Effect of Crack Healing of SiC according to Times of SiO2 Colloid Coating
Figure 5
The SPM image of crack part after coating and heat treatment of 3 times. (a) Crack width of about 1 m with crack healing of one time, (b) crack width of about 1.8 m with crack healing of three times, and (c) crack width of about 4.05 m with crack healing of three times.