| 1. | Approximate calculation of crack propagation rate of metal corrosion fatigue
金属腐蚀疲劳裂纹扩展速率的近似计算 |
| 2. | New test method for linear flame propagation rate of lubricating oils and hydraulic fluids
润滑油和液压液的线性传播速率的测试新方法 |
| 3. | Standard test method for linear flame propagation rate of lubricating oils and hydraulic fluids
润滑油和液压液线性火焰传播速度的测试方法 |
| 4. | Testing method for crack initiation and propagation rate in steam turbine metals at elevates temperature
汽轮机.金属高温裂纹开裂和扩展速率试验方法 |
| 5. | The report of determination for interface delamination propagation rate of real flip chip packages is hardly found up to now
目前，测定实际倒装焊封装界面分层传播速率报道尚少见。 |
| 6. | The time serial of short fatigue cracks ' propagation rate is modeling and predicting by using neural network in this article , and the good result is achieved
文中利用神经网络对短裂纹扩展速率进行时序数据建模与预测，取得较好的效果。 |
| 7. | The initiation and growth of short fatigue cracks is a nonlinear kinetic process , and the short fatigue cracks ' propagation rate is characterized as chaos and self - organized
摘要短裂纹的萌生与扩展是一复杂的非线性动力学过程，短裂纹扩展速率具有非线性动力学系统的混沌现象和自组织特征。 |
| 8. | Then , the half - empirical paris equation , which can be used as a design base of flip chip package reliability , have been determined from the crack propagation rates da / dn measured and the energy release rates g simulated
然后由实验测得界面裂缝扩展速率和有限元模拟给出的能量释放率，拟合得到可作为倒装焊封装可靠性设计依据的paris半经验方程。 |
| 9. | Studies on the fatigue crack propagation rate ( fcpr ) indicate that load ratio ( r ) has a great effect on the fcpr : the greater load ratio is , the higher the fcpr becomes , and the lower kth shows . compared with load ratio , the thickness of the specimen has a lower effect on the fcpr
对镁合金的疲劳裂纹扩展特性的研究表明：载荷比r对镁合金az91 ， am50裂纹扩展行为具有很大的影响。 r值越大，裂纹扩展速率越高，疲劳门槛值k _ ( th )越小；试样厚度t对镁合金az91 、 am50稳态裂纹扩展速率的影响没有r值那么明显。 |
| 10. | In this paper , through the statistical analysis of the random factors in the stage of sub - critical propagation of cracks , the statistical correlation equations between the two material coefficients are obtained and can be generalized . furthermore , it can be concluded that cracks propagation rate is influenced greatly by material coefficients in the condition considered in this study
本文主要通过对亚临界裂纹扩展阶段各种随机因素的统计分析，找到了可以推广应用的，体现两材料系数之间具有强负相关性的统计相关式，并验证了在一定条件下，材料系数是影响裂纹扩展速率的主要因素。 |
