| 摘要 |
Known protective layers with a high Cr content form brittle phases which become even more brittle during use under the influence of carbon. The protective layer according to the invention has the composition 26% to 28% cobalt, 20% to 22% chromium, 7% to 8% aluminium, 0.5% to 0.7% yttrium and/or at least one equivalent metal from the group comprising scandium and the rare-earth elements, optionally silicon and/or rhenium and the rest made up of nickel.
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