C - Chemistry – Metallurgy – 21 – D
Patent
C - Chemistry, Metallurgy
21
D
C21D 6/02 (2006.01) C21D 1/26 (2006.01) C21D 1/84 (2006.01) C22C 30/00 (2006.01)
Patent
CA 2184850
The process serves for the production of a body of material stable at high temperatures. In this process, the body of material is formed by solution annealing and subsequent precipitation hardening of a hot work-hardened starting body composed of an iron--nickel superalloy of the type IN 706 provided in a furnace. The body of material is distinguished by a particularly high ductility in combination with high hot strength if the solution-annealed starting body is cooled from the annealing temperature envisaged for the solution annealing to the temperature envisaged for the precipitation hardening at a cooling rate of between 0.5 and 20 [°C/min].
Nazmy Mohamed
Staubli Markus
Abb Management Ag
Alstom (switzerland) Ltd
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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