China Aluminium Clad Steel Expolive Welding Block for Conductivity Aluminum

Explosive Bondingmetal dynamic cladding technology uses high energy from explosive detonation to produce a metallurgical weld between metal plates. It can produce high voltage pulse energy, pushing cladder collide with backer at a specific velocity and impact angle. That process produces much bigger stress than the yield strength of metal material. All these happen at instantaneous moment and simultaneously infinitesimal adjacent area of collision point of limited loading stress of materials, realizing wavelike metallurgical weld of two materials.
Advantages compared with single metal Explosive bonding is free from materials shape, thickness and areas. It realizes metallurgical connection between dissimilar metals. metallurgical bonding ensures no distributed transverse crack. It makes dissimilar metal combinations possible which are conventional impossible to weld while original metal properties maintain and joint/ bond stronger than the weakest material. And it saves rare metals and cost effectively, thin layer of expensive material cladded on a thicker layer of cheap material.
Electroylic Smelting of AluminumInside the pre-baking electrolysis cell of electrolytic aluminium factory, anode group is mainly composed of aluminum guide rod, steel claw and graphite anode rods. And the aluminum guide rod and the steel claw is jointed by aluminum-steel explosive welding block (also called aluminum-steel transition plate, aluminum-steel transition joint).
Compared with the screw connection and conventional welding, aluminum-teel explosive welding block has the characteristics of small interface resistance, high combination intensity, high-temperature resistance, corrosion resistance and etc. It is the most ideal conductive transition joint materials in the electrolysis and power system.
Aluminum-steel Explosive Welding Block During the installation and welding of anode group, the temperature of the trainsition joint between aluminum guide bar and steel claw can rise to more than 300 ºC. Before electrolyzing and during preheating, the temperature is 260 ºC in general; during the normal electrolyzing, the temperature is 200 ºC in genetral. The aluminum-steel explosive welding block produced by explosive welding technology can undertake such impact of the thermal cycle for several times.
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