对6063铝合金试样在不同应力三轴度和不同应变率下进行拉伸试验，得到了该合金在这两种情况下的力学性能。
The specimens of 6063 aluminum alloy are tensioned under different stress triaxiality and different strain rates, the mechanical properties of 6063 aluminum alloy can be drawn.
本文重点针对传统的SHPB实验技术试样中早期应力不平衡和实验中难以达到常应变率加载这两大问题，建立了入射波整形技术。
Because it is hard to obtain dynamic stress equilibrium and constant strain rate in soft materials specimen during the conventional SHPB experiments, a pulse shaping technique is developed.
本文首先讨论煤矸石的应力-应变、抗剪强度二者与试样尺寸的关系；
This paper firstly presents relationship between stress-strain, shear strength and size sample of gangue.
用光滑试样慢应变速率拉伸法研究了X60管线钢在含水土壤中的应力腐蚀。
Stress corrosion cracking of an X60 pipeline steel in soil containing water has been investigated using slow strain rate test.
采用夹头分离速率控制方式对有屈服现象和无屈服现象的试样进行拉伸试验，探讨了试验过程中试样应变速率和应力速率的变化情况。
The change of strain rate and stress rate of samples with and without yielding phenomenon was studied during the tensile test under the control of grip separate rate.
本文采用单试样逆光拍照法对延性材料拉伸试验缩颈后的真实应力-应变进行了有效的测量。
The backlight photography with single sample was used to measure the true stress-strain of the ductile material after necking in tensile test.
试样的轴向应力和应变均匀问题是霍普金森杆试验行之有效的必要条件，而这对肌肉类粘弹性超软材料尤为重要。
The validity of a SHPB test is based on the assumption of stress and strain uniformity within the specimen, especially when muscle-like viscoelastic exter-soft material is tested.
研究了试样总应力、循环孔隙水压力、有效应力随时间的变化规律及试样有效应力与轴向应变的关系曲线。
Curves of total stress and time, of cycle pore water pressure and time, of effective stress and time, of effective stress and axial strain are respectively studied.
塑性拘束较大的直缺口试样(i)的整体屈服载荷及缺口前的应力、应变和应变率比塑性拘束较小的V缺口试样(V)大。
The general yield load, stress and strain rate ahead of notches of I specimens with larger plastic constraint is larger than that of V specimens with small plastic constraint.
三种材料不同缺口根半径试样最小横截面上应力三维度和等效塑性应变分布形态相似。
The stress triaxiality and equivalent plastic strain distributions at the minimum cross-section of specimens with different notch root radius are similar for such three kinds of materials.
分析在硫化橡胶拉伸应力应变性能试验中试样的形状、宽度、厚度、试验温度以及拉伸速度对试验结果的影响。
This paper analyzed the influence of the sample's shape, breadth, thickness, temperature and extension speed on the result of the test when vulcanized rubber's extension performance was tested.
当扩容角较高时，应力峰值时试样内部的最大剪切应变增量较高，因而试样破坏的前兆比较明显。
Higher DA leads to higher value of maximum shear strain increment within the specimen. Therefore, more apparent precursor to failure can be observed at higher DA.
研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
对试验结果进行分析可得：动应力幅值对试样的轴向动应变影响显著；
The results show that the dynamic stress level has strong effect on dynamic axial strain.
试样进入塑性变形阶段后，随着应变量的增大，应力表现出一直上升的趋势；
The stress rises continuously with the strain increasing accordingly after a sample being entered the plastic deformation.
记录了各自的循环应力—应变滞后环，得出了试样的循环响应特征和各试样的高温低周疲劳寿命。
The individual cycle-strain hysteresis loops were recorded, and the cycling response and high temperature low cycle fatigue life were obtained.
应力—应变曲线表明，掺加废胶粉后试样压应力随着应变的变化幅度减小，材料的弹性模量降低。
Stress-strain curves show that the ranges of compressive stress and the elastic modulus of mortar decrease with the increasing strain after mixing waste rubber powder.
此外，通过以下方式获得的应力-应变曲线的加载速率依赖性也只是一个小的试样的加载速率交替地切换测试期间。
Furthermore, the loading rate dependency of a stress-strain curve was also obtained by just one small specimen with the loading rate alternately switching during a test.
试样内部各部位的应力大小分布不均匀，随应变速率的增大，最小应力值由自由变形的鼓形区域逐步向心部移动；
The effective stress of specimen is inhomogeneous. As the strain rate increases, the minimum stress value moves from the drum-shaped region to the heart of specimen.
研究有关的本构参数(弹性模量及软化模量)及试样高度对全程应力—应变曲线的影响。
Finally, influences of constitutive parameters, such as elastic and softening moduli, and specimen length on complete stress-strain curve are investigated.
并结合有限元计算所得的不同预应变条件下的缺口前端的应力应变场分布，主要分析了预应变对不同组织低合金高强钢缺口试样断裂行为的影响。
The fracture behavior at crack tip within CMn steel is analyzed based on the experiments of 3 PB precracked specimens and FEM calculation and simulation.
并结合有限元计算所得的不同预应变条件下的缺口前端的应力应变场分布，主要分析了预应变对不同组织低合金高强钢缺口试样断裂行为的影响。
The fracture behavior at crack tip within CMn steel is analyzed based on the experiments of 3 PB precracked specimens and FEM calculation and simulation.
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