Abstract
Thermal effects which accompany the polymer fracture process have been investigated by means of calorimetric measurements and by inertialess detection of IR radiation. The data obtained are considered in the framework of energy characteristics of elementary scissions of overstressed macromolecules. It is concluded that the elastic energy released after macromolecular scission contributes substantially to the observed exothermic effects. Heat evolution due to molecular disruptions can lead to local acceleration of the destructive process in stressed polymers.
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Tomashevskii, E.E., Egorov, E.A. & Savostin, A.Y. Thermal effects during fracture in polymers. Int J Fract 11, 817–827 (1975). https://doi.org/10.1007/BF00012899
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DOI: https://doi.org/10.1007/BF00012899