The Dependence of Damping and Dynamic Modulus on Temperature as a Means of Evaluating the Elastic Behavior of Raw and Vulcanized Rubber. The Dynamic Resistance of Soft Rubber to Cold

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Abstract
The dependence of the damping and elastic modulus of a vuleanizate on its temperature makes it possible to evaluate its elastic behavior throughout the temperature range which is of technical importance. Measurements were carried out at a constant frequency of 16⅔ Hertz units (1) to determine the damping effect, in which case the freezing temperature of the vulcanizate, the maximum damping above the freezing point, and in many cases the decrease in damping with increase in temperature above 0° C, were determined, and (2) to determine the elastic modulus, in which case the freezing temperature of the vulcanizate, the freezing range, and the dynamic modulus of elasticity were determined.

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