Fatigue Strength of Ion-Nitrogen Case-Hardening 25Cr2MoV Steel Gears
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摘要: 本文對25Cr2MoV離子滲氮齒輪所進行的齒面接觸疲勞和輪齒彎曲疲勞試驗研究,得出了這種齒輪疲勞壽命分布規律和疲勞強度分布規律的結論,并求得這種齒輪的R-S-N線簇方程以及各種可靠度下的齒輪接觸疲勞極限應力值和輪齒彎曲疲勞極限應力值.Abstract: Both tooth flank contact fatigue and tooth bending fatigue with ion-nitrogen case-hardening 25Cr2MoV steel gears were investigated. The conclusions of distributing rules both their fatigue lives and fatigue strength were obtained were investigated.The R-S-N curve equations,both limiting stress of tooth flank contact fatigue and limiting stress value of tooth bending fatigue under various reliabilities were also evaluated.
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Key words:
- ion-nitrogen case-hardening gear /
- contact fatigue /
- bending fatigue
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