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CONNECTION OF A CERAMIC ROTATION COMPONENT TO A METAL ROTATION COMPONENT FOR FLOW MACHINES, IN PARTICULAR GAS TURBINE ENGINES
CONNECTION OF A CERAMIC ROTATION COMPONENT TO A METAL ROTATION COMPONENT FOR FLOW MACHINES, IN PARTICULAR GAS TURBINE ENGINES
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机译：燃气涡轮发动机中流动机械的陶瓷旋转部件与金属旋转部件的连接
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摘要
The connection of a ceramic rotary component to a metallic rotary component for a turbomachine such as a gas turbine engine wherein the ceramic rotary component comprises a sintered rotor disk of reaction bonded silicon nitride (RBSN) or silicon carbide sintered under no pressure and the metallic rotary component is formed by the hot isostatic pressing of a metallic powder. The metallic rotary component becomes bonded to the sintered rotor disk to form a secure connection therewith. The metallic powder has a coefficient of thermal expansion substantially equal to that of the ceramic rotary component.
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