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Microstructure & Fatigue Resistance of Carburized Steels

15 November 2023

“Steel gears fail in bending fatigue at nominal stresses
well below the bulk yield strength of the material due to the
presence of microstructural features that locally raise the
applied stress. Maximum gear performance is achieved when
the metallurgist understands how microstructures respond to
applied stress and how to control, or compensate for, these
microstructures through alloy and process design.”

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