B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 7/00 (2006.01) B22F 3/11 (2006.01) B22F 7/06 (2006.01)
Patent
CA 2509941
The invention relates to components which are produced or processed by powder metallurgy, and to processes for producing components of this type. The components produced by powder metallurgy are intended both to have porous regions and to provide fluid-tight properties, and it should also be possible to produce them at correspondingly low cost and suitably flexibly. For this purpose, a component of this type has at least one porous region, which is formed from an intermetallic phase or solid solutions. However, it may also have a corresponding surface coating. Moreover, in a component of this type there is at least one areal fluid-tight region which is formed from a metal or metal alloy of the corresponding intermetallic phase or solid solution.
L'invention concerne des composants produits ou traités par métallurgie des poudres ainsi que des procédés de production de composants de ce type. Les composants produits par métallurgie des poudres comportent des zones poreuses et présentent des propriétés étanches aux fluides. En outre, ils devraient pouvoir être produits à moindres frais et de manière suffisamment flexible. Ainsi, un composant de ce type comporte au moins une zone poreuse formée à partir d'une phase intermétallique ou d'une solution solide. Toutefois, il peut également comporter un revêtement de surface correspondant. Par ailleurs, ledit composant comprend au moins une zone aréale étanche aux fluides formée à partir d'un métal ou d'un alliage métallique de la phase intermétallique ou de la solution solide correspondante.
Boehm Alexander
Naumann Dirk
Weissgaerber Thomas
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung
Inco Limited
Smart & Biggar
Vale International S.a.
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