Figure 5
SEM fractured surface images of typical silane-treated BNNP-epoxy samples and non-treated samples. (a) SEM image of pure epoxy resin; (b to d) SEM images of non-silane-treated BNNP-epoxy composites with BNNP loading fractions of 10, 40, and 70 wt.%, respectively; (e to g) SEM images of silane-treated BNNP-epoxy composites with BN loading fractions of 10, 40, and 70 wt.%, respectively.