High temperature powder metallurgy superalloy with enhanced...

Details High temperature powder metallurgy superalloy with enhanced... High temperature powder metallurgy superalloy with enhanced...

C - Chemistry, Metallurgy

22

C

C22C 19/05 (2006.01) C22C 1/04 (2006.01)

Patent

CA 2550545

A nickel based superalloy composition comprising about 16.5 to about 20.5 weight % Co, about 9.5 to about 12.5 weight % Cr, about 1.8 to about 3.2 weight % Mo, about 4.25 to about 6.0 weight % W, about 3.0 to about 4.2 weight % Al, about 3.0 to about 4.4 weight % Ti, about 1.0 to about 2.0 weight % Ta, about 0.6 to about 1.8 weight % Nb, about 0.01 to about 0.08 weight % C, about 0.01 to about 0.06 weight % B, and about 0.04 to about 0.15 weight % Zr, balance Ni.

L'invention concerne une composition de superalliage à base de nickel, qui comprend: environ 16,5 à 20,5 % en poids de Co, environ 9,5 à 12,5 % en poids de Cr, environ 1,8 à 3,2 % en poids de Mo, environ 4,25 à 6,0 % en poids de W, environ 3,0 à 4,2 % en poids de Al, environ 3,0 à 4,4 % en poids de Ti, environ 1,0 à 2,0 % en poids de Ta, environ 0,6 à 1,8 % en poids de Nb, environ 0,01 à 0,08 % en poids de C, environ 0,01 à 0,06 % en poids de B, et environ 0,04 à 0,15 % en poids de Zr, l'équilibre étant apporté par Ni.

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