strain curve

It is found that the dynamic stress-strain curve of blended polymer can be expressed very well with a nonlinear viscoelastic constitutive equation ( ZWT eqn) at high strain rate.

实验表明，PP/PA共混高聚物材料的动态应力-应变曲线能用一个简单实用的非线性粘弹性本构方程（ZWT方程）较好地表达；

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Results After expansion, maximal stress strength fell off, and stress strain curve moved backward.

结果皮肤扩张后，极限应力强度下降；

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AFRP reinforcement have two characteristics of short-term mechanical behavior compared to steel bars: ( 1) Tensile stress-strain curve is close to a straight line and have no yielded point;

与传统的预应力钢筋相比，AFRP筋材的短期力学特性主要有：（1）应力-应变关系近于直线，没有屈服点；

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It worked out the tensile stress-strain curve, the load-displacement diagram, the maximal stress distribution figures and the crack history figure during the deformation and failure process of the concrete specimen.

数值模拟结果给出了混凝土拉伸应力-应变曲线和三点弯曲载荷-位移曲线，以及混凝土试件破坏过程最大应力分布图和裂纹扩展图。

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The Behavior of Pumice Concrete under Compression and Its Stress& strain Curve

浮石混凝土受压破坏过程及其应力&应变曲线

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Result shows that tensile stress-strain curve is not linear, most of them consist of 3 zigzags corresponding to different modulus.

结果表明，拉伸应力应变曲线是非线性的，大部分拉伸曲线基本由三段折线组成，对应着三段模量。

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Lethal rate of different DES dosages and the effects on production capacity were observed and obtained a lethal curve of the strain and optimum conditions of the mutation, they are mutation dosage at 0.8% and mutation time for 15 minutes.

得出了以DES诱变该菌株的致死率曲线及最佳的诱变条件：诱变剂用量0.8%，诱变时间15min。

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The curve faired by this method tends to possesses smaller strain energy and rather uniform changes in curvatures.

利用这种方法得到的曲线不仅具有较小的应变能，而且曲率变化比较均匀，具有很好的光顺效果。

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The measurements indicate that the weak-link of the PET fibres is the defeats on surface layer and their propagation and that the mechanical properties of fibre weak-links are low stress, low strain and low work of rupture according to the analysis of the typical tensile curve.

结果表明，涤纶纤维的弱节主要是表层缺陷及其扩展所引起的，其力学性能为低应力、低应变、低断裂功特征。

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Based on the experimental research of the axial tensile stress-strain curve for third grade concrete, a loading device that may be applied in the research of concrete for all grades and the loading method are proposed.

通过对三级配混凝土轴向拉伸应力～变形全曲线的试验研究，提出了可以推广应用于全级配混凝土相应试验研究的加载装置和加荷方式。

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Using the LGG experimental device obtained the free surface velocity-time curve and the spall strength under high strain rates.

利用极高应变率下的LGG实验装置，获得了材料的自由面速度时程曲线以及层裂强度。

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The stress-strain curve of frozen soil under uni-axial dynamic loading behaved with strain softening, showing brittle behavior.

单轴动态加载下，冻土应力应变曲线表现为应变软化，显示出脆性材料特征。

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