Broadening of relaxation and retardation spectra due to uniaxial orientational drawing of polyamide films |
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| Authors: | V V Golovina V A Marikhin G Ya Slutsker A M Stalevich |
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| Institution: | (1) St. Petersburg State University of Technology and Design, Bolshaya Morskaya ul. 18, St. Petersburg, 191186, Russia;(2) Ioffe Physicotechnical Institute, Russian Academy of Sciences, Politekhnicheskaya ul. 26, St. Petersburg, 194021, Russia |
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| Abstract: | The initial and quasi-equilibrium values of relaxation modulus, the mean statistic retardation and relaxation times, and the parameters of retardation and relaxation time distributions have been estimated from the corresponding creep, elastic relaxation, and stress relaxation curves. Changes in the above characteristics with an increase in the draw ratio are analyzed. |
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