Patent ID: 6492037
Filing Date: 2002-12-10
Classification: B23K,H01H,H01R,Y10S,Y10T

Abstract:
A friction welded joint structure of dissimilar metallic materials, comprising first and second metallic materials which are friction welded together, wherein the second metallic material has a smaller rigidity than the first metallic material, and wherein an angle of the first metallic material to a free edge of the first metallic material, at an end portion of a joined surface between the first and second metallic materials, is greater than or equal to 120 degrees or in the range of from 55 degrees to 85 degrees, and wherein a reaction layer between the first and second metallic materials is more than zero and less than or equal to 20 &mgr;m, and wherein one of the first and second metallic materials is copper, and wherein the other of the first and second metallic materials having the smaller rigidity is aluminum.