Figure 3From: Preparation and Characterization of Silica/Polyamide-imide Nanocomposite Thin FilmsFracture surface micrographs of a unmodified-silica/PAI composites; b 1.0 wt%CTAB-silica/PAI composites; c 2.0 wt%CTAB-silica/PAI composites; d 3.0 wt%CTAB-silica/PAI compositesBack to article page