The new technology employs a 1064nm central beam to penetrate the oxide layer, while a 450nm annular beam stabilises the weld pool and suppresses zinc/magnesium evaporation. At a welding speed of 1.2m/min, the heat-affected zone is reduced to 0.8mm with a 22% increase in tensile strength. Testing demonstrates that under argon gas shielding, the porosity rate of aluminium alloy welds is as low as 0.3%. This technology has been successfully applied to energy storage cabinet bodies, passing a 48-hour salt spray test.
