Performance Study of Nitrided Gears in High Speed Epicyclic Gearbox Used in Gas Turbogenerators - A Case Study


Nitrided gears are preferred in some designs due to their low heat treat distortion characteristics and resistance to scuffing under low oil-film thickness, an inherent phenomenon at sun gear mesh-planet mesh in epicyclics. This paper discusses and verifies these properties plus the tendency of these gears to fail under heavy shock loads.
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