The universal joints are the very important components in mechanical engineering, and as the effect of stress concentration, the fork of the joint axis and the flat head are often damaged.
万向连接轴是许多工程机械的传动连接部件，由于应力集中的影响，连接轴的叉头和扁头经常发生破坏现象。
Then the effect of Stress Concentration and the Stress Gradient were introduced into the prediction of fatigue life through Correction Coefficient of Stress with the wider suitable life scope.
通过应力修正系数对危险点最大应力进行修正，将应力集中和应力梯度效应引入到寿命的估算中，因而扩大了传统的应力寿命法可适用的寿命范围。
The hollow beam construction not only produce the stress concentration, reduce the effect of beam mass but also extended the bandwidth.
采用空心梁结构不仅能产生应力集中而且能减少梁的自身质量带来的影响，可以有效地展宽频带。
The results show the stress concentration caused by acute angle effect and the high temperature are the primary cause of producing crack.
结果表明，尖角效应引起的应力集中和热处理淬火加热温度偏高是导轨端面产生裂纹的主要原因。
Introducing magnetic memory effect and detection theory summarily, using the data measured by TSC-1M-4 to analysis the basic feature of the area of stress concentration.
简要介绍了磁记忆效应和检测原理，并用TSC - 1 M- 4测得的数据分析了应力集中区的基本特征。
Furthermore, the effect of the gearbox geometry sizes on the stress of support was investigated to reduce the stress concentration.
为减小应力集中，研究了机匣几何尺寸对支板应力的影响。
The results show that the coupling effect between the welding zone and other stress concentration zone can be observed, which decreases the fatigue life of the structure.
结果发现，焊接区与其它应力集中区会发生应力耦合效应，进而降低结构的疲劳寿命。
Stress concentration from explosion excavation of dam base surface and effect from explosion were the lithology conditions of intensive unloading and relaxation of dam base rock.
坝基面爆破开挖的应力集中和爆炸作用影响是坝基岩体卸荷松弛强烈的岩石力学环境条件。
The high stress concentration effect of notch can accelerate the process of fatigue crack nucleation in the notch specimen.
缺口试样在缺口的高应力集中效应下，加快疲劳裂纹形核过程。
The 3-D curve of stress concentration factor with the various location of opening hole was obtained. In addition, both the effect of various location of hole along the coordinate axis and …
此外，孔沿座标轴及沿原孔边缘位置变化对应力集中系数的影响被详细研究，从而为合理设计炉壳开孔提供了理论依据。
The results show that the crack of the department within the six-party of the move-on-hand is caused by stress concentration on the acute angle effect.
结果表明，搬手头内六方处的裂纹，是尖角效应引起应力集中而产生的应力集中裂纹；
Analytical results show that steel-line thickness has a significant effect on peak dynamic stress concentration of the pipe, The thinner steel liner, a higher level of dynamic stress concentration;
研究结果表明：管道内钢衬的厚度对管道的环向动应力集中峰值有很显著的影响，钢衬越薄，动应力集中程度越高；
Analytical results show that steel-line thickness has a significant effect on peak dynamic stress concentration of the pipe, The thinner steel liner, a higher level of dynamic stress concentration;
研究结果表明：管道内钢衬的厚度对管道的环向动应力集中峰值有很显著的影响，钢衬越薄，动应力集中程度越高；
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