0476367 - ÚT 2018 RIV DE eng J - Článek v odborném periodiku
Trnka, Jan - Buchar, Jaroslav - Nezbedová, E.
Dynamic behavior of PE-HD pipes grade.
Macromolecular Symposia. Roč. 373, č. 1 (2017), č. článku 1700038. ISSN 1022-1360
Grant CEP: GA MŠMT(CZ) EF15_003/0000493
Institucionální podpora: RVO:61388998
Klíčová slova: dynamic behavior * PE-HD * split Hopkinson pressure bar test * strain rate
Obor OECD: Composites (including laminates, reinforced plastics, cermets, combined natural and synthetic fibre fabrics
Web výsledku:
http://onlinelibrary.wiley.com/doi/10.1002/masy.201700038/fullDOI: https://doi.org/10.1002/masy.201700038

The split Hopkinson pressure bar test is extensively used to characterize material at high strain rate. This method enables to evaluate strain, strain rate and stress in the specimen. The viscoelastic behavior of materials in study was described using of the complex elastic modulus. Three copolymers of high-density polyethylene (PE-HD) have been investigated, two unimodal types supplied by two chemical companies and one bimodal type. Structure of PE samples (pellets) was characterised by 13C NMR (Carbon-13 nuclear magnetic resonance).
Trvalý link: http://hdl.handle.net/11104/0275303