| 简介 |
Existing protective layers which have a high Al and/or Cr content and which are additionally reinforced by Re-forming brittle phases that, during use, additionally embrittle under the influence of carbon. The inventive protective layer has the composition 1.5 % to 2.5 % rhenium, 11 % to 13 % cobalt, 20 % to 22 % chrome, 10.5 % to 11.5 % aluminum, 0.3 % to 0.5 % yttrium and/or at least one equivalent metal selected from the group comprising scandium and the elements of the rare earths and the remainder consists of nickel and hardly exhibits a brittleness by Cr/Re depositions. |
客服热线：
手机版
二维码
