Development of Clad Materials Obtained by Cold Roll Bonding in Air Using Metallic Powder

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Pure metallic powder preformed on the aluminum and mild steel substrates, respectively, were rolled to form cladding materials at room temperature in air. It is shown that the property of the rolling about the influence of the powder size on the partial rolling ratio and the influence of the partial rolling ratios of the cladding layer and the substrate on the total rolling ratio. Also, adhesion strength of cladding materials of aluminum on mild steel substrate has sufficient strength and the cladding materials showed excellent oxidation resistance compared with a cast iron. Therefore, the ability of materials development with various characteristic is opened out by design a structure of the cladding layer.