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Influence of shot peening on the surface durability of thermomechanically treated En 24 steel spur gears |
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| Authors: | DV Girish MM Mayuram S Krishnamurthy |
| Affiliation: | Machine Elements Laboratory, Department of Mechanical Engineering, Indian Institute of Technology, Madras 600 036, India |
| Abstract: | En steel, in untreated and thermal treated conditions, with and without shot peening, were tested in a back-to-back gear test rig. Their contact fatigue characteristics were studied and S–N curves have been established. Contact fatigue strength of shot peened gears for a given life showed an improvement in relation to unpeened gears. |
| Keywords: | thermo-mechanical treatment shot peening surface integrity contact fatigue residual stresses |
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