应变

The experimental results show that deformation twinning is dependent on both temperature and strain rate. The density of deformation twinning increases with increasing test strain rate. However, it decreases with increasing test temperature.

结果表明，孪晶变形与温度和应变率有着明显的相关性，其密度随着应变率的增加而增大，随着温度的升高而锐减。

The dissertation aims at the study on tensile strain behaviors of five different manganese content TWIP steels under various strain rates.

中文摘要本文研究了五种不同锰含量的孪晶诱发塑性钢在不同应变速率下的拉伸应变行为。

In the light of unbiasedness and validity of model, we identify the rigidity rotation model and rotation with strain model.

基于模型的无偏性、有效性等概念，对块体的刚性旋转运动模型、旋转应变模型进行了辨识，结果表明：同时考虑块体刚性旋转运动和应变的模型比单独考虑刚性旋转的模型更符合实际，模型的适用范围更广。

Therefore it has unexampled advantages and is promising in the bridge health monitoring when comparing with the traditional electrical gauge.

结果证明了我们的光纤应变仪重复性好，精度高，时漂小，不受外界温度，电磁场的影响，相对于传统的应变仪来说，在桥梁结构健康监测上具有不可比拟的优势。

A relation of equivalent uniaxial stress strain of concrete in plane strain is derived.

推导了平面应变状态下的等效单轴应力应变关系。

The ratio of stress to strain, or the stress per unit strain, is called an elastic modulus of the material

应力与应变之比，即每单位应变的应力，叫做该材料的弹性模量。

In mathematical simulation theory, stress-strain relation of powder-compactdeformation , equivalent strain velocity equation , and unitary matrix equation ,are deduced.Therefore, feasibility of Multi-Core-Line-Die Powder Extrusion Forming is validated by Research on Mathematical Simulation Theory and Powder Extrusion Forming Technology of Multi-Core-Line-Die, which is a better forming method of metallic carrier.

在数值模拟理论中，推导了粉末体变形的应力-应变关系等效应变速率方程和求解的整体矩阵方程因此，"多芯线粉末挤压成形工艺及其数值模拟理论研究"验证了多芯线粉末挤压成形在工艺上的可行性，是金属载体成形的较好方法。

For Si0.8Ge0.2 film in a window of 3μm×3μm,its strain is relaxed by only less than 4% after the sample is annealed at 950℃ for 30min,which is much less than the strain relaxation of the Si0.8Ge0.2 film grown on the unpatterned area on the same substrate under the same annealing condition.

在3μm×3μm窗口中共度生长的Si0.8Ge0.2/Si异质结构材料，在950℃高温退火30min后，它的应变弛豫不大于4%。远小于同一衬底上非微区生长材料的应变弛豫。

The result indicates that for Ti-1300 alloy, rheological phenomenon easily occurs under the condition of high rate of strain which leads its unstableness.

对热变形后的组织进行分析可知，在低应变速率下，主要发生动态再结晶；在高应变速率下，主要发生动态回复。

Examined the finite element in weak continuity, they possess identicalaverage stain.

本文证明了如果单元应变可以表示成线性形式，则它收敛于其常应变。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。