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Effects of Heating Time, Electric Power and Frequency on Bending Fatigue Strength of Induction Hardened Gears

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Abstract:

The measurement of hardened layer and the bending fatigue test of S35C and S45C steel gears induction-hardened under various heating conditions were carried out, and then profiles of hardened layer and S-N curves (bending fatigue strength) were obtained. Effects of the heating time, the electric power and the frequency on profiles and micro-structures of hardened layers of gears were examined. Relationship between the bending fatigue strength and the profile of hardened layer was determined. Optimum heating conditions for the bending fatigue strength of induction-hardened S35C and S45C steel gears were indicated.

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Periodical:

Solid State Phenomena (Volume 118)

Pages:

527-532

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.118.527

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Online since:

December 2006

Authors:

Kouitsu Miyachika, Kazuteru Oda, Hideaki Katanuma, Jun Iwanaga, Satoshi Oda

Keywords:

Bending Fatigue Strength, Electric Power, Frequency, Gear, Hardened Layers, Heating Time, Induction Hardening

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© 2006 Trans Tech Publications Ltd. All Rights Reserved

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