This paper has established the numerical models of the heat generation from the shoulder, the cylinder shape and the cone shape pins (including pin sideface and endface) during friction stir welding.

• 根据搅拌摩擦焊接特点,建立了轴肩、柱形搅拌针和锥形搅拌针热输入数值模型,并分别讨论了搅拌针锥角对轴肩和锥形搅拌针热输入的影响。