▎ 摘 要
NOVELTY - A graphene copper-clad aluminum alloy flat wire comprises a graphene aluminum alloy core wire and a copper layer coated on the surface, the width of the graphene copper-clad aluminum alloy flat wire has a 4-20mm and a thickness is 2-4mm, the aspect ratio is 2:1-7:1, the graphene aluminum alloy core wire contains 97-98 wt% of aluminum and contains 0.8-1.8 wt% of conductive graphene powder. USE - Graphene copper-clad aluminum alloy flat wire. ADVANTAGE - The graphene copper-clad aluminum alloy flat wire has better conductivity, high tensile strength, better ductility and cost effective manner. DETAILED DESCRIPTION - An INDEPENDENT CLAIM is also included for a method for preparing graphene copper clad aluminum alloy flat wire, which involves heating the aluminum to a liquid state for smelting, adding conductive graphene powder, mixing and stirring after completion, to obtain a graphene aluminum alloy liquid, and smelting and drawing to obtain a graphene aluminum alloy blank line, stretching the graphene aluminum alloy blank wire and performing finishing treatment to obtain a graphene aluminum alloy core wire with a required specification and a round surface, rolling the copper strip into a tubular shape, covering the graphene aluminum alloy core wire in the tubular copper strip and welding the slit of the tubular copper strip by argon arc welding or wrapping the copper tube on the graphene aluminum alloy core outside the line, forming a graphene copper clad aluminum alloy busbar, vacuum annealing the graphene copper-clad aluminum alloy busbar, performing continuous rolling forming processing on the annealed graphene copper-clad aluminum alloy busbar, stretching and shaping the graphene copper-clad aluminum alloy busbar after continuous rolling forming, winding up to form a roll.