| 摘要 |
<p>A composite metal body is disclosed consisting of an oxide dispersion strengthened alloy substrate and a coating. The substrate is esssentially consisting of Cr 10 to 35% Al 3 to 9% preferably 5 to 7% C up to 0,27. a refractory oxyde in a small but effective amount up to 5% optionally W, Mo, Ta, Nb, Co, Re, Hf, Fe Ni balance The coating essentially consists of Cr 15 to 25% Al 3 to 11%, preferably 6 to 8,5% Ta up to 5% Y up to 1% Ni balance. d</p> |
