Patent ID: 9404372
Filing Date: 2016-08-02
CPC Classification: B32B,C22C,C23C,F01D,Y10T

Claim Text:
1. An aluminide diffusion coating on a substrate wherein the coating includes a non-aluminide X—Pt/Pd—Ni phase, wherein the phase comprises X, which is at least one of Hf and Zr, Pt/Pd, which is at least one of Pt and Pd, and Ni, and wherein the X—Pt/Pd—Ni phase is present as a layer between an outer β (Ni,Pt/Pd)A1 phase region and an inner diffusion zone of the coating, wherein the outer β (Ni,Pt/Pd)A1 phase region and the non-aluminide X—Pt/Pd—Ni phase are disposed outboard of the diffusion zone of the coating.