A cold roll-bonding process was applied to fabricate an AA1050/AA6061/AA1050 multi-layer sheet. Three Al sheets in which an AA6061 sheet is inserted inside two AA1050 sheets of 2 mm thickness. 40 mm width and 300 mm length were stacked up after surface treatment. and the material was then reduced to a thickness of 1. https://jalyttlers.shop/product-category/christmas-tree/