific parameter definition in order to tailor a well-engineered composite structure. These parameters include geometry design, strain rate sensitivity, material properties, laminate design, interlaminar fracture toughness and off-axis loading conditions which are reviewed in this paper to create a comprehensive data base for researchers, engineers and scientists in the field. Each of these parameters influences the structural integrity and progressive crushing behaviour. In this extensive review each of these parameters is introduced, explained and evaluated. Construction of a well-engineered composite structure and triggering mechanism to strain rate sensitivity and testing conditions followed by failure mechanisms are extensively reviewed. Furthermore, this paper has mainly focused on experimental analysis that has been carried out on different types of FRP composites in the past two decades.

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Crashworthiness characteristics of flax fibre reinforced epoxy tubes for energy absorption application

Cited by 179 publications

References 20 publications

Investigation of the internal structure of flax fibre cell walls by transmission electron microscopy

Investigation of the internal structure of flax fibre cell walls by transmission electron microscopy

Liquid marble: A novel liquid nanofoam structure for energy absorption

Progressive Crushing of Polymer Matrix Composite Tubular Structures: Review

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