Fig. 5. (a) Stress–strain curves of PMSQ–SF monoliths for [Si]3.5 with the compressive behaviour, (b) the stress–strain curves for [Si]3.5 in a low strain, (c) the variation of Young' modulus (E), bulk density (ρb), maximum strain ε (%), and max. compressive strength (δmax) versus SF and TMSPA content for [Si]3.5 series of PMSQ–SF monoliths, (d) the compressive hysteresis of EMT-10-SF-40 at maximum strain of 50% in two successive compressive cycles, (e) the compressive hysteresis of EMT-10-SF-4 at maximum strain of 60% in five cycles, (f) stress–strain curves of PMSQ–SF monoliths for [Si]17.5, (g) the variation in the maximum strength of representative developed hybrid aerogels.
