24-03-2022 дата публикации
Номер: US20220090233A1
Принадлежит:
A nickel-based alloy composition consisting, in weight percent, of: between 5.0% and 6.9% aluminium, between 0.0% and 11.0% cobalt, between 6.0% and 11.6% chromium, between 0.0% and 4.0% molybdenum, between 0.0% and 2.0% niobium, between 0.6 and 8.6% tantalum, between 0.0% and 3.0% titanium, between 8.4% and 15.2% tungsten, between 0.02 wt. % and 0.35 wt. % carbon, between 0.001 and 0.2 wt. % boron, between 0.001 wt. % and 0.5 wt. %. zirconium, between 0.0 and 0.5% silicon, between 0.0 and 0.1% yttrium, between 0.0 and 0.1% lanthanum, between 0.0 and 0.1% cerium, between 0.0 and 0.003% sulphur, between 0.0 and 0.25% manganese, between 0.0 and 0.5% copper, between 0.0 and 2.0% hafnium, between 0.0 and 1.0% vanadium, between 0.0 and 4.0% iron, between 0.0 and 1.0% rhenium, the balance being nickel and incidental impurities, wherein the following equations are satisfied in which W, W, W, W, W, Wand Ware the weight percent of niobium, tantalum, titanium, chromium, molybdenum, tungsten and rhenium in the alloy respectively 6.6≤2W+W+1.44W, 22.2≥W+W+1.16 W+1.7W, 13.9≤W+1.17(W+3.3W). 1. A nickel-based alloy composition consisting , in weight percent , of: between 5.0% and 6.9% aluminium , between 0.0% and 11.0% cobalt , between 6.0% and 11.6% chromium , between 0.0% and 4.0% molybdenum , between 0.0% and 2.0% niobium , between 0.6 and 8.6% tantalum , between 0.0% and 3.0% titanium , between 8.4% and 15.2% tungsten , between 0.02 wt. % and 0.35 wt. % carbon , between 0.001 and 0.2 wt. % boron , between 0.001 wt. % and 0.5 wt. %. zirconium , between 0.0 and 0.5% silicon , between 0.0 and 0.1% yttrium , between 0.0 and 0.1% lanthanum , between 0.0 and 0.1% cerium , between 0.0 and 0.003% sulphur , between 0.0 and 0.25% manganese , between 0.0 and 0.5% copper , between 0.0 and 2.0% hafnium , between 0.0 and 1.0% vanadium , between 0.0 and 4.0% iron , between 0.0 and 1.0% rhenium , the balance being nickel and incidental impurities , wherein the following equations are satisfied ...
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