| 1. | 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。 |
| 2. | 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。 |
| 3. | The effect of these nonlinearities can be avoided by determining compliance at the same maximum load for all crack lengths investigated .
这些非线性效应，可在测定所有裂纹长度的柔度方法时，采用最大载荷不变的方法予以消除。 |
| 4. | Effective crack length
有效裂隙长度 |
| 5. | A special testing fixture and the crack length measurment method for crack fracture and propagation in mixed mode
复合型裂纹断裂和扩展速率试验夹具及裂纹长度测量方法 |
| 6. | 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。 |
| 7. | Through studying the relation between crack lengths and loading point compliance , we get the quantificational formula
通过探索加载点位移曲线得到柔度与试样裂纹长度的关系，建立定量计算式。 |
| 8. | 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。 |
| 9. | The stress intensity factor ( sif ) and the strain energy release rate were simulated with different pre - crack length for the cases with no - flow underfill and with capillary - flow underfill
本文第六章用断裂力学方涪和有限元模拟分析了填充不流动胶芯片断裂问题，计算了芯片的应力强度因于k和能量释放率g 。 |
| 10. | One of the main failure patterns is caused by fatigue crack growth , so it is necessary to research material fatigue crack growth rate . so for , it is still a difficult problem to measure crack length at elevated temperature
裂纹疲劳扩展导致的破坏成为设备失效的主要型式之一。因此对材料在高温下疲劳裂纹扩展速率的研究成为工程界的迫切需要。 |
