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- fatigue initiation life 疲劳寿命
- The pre-straining prolonged the fatigue crack initiation life, and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation. 预应变可以延长疲劳裂纹形成寿命，提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值；
- The U-notch specimens were used to investigate the fatigue crack initiation life of X60 pipeline steel after pre-tension straining with ductile deformation of 5%, 10% and 15%. 摘要采用U型缺口试样研究了X60管线钢经5%25、10%25和15%25的预拉伸应变后的疲劳裂纹形成寿命。
- The pre-straining prolonged the fatigue crack initiation life,and increased resistance coefficient and equivalent stress threshold of the fatigue crack initiation. 预应变可以延长疲劳裂纹形成寿命,提高疲劳裂纹形成的抗力系数和裂纹形成的当量应力门槛值;
- The evaluation of crack initiation life is directly affected bythe reliability of nondestructive testing. 检测方法的可靠性直接影响结构疲劳裂纹形成寿命估计值。
- INITIATION LIFE OF WELD UNDERCUTS FATIGUE CRACK IN PRESSURE VESSEL 压力容器焊缝咬边疲劳裂纹的启裂寿命
- The improved local stress-st rain method is introduced.Themechanical model and calculating method are estab lished to evaluate the crack initiation life of membranes. 引入改进的局部应力-应变法，建立计算膜片联轴器膜片疲劳裂纹形成寿命的模型和方法。
- Analysis of Fatigue Crack Initiation Life of Submarine Structure 潜艇结构疲劳裂纹形成寿命的分析
- THE ESTIMATE METHOD OF FATIGUE CRACK INITIATION LIFE IN WELDED METAL 焊接金属疲劳裂纹萌生寿命估算方法的研究
- Study on estimate method of fatigue crack initiation life in welded metal 金属焊接接头疲劳裂纹萌生寿命估算方法的研究
- Initial lives 60, 20 eat for the Crusaders can clearance. 初始生命60,吃满20个金十字即可通关。
- He dedicated his life to science. 他毕生致力于科学事业。
- It is a fact of life and you must face it. 这是严酷的现实，你必须面对它。
- It's only human nature to want a comfortable life. 想过舒适的生活不过是普通人的本性。
- He was beaten out with fatigue when he got home. 他回到家里时已是疲惫不堪。
- On Calculation Methods for Predicting Contact Fatigue Crack Initiation Life of Aero-Gear Tooth 航空齿轮接触疲劳裂纹萌生寿命预测方法的研究
- She fell out from extreme fatigue. 她由于极度疲劳而掉队了。
- A very funny joke may relieve you of a whole day's fatigue. 一则非常滑稽的笑话可以使你消除一天的疲劳。
- She is in the primrose of her life. 她正处在她一生的最盛期。
- The aeroplane wing showed signs of metal fatigue. 机翼显出有金属疲劳的现象。
