Claims
- 1. A metallic article comprising a substrate selected from the group consisting of Fe, Co and Ni base alloys, said substrate having diffused thereon an alloy consisting essentially of, by weight, 8-30% Al, 0.1-10% Hf, 0.5-20% of an element selected from the group consisting of Pt, Rh and Pd, up to 30% Y and the balance an element selected from the group consisting of Ni and Co.
- 2. The article of claim 1 which includes, in addition, by weight, 10-50% Cr.
- 3. The article of claim 2 consisting essentially of, by weight, 20-30% Cr, 8-20% Al, 0.5-1% Y, 2-5% Hf, 5-10% Pt with the balance of an element selected from the group consisting of Co and Ni.
- 4. The article of claim 2 wherein the balance of the diffused alloy is Co.
- 5. The article of claim 3 wherein the balance of the diffused alloy is Ni.
Government Interests
The invention herein described was made in the course of or under a contract, or a subcontract thereunder, with the U.S. Department of the Navy.
US Referenced Citations (2)
Number |
Name |
Date |
Kind |
3528861 |
Elam et al. |
Sep 1970 |
|
3918139 |
Felten |
Nov 1975 |
|