On the basis of test count, the complete C-R-S-Ncurve is worked out according to the principle of statistics. so as to provide basic data for gear design.
在试验数据的基础上，根据统计学原理，拟合出完整的C - R - S - N曲线，并获得各种可靠度下的弯曲疲劳曲线，从而为国产材料齿轮设计提供了必要的基础数据。
2
The effect of sulfuric acid, chromate acid and boric/sulfuric acid anodizing on fatigue performance of aeronautic aluminum alloys was studied by using S-Ncurve.
采用S-N曲线研究硫酸阳极化、铬酸阳极化和硼酸硫酸阳极化对航空铝合金疲劳极限的影响。
3
On the basis of testing process at the fatigue strength, and combining -3s-s-ncurve, we clearly explain reliability meaning about fatigue strength in infinite life.