Research Article

Damping Property of a Cement-Based Material Containing Carbon Nanotube

Figure 9

SEM images of CNT/cement composite after 28-day curing.
(a) 0.033% MWCNT × 30 K
(b) 0.033% MWCNT × 8 K
(c) 0.1% MWCNT × 30 K
(d) 0.1% MWCNT × 30 K