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- The fatigue life of the bonded plates is 2.06 times relative to that of the cracked one. The critical crack length of plate increases from 17.86mm to 28.64mm before and after adhesively bonded repair with composite patch. 裂纹板的临界裂纹长度从17.;86 mm增加到28
- RELIABILITY ANALYSIS OF LBB STABILITY AND CALCULATION OF CRITICAL CRACK LENGTH LBB稳定性研究的可靠性分析及临界裂纹长度计算
- Keywords Structure containing defects;Failure assessment;R6 method;SC figure;Critical crack length;Failure mode; 含缺陷结构;失效评定;R6方法;SC图;临界裂纹尺寸;失效模式;
- critical crack length 临界裂纹长度
- Critical Crack Size and Crack Arrest. 临界裂纹尺寸、及裂纹阻止。
- That is, the load is dropped off in the proportion to the crack length. 这就是说，载荷随裂纹长度的增加而按比例地下降。
- The natural frequency of specimen decreases as the crack length increases. 随着裂纹长度的增加，试样的固有频率逐渐减小。
- The smaller the curvature and the larger the crack length the smaller will be the fracture stress. 曲线半径越小，裂纹长度越大，断裂应力也就越低。
- The temperature field,stress,critical crack size as well as the interior quality of the rolls are presented. 介绍了该类轧辊的温度、应力状态、临界裂纹尺寸及内部质量情况。
- Fracture energy and crack length, as two imperative parameters of aggregates, can't be measured by usual methods. 摘要断裂能和断裂区长度作为骨料的重要参数无法通过常规方法进行检测。
- A cricket critic cracked his neck at a critical cricket match. 板球评论家在一场关键的板球比赛中折断了他的脖子。
- The effects of impact energy on the front surface dent depth,back surface resin crack length,damage area and residual compressive strength were studied. 讨论了表面凹坑深度、背面基体裂纹长度、损伤面积以及剩余压缩强度与冲击能量的关系。
- In this paper,a calculation for critical crack on side bar is also made, in addition to deduction on bar's running life after the appearance of initial crac... 同时计算出侧杆的临界裂纹及初始裂纹存在时的侧杆运行寿命,并提出在以后的检修中避免发生侧杆断裂的对策。
- Through the calculation of amendatory stress intensity factors of the crack-tip under the condition of small scale yielding,the disadvantage of the method of equivalent crack length is found. 简要介绍了断裂力学的发展,通过在小范围屈服条件下裂纹尖端修正的应力强度因子的计算,发现用等效裂纹长度方法的不足。
- The poly-fit equation takes into account the effects of the eccentricity ratio, yield ratio of material and the nominal crack length and gives satisfactory accuracy comparing to the experiment results. 该回归公式包含了多个参数对板的极限拉伸强度的影响，与实验结果吻合较好。
- Two series of fatigue crack growth rate (FCGR) tests using three point bend specimen with different integral knife edge designs are performed. Effect of elastic modulus on the measurement of fatigue crack length using compliance technique is analyzed. 用不同整体刀口设计的三点弯曲SE(B)试样做了两组疲劳裂纹扩展速率 (FCGR)试验 ,分析了弹性模量在柔度法测量疲劳裂纹长度中的影响。
- The crack growth rate without the influence of crack surface contact was determined by extrapolating the relationship between the crack growth rate and the crack extension to the zero crack length. 通过外插裂纹扩展速率与裂纹长度之间的关系, 可近似得到裂纹长度为零时无裂纹面滑移接触影响的裂纹扩展速率。
- It indicates that the key to increase service life of component lies in shortening final crack length ofmicro-short-crack expansion and increasing physics-short-crack threshold demension. 建立了疲劳寿命估算模式,阐述了疲劳寿命的影响因素,指出提高构件使用寿命的关键在于缩短微观短裂纹扩展的终止裂纹长度,增大物理短裂纹扩展的门槛裂纹尺寸。
- Critical concrete crack length determination using strain gauges 电测法确定混凝土裂缝的临界长度
- For small cracks the tearing energy was dependent on the crack length,while the tearing energy was constant for long carack. 在小裂纹情况下,撕裂能强烈依赖于裂纹尺寸;
