Laser Welded Corrugated Thin Metal Sheets

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Rising environmental concerns are encouraging industries such as aerospace, marine andautomotive to improve their assembly weights by using lightweight materials. In Europe, theaverage emissions of all vehicles sold by an OEM in one year need to decrease from 140g/kmto less than 75g/km by 2025 (McKinsey & Co). Corrugation has proven to producelightweight, high strength structures. However metal sheets that are suitable for corrugationare thin, well below 1mm, and therefore vulnerable to destructive melting and warping whenwelded to a substrate. ALT will utilise the principles of thin foil welding of steel to eliminatethese problems by processing a continuous laser weld. This will lead to the production of laserwelded corrugated thin metal sheets that can form lightweight, high strength metal sheets toreplace, heavier, plate steel sheeting