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Poutrel, Quentin-Arthur
Laboratoire Réactions et Génie des Procédés
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (11/11 displayed)
- 2023Deformation mechanisms in PBT at elevated temperaturescitations
- 2023Thermolatent Heterogeneous Epoxy–Acid Formulation for the Manufacture of Preimpregnated Sheets and Composites with Vitrimer Propertiescitations
- 2022Long latency vitrimer formulation for carbon fibres prepregs composites.
- 2022Self-healing vitrimer composites for soft robotics
- 2021New perspectives in fibres reinforced polymer composites for aerospace structures
- 2020Dicarboxylic acid-epoxy vitrimers: Influence of off-stoichiometric acid content on cure reactions and thermo-mechanical propertiescitations
- 2020Dicarboxylic acid-epoxy vitrimers: Influence of off-stoichiometric acid content on cure reactions and thermo-mechanical propertiescitations
- 2020Dicarboxylic acid-epoxy vitrimers: influence of the off-stoichiometric acid content on cure reactions and thermo-mechanical propertiescitations
- 2017Effect of pre and post-dispersion on electro-thermo-mechanical properties of a graphene enhanced epoxycitations
- 2017Effect of pre and post-dispersion on electro-thermo-mechanical properties of a graphene enhanced epoxycitations
- 2017Thermal Diffusivity Mapping of Graphene Based Polymer Nanocompositescitations
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article
Deformation mechanisms in PBT at elevated temperatures
Abstract
The plastic deformation of Polybutylene terephthalate (PBT) is investigated at three temperatures (120°C, 150°C, 180°C) representative of the span between glass transition, Tg ≈ 55°C and melting Tm ≈ 225°C temperatures. The mechanisms of tensile deformation are analyzed as a function of the true strain using a combination of temperature-controlled tensile experiments coupled with 2D digital image correlation and synchrotron sourced wide angle (WAXS) and small angle (SAXS) X-ray scattering the amorphous and crystalline regions causing the transition between polymorphs, respectively from the isotropic amorphous phase to a smectic phase and from the alpha to beta crystalline phase.