C - Chemistry – Metallurgy – 22 – C
Patent
C - Chemistry, Metallurgy
22
C
C22C 19/05 (2006.01)
Patent
CA 2387828
The object of the present invention is to provide an Ni-based single crystal super alloy capable of improving strength by preventing precipitation of a TCP phase at high temperatures. This object is achieved by an Ni-based single crystal super alloy having a composition consisting of 5.0-7.0 wt% Al, 4.0-8.0 wt% Ta, 2.9-4.5 wt% Mo, 4.0-8.0 wt% W, 3.0-6.0 wt% Re, 0.01-0.50 wt% Hf, 2.0-5.0 wt% Cr, 0.1-9.5 wt% Co and 1.0-4.0 wt% Ru in term of its weight ratio, with the remainder consisting of Ni and unavoidable impurities.
Aoki Yasuhiro
Arai Mikiya
Chikugo Kazuyoshi
Harada Hiroshi
Kakiuchi Ryoji
Ihi Corporation
Ishikawajima-Harima Heavy Industries Co. Ltd.
Marks & Clerk
National Institute For Materials Science
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