This work aims to gain a deeper understanding of the mechanisms impacting distortion by working out the relationships between flow inhomogeneities in an industrial quench tank and the distortion of gear shafts. For this purpose, oil flow-modifying measures are used to induce specific shape changes on case-hardened gear shafts from commercial vehicles. The shape changes are quantified by runout and coordinate measurements.

distortion, elongation, flow velocity, gear shafts, heat transfer coefficient, impeller anemometry, microstructure transformation, oil quenching, temperature
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2025
ASM International
Topics
Oil quenching Flow Elongation Temperature Heat transfer coefficient Shafts Phase transformations
Issue Section:
Residual Stress in Heat Treatment