作者: Michael Douglas Arnett , Ganjiang Feng , Shan Liu
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摘要: An article and a method for forming the are disclosed. The includes an equiaxed grain structure composition. composition includes, by weight percent, about 6.0% to 9.0% aluminum, up 0.5% titanium, 2.5% 4.5% tantalum, 10.0% 12.5% chromium, 5.0% cobalt, 0.30% 0.80% molybdenum, 2.0% tungsten, 1.0% silicon, 0.35% 0.60% hafnium, 0.005% 0.010% boron, 0.06% 0.10% carbon, 0.02% zirconium, 0.1% lanthanum, 0.03% yttrium, balance nickel incidental impurities. Rhenium, if present, is trace element. providing having 0.01% rhenium article.