Bending Strength of Spur Gear Teeth : 3rd Report, Fatigue Strength of Carburized Low Alloy Steel under Varying Loads

Bending fatigue test of spur gear teeth made of gas carburized low alloy steel (JIS SCM418) are carried out. The P-S-N curves are obtained and the effect of the residual stress at tooth fillet on fatigue life are examined. Under varying load Miner's rule and the full wave count method gives a g...

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Bibliographic Details
Published in:Bulletin of JSME 1982, Vol.25(209), pp.1805-1812
Main Authors: TOBE, Toshimi, MARUYAMA, Noboru
Format: Article
Language:English
Subjects:
Back-to-back gear test
Fatigue
Gas carburized steel
Gear
Residual stress
Weakest link model
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Summary:Bending fatigue test of spur gear teeth made of gas carburized low alloy steel (JIS SCM418) are carried out. The P-S-N curves are obtained and the effect of the residual stress at tooth fillet on fatigue life are examined. Under varying load Miner's rule and the full wave count method gives a good estimation of fatigue life. Back-to-back gear test are also carried out, and it is shown that the prediction of life by the weakest link model gives good agreement with the test results.
ISSN:0021-3764
1881-1426
DOI:10.1299/jsme1958.25.1805