FORMATION OF JOINT FOR STAINLESS STEEL PRODUCTS AND DIFFERENT METALLIC MATERIAL

摘要

PURPOSE:To improve joining strength and to cleanly finish a joint part in the case of formation of a joint by subjecting stainless steel products and a different metallic material softer than the stainless steel products to friction press welding. CONSTITUTION:The joint surface of the different metallic material, such as aluminum alloy material, is projected and formed to a circular conical shape and the joint surface of the stainless steel products 3 is previously formed to a recessed shape to be fitted to a circular conical shape. These joint surfaces are subjected to friction press welding to the state of fitting the surfaces to each other. The joint surface of the recessed shape of the stainless steel products 3 is subjected to nickel plating 5 and thereafter the materials are subjected friction press welding if the different metallic material 1 is an aluminum alloy material.