Mtu Aero Engines Ag

Richemont International S.a.

Uwe Glatzel

Robert Singer

Thomas Goehler

Ralf Rettig

Steffen Neumeier

Ernst Affeldt

Mathias Goeken

Ernst Fleischmann

Rainer Voelkl

Frédéric Diologent

Fanny Lalire

Rainer VÖLKL

Tanja Trosch

The invention relates to a nickel-based alloy having a microstructure with a matrix of &#x3b3;-phase and precipitates of &#x3b3;'-phase. The &#x3b3;&#x2032;-phase comprises a percentage by volume of from 50 vol % to 80 vol % in the temperature range of from 1000&#xb0; C. to 1100&#xb0; C. The nickel-based alloy comprises 8 to 13 at % aluminum, 3 to 14 at % cobalt, 4 to 12 at % chromium, 0.6 to 8 at % molybdenum, 0 to 6 at % rhenium, 0.5 to 4 at % tantalum, 0.5 to 4 at % titanium, 0.3 to 3.5 at % tungsten, 0 to 4 at % germanium, 0 to 0.6 at % hafnium, 0 to 4 at % ruthenium, balance nickel and unavoidable impurities. The concentrations of molybdenum and tungsten are selected such that the percentage X of molybdenum and tungsten in the &#x3b3;-phase, X=0.84 C+C, is greater than 5.5 at % at a temperature of from 1000&#xb0; C. to 1100&#xb0; C., Cand Cbeing the concentrations of molybdenum and tungsten in at %.

Nickel-based alloy with optimized matrix properties

Growing community of inventors

Bayreuth, Germany

Uwe Glatzel