Research Article

Effect of Crack Healing of SiC according to Times of SiO2 Colloid Coating

Figure 3

The surface image according to the times of coating and heat treatment on about 2  m of crack width by the hydrostatic pressure method with nanocolloid. (a) Before crack healing, (b) one time crack healing, (c) two times crack healing, and (d) three times crack healing.
695895.fig.003a
(a)
695895.fig.003b
(b)
695895.fig.003c
(c)
695895.fig.003d
(d)