284
M. F. Makhtar et al.
Fig. 25.5 Comparison on
the surface appearance of
weld zone on different
rotational and transverse
speeds a. 490 rpm and
16 mm/min b. 910 rpm and
16 mm/min c. 1700 rpm and
16 mm/min d. 1700 rpm and
26 mm/min e. 1700 rpm and
44 mm/min
a)
b)
c)
d)
e)
Crack
A
R
A
R
A
R
A
R
A
R