Research Article

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

Table 1

Surface elemental analysis of crack healing part of Figure 3.

ConditionElement
O (wt.%)Al (wt.%)Si (wt.%)Y (wt.%)

(a) One time24.912.3272.540.24
13.673.3182.790.23

(b) Two times57.020.3341.531.11
34.922.7259.662.69

(c) Three times56.540.4042.021.04
34.602.2460.252.91