Method for producing copper-coated aluminum bus bar of low specific resistance and good plasticity and tenacity
A technology of copper-clad aluminum bar and production method, which is applied in the direction of circuits, electrical components, conductors, etc., can solve the problems of increased contact resistance, high resistivity, poor metallurgical bonding, etc., and achieve high interface bonding strength, short process flow, The effect of high production efficiency
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[0019] Below in conjunction with embodiment the present invention is described in detail:
[0020] The production method of the copper-clad aluminum row of the present embodiment comprises the steps:
[0021] A. Use a cladding material processor to deoxidize the surface of the copper strip and aluminum row;
[0022] B. Then, send the copper strip and aluminum row into the cladding machine for forming and welding, then roll and tighten with a cold rolling mill, and then saw and cut according to the required size;
[0023] C. Send the broken copper-clad aluminum discharge continuously into the intermediate frequency heating furnace for preheating for 60-150 seconds to adjust the temperature to 300-600°C; use intermediate frequency furnace for preheating, which is suitable for making the copper surface and aluminum surface When heated in an instant, the surface layers of the two alloy metals melt instantly, achieving a true metallurgical combination.
[0024] D. Then send the c...
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