Abstract
The shift factora T for thermorheologically complex bodies is a function not only of temperature T but also of the deformation time t. A method is given for determining the vertical shift factor on the basis of macro-tests within the experimental time window. A procedure for determining the shift functiona T(T, t) is described with reference to the isothermal creep of a polyester glass-reinforced plastic in shear in the plane of reinforcement, and a master curve, simulating the long-term creep of a thermorheologically complex composite, is constructed. The predictions are compared with a long-term control experiment.
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Institute of Polymer Mechanics, Academy of Sciences of the Latvian SSR, Riga. Translated from Mekhanika Polimerov, No. 2, pp. 209–215, March–April, 1974.
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Urzhumtsev, Y.S. Time — Temperature superposition for thermorheologically complex materials. Polymer Mechanics 10, 180–185 (1974). https://doi.org/10.1007/BF00860810
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DOI: https://doi.org/10.1007/BF00860810