B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
18/1119
B22F 3/14 (2006.01) B22F 3/12 (2006.01) C04B 35/64 (2006.01) C04B 35/645 (2006.01)
Patent
CA 1322092
-9- DESCRIPTIVE ABSTRACT The invention relates to a process for shaping a material by iso- static compression at a temperature of at least 1300°C of a powder of said material in a tight sheath. The sheath is made from titanium or a titanium alloy and is inter- nally coated with tantalum in such a way that the sheath can be embrittled during hot isostatic compression, by the diffusion of tantalum into the titanium or titanium alloy, in the presence of oxygen. In general, the titanium sheath is coated with tantalum by spraying in the presence of oxygen. The use of such a sheath makes it possible to avoid the operation of eliminating the sheath chemically or mechanically conventionally necessary in such processes. B 9491.3 MDT
573428
Boncoeur Marcel
Lieven Thierry
Palacio Marc
Commissariat A. L'energie Atomique
Goudreau Gage Dubuc
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