Table 1.

Vickers microhardness of groups G I (a and b) and G II (c and d).

Location	Microhardness (Hv) G I (a & b)	Location	Microhardness (Hv) G II (c & d)
A	56.7 ± 4.5	A	48.0 ± 4.7
B	69.8 ± 3.2	B	58.1 ± 3.9
C	53.3 ± 4.8	C	49.8 ± 3.3
D	77.7± 6.3	D	58.6 ± 4.4
E	65.8 ± 5.6	E	48.6 ± 4.6
F	62.9 ± 4.1	F	53.0 ± 5.3
G	55.0 ± 3.0	G	56.2 ± 3
H	66.3 ± 5.3	H	62.5 ± 5.0
I	53.7 ± 4.2	I	57.3 ± 2.6
J	67.2 ± 6.7	J	63.7 ± 4.5
K	62.2 ± 5.6	K	46.4 ± 3.8
L	56.1 ± 4.3	L	48.3 ± 4.1