Patent ID: 6835467
Filing Date: 2004-12-28
Classification: B23K,B32B,Y10T

Abstract:
Clad plates for corrosion resistance comprising:a substrate of a plate shape of the pure metal or an alloy of Fe; a clad metal of a plate shape stacked on one side of said substrate and of the pure metal or an alloy of Zr; an insert metal between said substrate and said clad metal for bringing about an eutectic reaction of said substrate with said clad metal, said insert metal being of at least one material selected from the group consisting of the pure metal or an alloy of Cu, Fe, Ni, and Co; and an eutectic reaction layer formed at an interface between said insert metal and said clad metal for bonding said insert metal and clad layers to form clad plates stacked in the order of clad metal/insert metal substrate of one of Zr/Cu/Fe, Zr/Ni/Fe, Zr/Cu/Ni/Fe, Zr/Ni/Cu/Fe, Zr/Co/X/Fe, Zr/Cu/X/Fe, Zr/Ni/X/Fe, and Zr/Fe/X/Fe, with the Ni, Cu, Fe and Co of a first layer of said insert metal being a pure metal or an alloy, and X corresponding to a second layer of said insert metal of a pure metal or an alloy whose melting point is higher than an eutectic temperature of a system of the Zr clad metal and said first layer of said insert metal.