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Mechanical and Tribological Properties of Polymers and Polymer-Based Composites

Witold Brostow1, Hanna Fałtynowicz2, Osman Gencel3, Andrei Grigoriev4, Haley E. Hagg Lobland1, Danny Zhang1
1 Laboratory of Advanced Polymers & Optimized Materials (LAPOM), Department of Materials Science and Engineering and Department of Physics, University of North Texas, 3940 North Elm Street, Denton, TX 76207, USA 2 Faculty of Chemistry, Wrocław University of Science and Technology, 7/9 Gdańska St., 50-344 Wrocław, Poland 3 Department of Civil Engineering, College of Engineering, Bartin University, 74100 Bartin, Turkey 4 V.A. Belyі Institute of Mechanics of Polymer-Metal Systems of the Academy of Sciences of Belarus, 32A, Kirova St., 246050 Homel, Belarus
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A definition of rigidity of polymers and polymer-based composites (PBCs) by an equation is formulated. We also discuss tribological properties of polymers and PBCs including frictions (static, sliding and rolling) and wear. We discuss connections between viscoelastic recovery in scratch resistance testing with brittleness B, as well as Charpy and Izod impact strengths relations with B. Flexibility Y is related to a dynamic friction. A thermophysical property, namely linear thermal expansivity, is also related to the brittleness B. A discussion of equipment needed to measure a variety of properties is included.

[1] [access: 10-05-2020] (CC BY-NC 4.0)

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