Research Article

Dynamic Interaction between Machine, Tool, and Substrate in Bobbin Friction Stir Welding

Figure 2

Bobbin tool. (a) Fabricated tool. (b) Cross section at pin area, A-A. (i) Cylinder pin. (ii) Cylinder pin with 3 flats. Figure is not to scale and the unit of the drawings is in mm.
(a)
(b)