Load Carrying Capacity of Nitrided Gears


Investigates the pitting and bending strength of gas nitrided steel gears made of modified 39CrMoV13.9 (a 3% CrMoV type alloy). Characteristics of the compound layer and the diffusion zone are examined. Residual stresses in the nitrided case are shown after long nitriding times. For bending strength, additional damage line investigations were performed. The load carrying capacity of the modified 39CrMoV13.9 steel is discussed and compared with other carburized, gas, and ion nitrided gears.
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