20140050940 | PART COMPRISING A COATING ON A SUPERALLOY METAL SUBSTRATE, THE COATING INCLUDING A METAL UNDERLAYER - The invention relates to a part comprising a coating on a superalloy metal substrate, the coating comprising a metal underlayer covering said substrate, the part being characterized in that said metal underlayer contains a base of nickel aluminide and also contains 0.5 at % to 0.95 at % of one or more stabilizer elements M from the group formed by Cu and Ag for stabilizing the gamma and gamma prime phases. | 02-20-2014 |