B - Operations – Transporting – 22 – F
Patent
B - Operations, Transporting
22
F
B22F 7/00 (2006.01)
Patent
CA 2533118
The invention relates to a method for manufacturing components with a nickel base alloy as well as to components manufactured therewith. The respective components, in particular, are to have improved mechanical properties in comparison with the conventional solutions, and are to be producible in the most differently shaped form. During the production, proceeding takes place then such that a substrate core made of nickel or a nickel base alloy, in which nickel is included with a content of at least 20 wt%, will be coated on the surface with a binding agent as well as a metal powder in which nickel is included with a content of at least 20 wt% in addition to further alloy forming elements. Subsequently, a stepped thermal treatment is carried out in which the binding agent is expelled at first, and subsequent to this sintering of the mezai powder is performed which results in alloying up a nickel substrate core and/or which develops a solid surface coating made of nickel base alloy.
L'invention concerne un procédé de fabrication de composants en alliage à base de nickel et des composants ainsi fabriqués, qui ont en particulier des propriétés mécaniques améliorées par rapport aux solutions classiques. On peut produire ces composants sous la forme la plus différenciée. Dans la production, un noyau de substrat en nickel ou en alliage à base de nickel (au moins 20 % de nickel, en poids) reçoit un revêtement de surface avec un agent de liaison et une poudre métallique (au moins 20 % de nickel) ainsi que d'autres éléments de formation d'alliage. On conduit ensuite un traitement thermique par échelons, dans lequel l'agent de liaison est expulsé en premier, puis on conduit un frittage de la poudre métallique réalisant l'alliage pour le noyau considéré et/ou donnant un revêtement de surface solide en alliage à base de nickel.
Boehm Alexander
Naumann Dirk
Walther Gunnar
Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung
Inco Limited
Smart & Biggar
Vale International S.a.
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