JOINED HETEROGENEOUS MATERIALS AND JOINING METHOD THEREFOR

摘要

Disclosed is a joined heterogeneous material in which a carbon steel material (11) and an aluminum material (12) have joined via friction - stir welding. The region of a weld zone (15) with a low lift-up amount in a plastic flow area (17) created during friction-stir welding is located on one side of the aluminum material (12) with respect to the weld zone (15), created by a welding probe (14). The region of the weld zone (15) with a high plastic flow area (17) lift-up amount is located on the other side of the aluminum material (12).