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- Standard Test Method for Elevated Temperature Tensile Creep Strain, Creep Strain Rate, and Creep Time-to-Failure for Advanced Monolithic Ceramics 高级单片陶瓷的高温抗压蠕变应变,蠕变应变率及蠕变断裂时间的标准试验方法
- creep strain rate 蠕变速度
- The creep damage evolution curve from SPCT with three stages is similar tothat of creep strain, being consist of decelerating, constant rate and accelerating stages. 同时证明了作者所建立的有限元模型的正确性。 (3)试样损伤曲线变化规律与蠕变应变的变化规律相类似,损伤曲线具有减速、恒速和加速的三阶段。
- Strain rate and stress are nonlinearly related. 应变速率和应力呈非线性关系。
- Also creep strain limitation can be determined.These researches are a base on which the pred... 这些工作为进一步对土工格栅长期蠕变行为研究做好了准备。
- The creep strain of nonwoven geotextiles is measured by using the method of photic leverage. 本文采用光杠杆法对非织造土工布蠕变量进行测试。
- Moreover, the high temperature plasticity increasewith the strain rate. 此外该合金的高温塑性亦随应变速率的增大而增加。
- It is pointed out that bulging strain is consisted of not only instaneous elastic strain , but also creep strain which changes with time. 指出鼓肚变形不仅有瞬时弹性变形,而且还有随时间变化的蠕变变形。
- Maximum equivalent creep strain lies in the middle of length orientation of solder-pad surfaces, while minimum strain lies in the center of solder. 焊点的最大等效蠕变应变位于焊点与焊盘界面边缘沿长度方向上的中点处,最小蠕变应变位于焊点的中心处。
- The creep strain is then treated as the compulsive strain and the finite element method for creep analysis of the segmental construction concrete bridges is derived. 并视徐变应变为强迫应变,推导了节段施工桥梁徐变分析的有限元方法。
- Strain rate was significantly correlated with Ep, Es, stiffness and distensibility. SR与Ep、Es、僵硬度、膨胀性均有明显的相关性。
- The factors which may give influence on negative strain rate effect,are especially discussed incl... 随着应变率的进一步提高,两者又都存在一定程度的应变率弱化倾向。
- In creep testing at low stress levels, strain of the dashpot has close relationship with creep strain because the spring constant does not decrease significantly at low stress levels. 在低应力水平下的蠕变试验中,由于弹性系数没有明显的下降,因而设定阻尼器的应变与蠕变应变相同。
- Based on thesereasons, both overshoot and undershoot do not appear in the case of high strain rate. 基于这些原因,都超下冲不显示的情况下高应变率。
- However, higher strain rate tests were performed using a Split Hopkinson Pressure Bar (SHPB). 而在高应变率下,实验则将利用分离式霍普金森杆 (SHPB)来测试。
- Results: Although strain and strain rate declined from basal segment to apex, there was no statistical difference. 结果:基底段到心尖段应变与应变率呈下降趋势,但统计学差异无显著性。
- On the other hand, in the case of high strain rate, both overshoot and undershoot do not appear. 另一方面,在高应变率,都超下冲不会出现。
- A piezoelectric SSA is implemented based on a strain rate bridge circuit and exhibits excellent performance in suppressing the vibration of a cantilever. 基于应变速度电桥电路制成了压电陶瓷自感知执行器,实验表明能有效抑制悬臂梁的振动。
- The mean peak velocity(EVe, EVa) and ratio(EVe/EVa), the mean peak strain rate(Ee, Ea) and ratio(Ee/Ea) were calculated. 计算前后瓣环的平均峰值速度(EVe、EVa)及比率(EVeEVa); 平均峰值应变率(Ee、Ea)及比率(EeEa)。
- The proposed model can describe the influence of general stress state, different overconsolidated degrees and various stress or strain rate as a whole. 所提出的模型能够综合反映出由于三维应力状态、不同超固结度和不同应力速率或应变速率对于应力应变关系的影响。