Metal treatment – Stock – Directionally solidified
Patent
1996-12-11
1999-12-28
Wyszomierski, George
Metal treatment
Stock
Directionally solidified
148410, 148428, 420448, C22C 1905
Patent
active
060076453
ABSTRACT:
A superalloy composition and single crystal articles of the composition are disclosed. The broad range, in weight percent, is 3.0-20.0% Co, 5.0-10.0% W, 5.0-7.0% Al, 0.4-2.9% Cr, 4.0-8.0% Ta, 0-1.0% V, 0-8.5% Re, 0-1.5% Ti, 0-3.0% Hf, 0-4.0% Mo, 0-2.0% Nb, 0-10.0% of one or more elements selected from the group consisting of Ru, Rh, Pd, Os, Ir, Pt, 0-1.0 of one or more elements selected from the group consisting of Y, La, Sc, Ce, lanthanides or actinides series of elements, balance essentially Ni. An equation is presented to select the most useful specific compositions from within this range.
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Cetel Alan D.
Duhl David N.
Boyd, Esq. John E.
United Technologies Corporation
Wyszomierski George
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