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Welding Materials For Aluminium Composite Panel

      At home and abroad, the production methods of composite sheet materials include solid-liquid combination method and solid-interphase bonding method. The most common solid-interphase bonding method is explosive welding and explosive welding billet + rolling, in addition to laminated plate hot rolling method, diffusion crimping method, surfacing method, surfacing welding and hot rolling method. Explosive welding production of composite plate is the use of explosives for the energy medium to weld metal, by using the shock wave generated by the explosion to move the complex plate to the base plate movement, in the discharge gap of the gas at the same time through impact, in the contact interface occurs a thin layer of metal plastic deformation, melting and diffusion between atoms, so that the metal plate welding.Aluminium Composite Panel
     "Explosive welding billet + rolling" is the process method of rolling on the basis of explosive welding, mainly for the development of cold-rolled double-sided composite plates and coils. Through different production methods, composite plate composite has one-sided composite, there are two-sided composite, shape plate, tube, wire, rod, wire, conductive composite materials.Aluminium Composite Panel
     The main steel plate of stainless steel is mainly produced by explosive welding in our country. The bonding interface of explosive welding is a waveform, which is different from the interface of direct rolling, and whether the waveform interface is considered as an important sign of good bonding. According to the metallographic observation of the specimen, there are three types of explosive composite interface: one is the direct bonding between metals, the other is the formation of the interface wave-like bonding, and the third is the formation of a homogeneous continuous melting layer between metals. In these three forms, only the formation of wave-like bonding, the atom diffusion between the interface can make the composite plate have a higher interfacial strength, but also can achieve in the wider process parameters range of processing, is the ideal combination way.Aluminium Composite Panel
    The heat treatment of stainless steel clad plate is a key part in the production process of the composite plate, the strength and hardness of the composite steel plate after the explosion welding are increased, and the plasticity is reduced, which is unfavorable for subsequent processing. The process of heat treatment is to eliminate the internal stress after explosive recombination and to improve the plasticity.Aluminium Composite Panel