A method for estimating a critical surface area expansion rate used for predicting a sliding amount of a dissimilar metal bonding material, and a method for manufacturing a dissimilar metal bonding material. A method of estimating a critical surface area expansion ratio used in a method of predicting a sliding amount when manufacturing a dissimilar metal bonding material, the method comprising: Estimating the critical surface area expansion ratio using bonding strength of two or more different metal materials and deformation resistance of the two or more different metal materials at high temperatures; and a method of manufacturing a dissimilar metal bonding material. Fig. 7

You do not currently have access to this content.