In this paper, the relationship between the fatigue crack front straightness S t and fatigue loading ratio f were explored.
通过实验 ,研究了疲劳裂纹前沿平直度 St与疲劳载荷比 f 之间的关系 ,发现两者高度正相关 ,为预制具有平直裂纹前沿的疲劳裂纹提供了有效的途径和方
Resistance to cyclic fatigue of pulpless teeth with flared root canals restored with three kinds of post-and-cores
3种桩核材料修复薄弱残根的抗疲劳强度比较
Results show that in the middle life range the fatigue strength of interference-fit riveting increases by about 25% compared with that of conventional riveting.
研究结果表明：在中寿命区，干涉配合铆接的疲劳强度比普通铆接的疲劳强度提高约25%。
median fatigue strength at N cycles
Ｎ次循环中值疲劳强度
repeated bending stress strength
反复弯曲疲劳强度极限
Research on Fatigue Strength and Fatigue Cushioning Performance of Package Pad;
包装衬垫疲劳强度与疲劳缓冲性能的研究
Study on Synthetical Strengthening Technology Test for Roller Chain
滚子链疲劳强度的综合强化试验研究
endurance strength
耐久限度, 持久力, 疲劳强度
tension-tension fatigue strength
正交二向拉伸应力作用下的疲劳强度
Standard of test method for surface load capacity of gears
GB/T14229-1993齿轮接触疲劳强度试验方法
Standard of test method for bending load capacity of gears
GB/T14230-1993齿轮弯曲疲劳强度试验方法
A layer of hot-dipped galvanizing causes a considerable reduction in the fatigue strength.
热浸镀锌层引起疲劳强度的显著降低。
And when shot peening treater, the fatigue strength of the chian will improve 12.3%.
经喷丸处理链条疲劳强度可提高12.3％。
Influence of Training with Secondary Load on Bending Fatigue Strength of Cranksh aft
次载锻炼对曲轴弯曲疲劳强度的影响
A Study on Distribution Function of Fatigue Strength for the Roller Chain Material
滚子链材料疲劳强度分布函数的研究
Experimental and Theoretical Research on Residual Strength of Concrete under Fatigue Loading;
混凝土疲劳剩余强度试验及理论研究
Study on Fatigue Strength of Continuous Casting Ladle Turret;
连铸钢包回转台疲劳强度的应用研究
The Study on Fatigue Strength of Laser-weld of Titanium and Titanium Alloy;
激光焊接钛及钛合金疲劳强度的研究
Fatigue Strength Analysis for 308,000 DWT VLCC;
30.8万吨VLCC的结构疲劳强度分析