Fig. 6

DMTA of epoxy resin and composites. a Dynamic storage modulus (E’) profiles as a function of temperature from 25 °C to 170 °C. b Corresponding loss tangent tanδ profiles in the same temperature range. c The glass-transition temperatures Tg of the epoxy resin and studied composites, as defined by the peak tanδ. d Effect of an ideal interface in 5C5S-1 in influencing the glass-transition temperatures Tg