25 An Experimental Study on Friction Stir …
285
a)
A
R
R
A
Defect Free
Defect Free
b)
c)
d)
Wormhole
Wormhole
A
R
A
R
e)
A
R
Wormhole
Fig. 25.6 The cross sections on different rotational and transverse speeds a. 490 rpm and 16 mm/min
b. 910 rpm and 16 mm/min c. 1700 rpm and16 mm/min d. 1700 rpm and 26 mm/min e. 1700 rpm
and 44 mm/min
Acknowledgements The authors would like to acknowledge the Universiti Kuala Lumpur for the
facilities and funding provided for this project.
285
a)
A
R
R
A
Defect Free
Defect Free
b)
c)
d)
Wormhole
Wormhole
A
R
A
R
e)
A
R
Wormhole
Fig. 25.6 The cross sections on different rotational and transverse speeds a. 490 rpm and 16 mm/min
b. 910 rpm and 16 mm/min c. 1700 rpm and16 mm/min d. 1700 rpm and 26 mm/min e. 1700 rpm
and 44 mm/min
Acknowledgements The authors would like to acknowledge the Universiti Kuala Lumpur for the
facilities and funding provided for this project.