| 摘要 |
In one embodiment, an apparatus for use in friction stir welding including a friction stir tool (58), having a shoulder (60), a non-consumable welding pin (62) extending downward centrally from the shoulder, a first workpiece (52) disposed in a backing workpiece (56), a second workpiece (54) located a predetermined distance from the first workpiece (52) on the backing workpiece (56), and a transition strip (50) disposed on the backing workpiece between the first workpiece (52) and the second workpiece (54), wherein the contact area or a space between the transition strip (50) and the first workpiece (52) defines a first interface (64) and the contact area or a space between the transition strip (50) and the second workpiece (54) defines a second interface (66), wherein the non-consumable welding pin (62) is rotated over the first interface (64) and the second interface (66) to weld the first workpiece (52) to the second workpiece (54) with the transition strip material incorporated as part of the weld, is disclosed. |
