Patent ID: 9562276
Date: 2017-02-07
CPC Classifications: C22C,C22F

Claim:
1. An article comprising: a material comprising the following elements, in weight percent: at least about 40% nickel, from about 1.5% to about 8% titanium, and from about 1.5% to about 4.5% aluminum, wherein a weight ratio of titanium to aluminum is in the range from about 1 to about 4, a plurality of L1 a plurality of A3-structured ordered eta phase precipitates distributed within the matrix phase at a concentration in the range from about 3% to about 25% by volume, wherein a solvus temperature of the eta phase is higher than a solvus temperature of the gamma-prime phase, wherein the material further comprises from about 2% to about 8% tantalum, up to about 7% molybdenum, up to about 2% niobium, and up to about 1% hafnium and wherein the material has a median grain size of less than 3 micrometers.