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Article

On the Structural Peculiarities of Self-Reinforced Composite Materials Based on UHMWPE Fibers

1
Center for Composite Materials, National University of Science and Technology “MISiS”, Moscow 119049, Russia
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Institut Jean Lamour, Université de Lorraine, CNRS, IJL, F-54000 Nancy, France
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Université de Lorraine, CNRS, LabEX “DAMAS”, F-57000 Metz, France
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HSM Lab, Center for Energy Science and Technologies, Skolkovo Institute of Science and Technology, Moscow 121205, Russia
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Technological Institute for Superhard and Novel Carbon Materials, Troitsk 108840, Russia
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State Research Center of Russian Federation, Troitsk Institute for Innovation and Fusion Research, Troitsk 108840, Russia
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Production and Design Department, Faculty of Engineering, Minia University, Minia 61111, Egypt
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MBLEM, Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK
*
Author to whom correspondence should be addressed.
Academic Editor: Luciano Feo
Received: 31 March 2021 / Revised: 21 April 2021 / Accepted: 23 April 2021 / Published: 27 April 2021
(This article belongs to the Special Issue High-Performance Polyethylene)
The structure of self-reinforced composites (SRCs) based on ultra-high molecular weight polyethylene (UHMWPE) was studied by means of Wide-Angle X-ray Scattering (WAXS), X-ray tomography, Raman spectroscopy, Scanning Electron Microscopy (SEM) and in situ tensile testing in combination with advanced processing tools to determine the correlation between the processing conditions, on one hand, and the molecular structure and mechanical properties, on the other. SRCs were fabricated by hot compaction of UHMWPE fibers at different pressure and temperature combinations without addition of polymer matrix or softener. It was found by WAXS that higher compaction temperatures led to more extensive melting of fibers with the corresponding reduction of the Herman’s factor reflecting the degree of molecular orientation, while the increase of hot compaction pressure suppressed the melting of fibers within SRCs at a given temperature. X-ray tomography proved the absence of porosity while polarized light Raman spectroscopy measurements for both longitudinal and perpendicular fiber orientations showed qualitatively the anisotropy of SRC samples. SEM revealed that the matrix was formed by interlayers of molten polymer entrapped between fibers in SRCs. Moreover, in situ tensile tests demonstrated the increase of Young’s modulus and tensile strength with increasing temperature. View Full-Text
Keywords: self-reinforced composites (SRCs); UHMWPE fibers; hot compaction; Avizo; Herman’s factor; Digital Image Correlation (DIC); Ncorr; ImageJ self-reinforced composites (SRCs); UHMWPE fibers; hot compaction; Avizo; Herman’s factor; Digital Image Correlation (DIC); Ncorr; ImageJ
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MDPI and ACS Style

Zherebtsov, D.; Chukov, D.; Royaud, I.; Ponçot, M.; Larin, I.; Statnik, E.S.; Drozdova, T.; Kirichenko, A.; Salimon, A.; Sherif, G.; Besnard, C.; Korsunsky, A.M. On the Structural Peculiarities of Self-Reinforced Composite Materials Based on UHMWPE Fibers. Polymers 2021, 13, 1408. https://0-doi-org.brum.beds.ac.uk/10.3390/polym13091408

AMA Style

Zherebtsov D, Chukov D, Royaud I, Ponçot M, Larin I, Statnik ES, Drozdova T, Kirichenko A, Salimon A, Sherif G, Besnard C, Korsunsky AM. On the Structural Peculiarities of Self-Reinforced Composite Materials Based on UHMWPE Fibers. Polymers. 2021; 13(9):1408. https://0-doi-org.brum.beds.ac.uk/10.3390/polym13091408

Chicago/Turabian Style

Zherebtsov, Dmitry, Dilyus Chukov, Isabelle Royaud, Marc Ponçot, Ilya Larin, Eugene S. Statnik, Taisia Drozdova, Alexey Kirichenko, Alexey Salimon, Galal Sherif, Cyril Besnard, and Alexander M. Korsunsky. 2021. "On the Structural Peculiarities of Self-Reinforced Composite Materials Based on UHMWPE Fibers" Polymers 13, no. 9: 1408. https://0-doi-org.brum.beds.ac.uk/10.3390/polym13091408

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