The effect of cold rolling on crack propagation behavior in high-density polyethylene |
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| Authors: | O. A. Serenko I. V. Tyun’kin A. V. Efimov S. L. Bazhenov |
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| Affiliation: | (1) Enikolopov Institute of Synthetic Polymeric Materials, Russian Academy of Sciences, ul. Profsoyuznaya 70, Moscow, 117393, Russia;(2) Faculty of Chemistry, Moscow State University, Leninskie gory, Moscow, 119992, Russia |
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| Abstract: | Crack propagation behavior in HDPE was studied. The preliminary orientation of the polymer, which is deformed in its isotropic state via necking and breaks down at the neck propagation stage, improves the crack resistance and ductility of the material. The critical crack opening in preoriented HDPE samples dramatically increases at relatively low draw ratios of cold rolling while the speed of transverse crack propagation decreases. |
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