| abstract |
Known protective coatings with high Al and / or Cr content andnadditionally reinforced by Re, brittle phases formnunder the influence of carbon during use in additionnbrittle.n n n The protective layer according to the invention has the composition 0.5 to 2% rhenium, 24 to 26% cobalt, 15 to 21% chromium, 9 to 11.5% aluminum, 0.05 to 0.7% yttrium and / or at least one equivalent metal from the Group comprising scandium and the elements of rare earths, 0 to 1% ruthenium, remainder cobalt and / or nickel as well as manufacturing impurities, and shows little embrittlement by Cr / Re excretions. |