基于泡沫塑料的拉伸应力-应变曲线，用数值方法拟合了泡沫塑料的拉伸本构关系。
Finally, the tensile constitutive relation is fitted by the numerical method according to the tensile stress strain curves of PUR foamed plastics, which agrees well with the experimental curves.
在此基础上，对复合材料的拉伸应力-应变曲线进行了考虑热残余应力的有限元预测。
Based on the analyzed results, the tensile stress-strain curves of the composites were predicted with or without the residual stresses considered.
结果证明：对于J55钢，在这一温度范围内的动态拉伸应力-应变曲线，是典型的流变金属的形变-回复曲线。
From the results of the experiments, a conclusion can be acquired. In terms of J55, its dynamic tensile strain-stress curve is a typical deformation - recovery curve of the rheological metal.
直接拉伸试验是获得材料单轴拉伸应力-应变曲线的唯一可行方法，初始偏心是影响单轴拉伸试验结果的关键问题。
Direct tension test is the only feasible way to obtain the uniaxial tensile stress-strain curves, and the initial eccentricity is the key issue affecting the uniaxial tensile test results.
在常响应界面情况下，复合材料横向拉伸应力-应变曲线存在明显的转折点，对应于界面分离的起始点，转折点的位置取决于界面粘结强度。
The stress-strain curve under transverse loading of MMCs has a corner point, associated with the initiation of interfacial de-bonding, which is determined by the interfacial bonding strength.
通过对误差的分析，说明由一般的拉伸曲线求解该新型应力应变关系的可行性及可靠性。
Through analyzing error, it was shown the feasibility and the reliability of solving the new relationship of stress and strain by ordinary tensile curve.
混凝土拉伸应力—应变全曲线能较全面地反映混凝土的拉伸性能。
The stress-strain entire curve in direct tension can comprehensively reflect the tensile performance of concrete.
本文通过拉伸实验研究了国产聚碳酸酯板的力学行为，得到了这种材料在不同应变速率下的真实应力—应变曲线。
The mechanical behaviour of polycarbonate (PC) is studied in this paper by tensile experiments. A set of true stress—strain curves for different strain rates is obtained.
实验数据表明：大编织角复合材料在单向拉伸作用下的破坏形式较为复杂，其应力-应变曲线呈现非线性特性。
The experiment results show that composites with large braiding Angle have complex crack forms under uniaxial tensile loading and the tensile stress-strain curves take on nonlinear characters.
通过直接拉伸试验研究了不同自应力等级下的钢纤维自应力混凝土的受拉应力-应变全曲线特征。
Based on the direct tension test, the characteristics of tension stress-strain full curves of steel fiber reinforced self-stressing concrete were investigated.
基于梯度塑性理论，考虑了应变局部化，提出单轴拉伸条件下岩样全程应力—应变曲线解析解。
Analytical solution of complete stress-strain curve of rock specimen in uniaxial tension is proposed based on gradient-dependent plasticity considering strain localization initiated at peak strength.
通过测试纱线的拉伸应力应变曲线，对三种花式线的强伸性能进行了分析。
This paper deals with the strength and elongation properties of three kinds of fancy yarns based on the stress-strain curve.
利用MTS高级材料实验机在应变控制条件下获得了镁合金AM50的单向拉伸应力应变曲线和常规的机械性能参数；
The strain-stress curve and the stress intensity factor are carried out using the machine MTS for Magnesium alloy AM50.
在小弹塑性变形范围内，首先将应力写成应变的奇次四项式的幂函数形式。使其相当精确地拟合材料的拉伸曲线。
This paper presents the odd function with four terms which can be used to make the curve fitting of the stress-strain for various materials precisely.
通过拉伸试验数据得到应力—应变曲线和模量—应变曲线可以更全面地反映纤维的力学性能。
The modulus-strain curve educed by the treatment of tensile test data is more suitable for examining the mechanical properties of yarns than the stress-strain curve itself.
由于在拉伸过程中复合芯只表现出弹性变化，而铝绞线要发生弹塑性变形，使导线的应力应变曲线上存在斜率的突然变化；
There is sudden change of slope in the stress-strain curve, because the core response in loading and unloading is entirely elastic, while the aluminum undergoes elastic-plastic deformation.
由于在拉伸过程中复合芯只表现出弹性变化，而铝绞线要发生弹塑性变形，使导线的应力应变曲线上存在斜率的突然变化；
There is sudden change of slope in the stress-strain curve, because the core response in loading and unloading is entirely elastic, while the aluminum undergoes elastic-plastic deformation.
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