C - Chemistry – Metallurgy – 23 – C
Patent
C - Chemistry, Metallurgy
23
C
C23C 30/00 (2006.01) C23C 4/06 (2006.01)
Patent
CA 2547530
The invention relates to a running-in coating for gas turbines and a method for production of a running-in coating. The running-in coating serves to seal a radial gap between a housing (11) of the gas turbine and the rotating blades (10) themselves, whereby the running-in coating (13) is applied to the housing. According to the invention, the running-in coating is made from a CoNiCrAIY-hBN material. The CoNiCrAIY-hBN material is applied by means of thermal spraying, in particular thermal spraying.
L'invention concerne une garniture de rodage pour turbines à gaz et un procédé de production d'une garniture de rodage. Cette garniture de rodage sert à colmater un interstice radial entre un carter (11) de la turbine à gaz et des aubes mobiles rotatives (10) de ladite turbine, la garniture de rodage (13) étant appliquée sur le carter. Selon la présente invention, cette garniture de rodage (13) est composée d'un matériau CoNiCrAIY-hBN. Ce matériau CoNiCrAIY-hBN est appliqué par projection thermique, en particulier par projection plasma.
Daeubler Manfred A.
Schweitzer Klaus
Mtu Aero Engines Gmbh
Smart & Biggar
LandOfFree
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