| 摘要 |
<p>Nickel and cobalt base alloy articles are provided coated with a composition consisting essentially of about 20-60% chromium, 6-13.5% aluminum, 0.01-2.0% of a reactive metal such as yttrium, lanthanum or cerium and the balance nickel. The composition of the coating provides a suitable protection of the articles intended for service in highly oxidizing and corrosive, nigh-temperature environments as encountered in industrial and flying gas turbines.</p> |
