NICKEL-BASE SUPERALLOY, AND PARTS MADE FROM ABOVE SAID SUPERALLOY Russian patent published in 2013 - IPC C22C19/05 C22F1/10 

FIELD: metallurgy.

SUBSTANCE: superalloy has the following composition, wt %: 1,3%≤Al≤2.8%, trace amounts ≤Co≤11%, 14%≤Cr≤17%, trace amounts ≤Fe≤12%, 2%≤Mo≤5%, 0.5%≤Nb+Ta≤2.5%, 2.5%≤Ti≤4.5%, 1%≤W≤4%, 0.0030%≤B≤0.030%, trace amounts ≤C≤0.1%, 0.01%≤Zr≤0.06%, nickel and inevitable impurities are the rest; with that, content of the components is expressed in at %: 8≤Al at %+Ti at %+Nb at %+Ta at %<11, 0.7<(Ti at %+Nb at %+Ta at %)/Al at % ≤1.3. A part made from superalloy, which represents the part of an aviation or ground gas turbine is described.

EFFECT: alloy has high mechanical properties at high temperature, as well as high forgeability.

14 cl, 1 dwg, 2 tbl, 10 ex