Phenomenological description of the “structure–property” relation for epoxy oligomer hardeners on the basis of internal friction spectraстатьяИсследовательская статья
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Дата последнего поиска статьи во внешних источниках: 24 июля 2024 г.
Аннотация:A theoretical analysis has been performed for experimental data on internal friction spectra andtemperature–frequency dependences obtained by the method of free damped torsional oscillations fordiverse liquid hardeners (TETA, PEPA, and MTHPA) of epoxy oligomers. The main phenomenologicalmodel representations have been considered and employed to analyze various physicomechanical and physicochemical characteristics of local dissipative processes, which may have different mechanisms of internal friction (hysteresis-, phase-, and relaxation-type).