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Design of toughened PLA based material for application in structures subjected to severe loading conditions. Part 1. Quasi-static and dynamic tensile tests at ambient temperature

Abstract : The suitability of a ternary composition 58 wt% polylactide (PLA) - 25 wt% poly(methyl methacrylate) (PMMA) - 17 wt% Impact modifier (Biostrong) for use in technical parts subjected to severe loading conditions was investigated. As a key point, its tensile behavior under high-strain-rate loading, for the moment at ambient temperature, was studied, which has not been done before for any PLA-based composition. Prior to dynamic tensile tests, it was verified that the appealing mechanical properties of PLA-PMMA-Biostrong composition previously achieved with material processed at laboratory scale are kept when the material is produced using industrial extrusion and injection processes. Finally, industrially produced PLA-PMMA-Biostrong composition showed high levels of tensile strength, rigidity and ductility for a wide range of strain-rate and is, therefore, suitable for use in highly-loaded technical parts.
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https://hal-uphf.archives-ouvertes.fr/hal-03442735
Contributor : Mylène Delrue Connect in order to contact the contributor
Submitted on : Tuesday, November 23, 2021 - 11:35:27 AM
Last modification on : Wednesday, November 24, 2021 - 3:48:28 AM

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Delphine Notta-Cuvier, Amani Bouzouita, Rémi Delille, Grégory Haugou, Jean-Marie Raquez, et al.. Design of toughened PLA based material for application in structures subjected to severe loading conditions. Part 1. Quasi-static and dynamic tensile tests at ambient temperature. Polymer Testing, Elsevier, 2016, 54, pp.233-243. ⟨10.1016/j.polymertesting.2016.07.020⟩. ⟨hal-03442735⟩

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