Welding aluminium@ alloy parts - using constant power laser beam with simultaneous pulsed laser beam to maintain presence of plasma above weld area

摘要

Method of welding Al and Al alloy parts used a constant power laser beam with a pulsed laser beam which is focused onto the welding area at the same time as the constant power laser beam or in advance of the latter. ADVANTAGE - The pulsed laser beam ensure the presence of a plasma above the welding area which thereby ensures a stable welding process free from plasma smoke generation and weld faults.