Test results indicate that compound process of laser welding can remarkably improve weld penetration and welding speed,therefore low power laser welder can be used for aluminum alloy welding.

• 试验结果表明,激光焊复合工艺可以显著提高焊缝熔深和焊接速度,从而实现采用小功率激光焊机实现铝合金激光焊接的目的。