PART COMPRISING A COATING OVER A METAL SUBSTRATE MADE OF A SUPERALLOY, SAID COATING INCLUDING A METAL SUBLAYER

摘要

The invention relates to a part comprising a coating over a metal substrate made of a superalloy, the coating including a metal sublayer covering said substrate, characterized in that said metal sublayer contains a nickel aluminide base and further contains 0.5 and 0.95 atomic % of one or more stabilizing elements M of the gamma and gamma prime phases from the group consisting of Cu and Ag.