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Samuel Réquilé

Samuel Réquilé
Coriolis Composites · Composite Engineering

Doctor of Engineering

About

12
Publications
3,782
Reads
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152
Citations
Citations since 2016
12 Research Items
151 Citations
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
2016201720182019202020212022010203040
Additional affiliations
February 2016 - present
Université de Bretagne Sud
Position
  • PhD

Publications

Publications (12)
Article
The hygro-mechanical behavior of single hemp fiber/epoxy interface was investigated through its characterization at the microscopic scale. Microdroplet debonding tests were developed in controlled humidity chambers to study the interfacial properties and adhesion mechanism of hemp/epoxy systems in in-use environmental conditions (from 9% to 98% rel...
Article
This article provides deeper insight into moisture sorption over a wide range of relative humidity (RH), from 9% to 98%, and its effect on the evolution of the tensile behaviour and performance of hemp/epoxy unidirectional biocomposites. Moisture sorption is associated with orthotropic hygroscopic expansion which is also related to the influence of...
Article
The control of hemp plant harvesting, in particular the retting process, represents the major step for the development of high-performance hemp biocomposites. In this study, the consequences of hemp retting on the ease of fibre extraction and tensile properties of elementary hemp fibres is explored. Stem peeling experiments are combined with scanni...
Article
Hygromorph biocomposite (HBC) actuators make use of the transport properties of plant fibres to generate an out-of-plane displacement when a moisture gradient is present. HBC actuators possess a design based on the bilayer configuration of natural hygromorph actuators (like Pine cone, Wheat awn, Selaginella lepidophyll). In this work we present a s...
Conference Paper
Full-text available
Automated fiber placement (AFP) is a highly efficient process to produce thermoplastic matrix composite parts. This process involves heating, compaction and cooling steps that must be understood and controlled to achieve an optimal process for the manufacture of structural parts. Heating using a laser provides many advantages due to high energy den...
Article
Retting of fibrous plants such as flax is an essential step in the extraction of fibre bundles and their transformation into textiles and reinforcement fabrics for use in garments and composites. Dew-retting is traditionally performed from Northwest France to the Netherlands, as the climate is highly favourable for this process. Hemp is a plant tha...
Conference Paper
Full-text available
Biocomposites reinforced with hemp fibres present a high potential for valorisation in new industrial applications due to their intrinsic mechanical characteristics. To reach certain markets, it is unavoidable to validate their behaviour and durability in humid and water environments. This article aims to provide a better insight into the effect of...
Article
Hemp (Cannabis Sativa) and flax (Linum Usitatissimum L) are the most commonly cultivated fibre plants in Europe. The use of their fibres covers a wide range of applications and requires a precise knowledge of their mechanical properties. The aim of this study is to investigate the contribution of fibres to the stiffness of flax and hemp dry stems s...

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Projects

Projects (4)
Project
This project gathers studies regarding hemp fiber/epoxy matrix interface at different scales, with a focus on the influence of a humidity, considering composite applications in changing environments.
Project
This project is a multi-scale study of flax and hemp stem in terms of architectural organization, interphase cohesion and mechanical properties.
Project
Evaluation of multi-scale degradation scenario of natural fibre composites in a complex marine environment