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6951 ALLOY CLAD ONE SIDE WITH 4343 ALLOY

aluminum-plate-4343

4343/3003/4343 ALLOY clad ingots have been prepared by liquid-solid casting. The microstructure, components distribution and interface bonding strength from the clad ingots have been investigated. The interface bonding mechanism of the clad ingots was analyzed. The outcomes indicate that as soon as the pouring temperature of 4343 aluminum alloy is 725-750℃, the metallurgical bonding of clad ingots is fantastic, and also with clear and flat interface. The metallurgical bonding interface of clad ingots consists of Al-Si solid answer layer and diffusion layer of Si and Mn.

he thickness of 4343 ALLOY Al-Si strong solution layer is uniform. The diffusion distances of Mn and Si are 10μm and 32μm, respectively.The bonding strength of clad ingots is larger than the ultimate tensile strength of 3003 aluminum alloy.

the interface bonding mechanism of liquid-solid 4343/3003/4343 aluminum alloy clad ingot is as follows:firstly, the 4343 ALLOY melt is rapidly solidified on the the top of 3003 aluminum alloy ingot to form the Al-Si strong solution layer, then the Si within the Al-Si strong remedy layer and the Mn inside the 3003 aluminum alloy interdiffused to type the clad ingot with fantastic metallurgical bonding interface.

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