Thermo-mechanical response of nylon 101 under uniaxial and multi-axial loadings: Part I,Experimental results over wide ranges of temperatures and strain rates |
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| Institution: | 1. Faculty of Civil Engineering and Mechanics, Jiangsu University, Xuefu Road 301, 212013 Zhenjiang, Jiangsu Province, China;2. School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, 47500 Bandar Sunway, Selangor Darul Ehsan, Malaysia;1. Archimede Solar Energy, Voc. Pisciarello, 88 Villa S. Faustino, 06056 Massa Martana (PG) Italy;2. AXEL, Via Polvaries, 25, 33030, Buja (UD) Italy;3. SQM Europe N.V. - Houtdok-Noordkaai 25a, 2030 Antwerp Belgium;4. Meccanotecnica Umbra, Via G. Agnelli 7/9, 06042 Campello sul Clitunno (PG) Italy;5. REFLEX, Via P. Bordone, 82, 31056 Biancade di Roncade (TV) Italy;6. Costruzioni Elettromeccaniche Umbre, Via della Gomma, 19, 06135 Balanzano (PG) Italy;7. BFR Meccanica, Via degli Olmi, 60, 31040 Cessalto (TV) Italy;8. Techint E&C, Via Monte Rosa, 93, 20149 Milano Italy;9. Chiyoda Corporation Minato Mirai Grand Central Tower 4-6-2, Minatomirai, Nishi-ku, Yokohama 220-8765, Japan;10. RDM, Via Nazionale, 8, 33042 Buttrio (Ud) Italy |
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| Abstract: | A comprehensive study of the thermo-mechanical response of a thermoplastic polymer, nylon 101 is presented. Quasi-static and dynamic compression uniaxial and multi-axial experiments (stress states) were performed at a wide range of strain rates (10−5 to 5000 s−1) and temperatures (−60 to 177 °C or −76 to 350 °F). The material is found to be non-linearly dependent on strain rate and temperature. The change in volume after plastic deformation is investigated and is found to be negligibly small. The relaxation and creep responses at room temperature are found to be dependent on strain rate and the stress–strain level at which these phenomena are initiated. Total deformation is decomposed into visco-elastic and visco-plastic components; these components have been determined at different levels of deformation. Results from non-proportional uniaxial to biaxial compression, and torsion experiments, are also reported for three different strain rates at room temperature. It is shown that nylon 101 has a response dependent on the hydrostatic pressure. |
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