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مکانیک::
پوشش آلومینیدی
The focus of the paper is on the study of thermo- mechanical fatigue behaviour of turbine rotor blades made from polycrystalline IN 713 LC with diffusion aluminide coatings under service conditions.
Keywords: superalloys, aluminide coatings, turbine blades, thermal and mechanical fatigue.
The factors limiting the lifetime of turbine blades are the quality of the aluminide coating and microstructure of the superalloy, depending on the service parameters- the temperature and the duration of service [1].
Stator and rotor blades were deposited by protective aluminide coating in CVD process.
Aluminide coating acts as diffusion barrier and protects base material of blades (substrate) from high temperature environment in aircraft engine.
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