Fig. 4
From: Microscopic analysis of metal matrix composites containing carbon Nanomaterials
SEM images of (a) Al/fullerenes (Choi 2013), (b) Al/CNTs (Choi et al. 2009), and (c) Al/graphene composite powders, observed at different milling stages (Kim et al. 2017; Kim et al. 2018). Reprinted from Choi (2013), Choi et al. (2009), Kim et al. (2017) and Kim et al. (2018) (Compos. Res. 26, 111–115, J. Mater. Res. 24, 2610–2616, J. Mater. Sci. 52, 12,001–12,012 and J. Compos. Mater. 52, 3015–3025) with Composites Research’s, Journal of Materials Research’s, Journal of Materials Science’s and Journal of composite Materials’s permission