Table 3.

Mean fracture load (N), fracture stress (MPa) and crack size (c in μm) values for the experimental groups, followed by standard deviation (SD) and coefficient of variation (CV).

	Fracture Load (N)		c (μm)	Fracture Stress (MPa)
Groups	Mean (SD)	CV (%)	Mean (SD)	Mean (SD)
YZ16	4526 (406)^a	9	25 (5)^b	1100 (115)^a
YZ16-CM	3992 (653)^b	16	31 (4)^a	940 (49)^b
IZ16	2310 (134)^c	6	38 (6)^a	470 (41)^c
IZ16-MC	2220 (244)^c	11	34 (5)^a	500 (38)^c
AL16	1973 (238)^c	12	38 (5)^a	460 (27)^c
AL16-MC	2021 (253)^c	13	37 (6)^a	480 (37)^c
YZ9	2205 (186)^c	8	32 (6)^ab	940 (82)^b

Values followed by the same letter in the column are statistically similar (p>0.05).