B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 3/12 (2006.01) B22F 1/00 (2006.01)
Patent
CA 2710971
The invention regards a process for manufacturing a component with a base of Co-Cr-Mo alloys having values of average ultimate elongation at 800°C greater than 10% and of average yielding load at 800°C greater than 400 MPa, comprising the steps of: a) obtaining a sintered component by means of additive sintering of powders of Co-Cr-Mo alloys containing the respective carbides irregularly dispersed in the molten matrix; b) carrying out on the sintered component a first heat treatment for solubilization of said carbides at a temperature of between 1100°C and 1300°C for a treatment time of at least 2 hours to form a solubilization intermediate; c) cooling the solubilization intermediate at a cooling rate at least equal to that of cooling in air to form a cooled intermediate; d) carrying out on the cooled intermediate a second heat treatment at a temperature of between 700°C and 1000°C so as to obtain said component.
Avio S.p.a.
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
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