Kontaktujte nás | Jazyk: čeština English
Název: | Volume and enthalpy relaxation response after combined temperature history in polycarbonate | ||||||||||
Autor: | Hadač, Jiří; Slobodian, Petr; Sáha, Petr | ||||||||||
Typ dokumentu: | Recenzovaný odborný článek; Článek ve sborníku (English) | ||||||||||
Zdrojový dok.: | Journal of Thermal Analysis and Calorimetry. 2005, vol. 80, issue 1, p. 181-185 | ||||||||||
ISSN: | 1388-6150 (Sherpa/RoMEO, JCR) | ||||||||||
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DOI: | https://doi.org/10.1007/s10973-005-0633-6 | ||||||||||
Abstrakt: | Volume and enthalpy relaxation in polycarbonate subjected to double temperature jumps in the T-g region has been analysed. It concerns both initial Tdown-jump from equilibrium above T-g to consolidation temperature below T-g and final T-up-(jump) to relaxation temperature, also below T-g. The measured H and Vdata after Tup-jump were compared with respect to aging time calculating (dH/dV) ratio denoted as aging bulk modulus, K-a. According this new methodology H and V relaxation response after Tup-jump demonstrates differences in relaxation responses. | ||||||||||
Plný text: | http://www.springerlink.com/content/x0n16k5207715m75/ | ||||||||||
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