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