Tao Jin, Wang Xiaoqun, Tan Jiazhen. Reliability of Gear-Tooth Bending Fatigu Strength for Through Hardened and Tempered Steel 40Cr[J]. Chinese Journal of Engineering, 1997, 19(5): 482-484. DOI: 10.13374/j.issn1001-053x.1997.05.014
Citation: Tao Jin, Wang Xiaoqun, Tan Jiazhen. Reliability of Gear-Tooth Bending Fatigu Strength for Through Hardened and Tempered Steel 40Cr[J]. Chinese Journal of Engineering, 1997, 19(5): 482-484. DOI: 10.13374/j.issn1001-053x.1997.05.014

Reliability of Gear-Tooth Bending Fatigu Strength for Through Hardened and Tempered Steel 40Cr

  • The experimental investigation on the reliability of gear-tooth fatigue strength of hardened and tempered steet 40Cr is dealt with. Four loading stress levels (6 samples each) are conducted. Based on the test data, a R-S-N curve and the related equation were fitted. Finally the limiting bending fatigue strength of the 40Cr gear-tooth under different reliabilities are evaluated.
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