A new evolution equation of growth of spherical voids in viscoplastic medium un-der dynamic tensile loading is presented in this paper.
提出了一个新的粘塑性介质中球形孔洞在高加载率作用下的演化方程。
Though calculated ordinary tensile loading linear elastic constitutive relation's subprogram, feasibility of material subprogram's development is obtained;
本文首先编制了各向同性线弹性材料本构模型子程序，计算单轴拉伸作用，得到材料子程序开发的可行性；
In order to study aging of PBX under low tensile stress, a new device was designed which can conveniently be used to carry out long-term constant tensile loading.
为了研究PBX在超长时低应力拉伸下的老化问题，设计了一种能进行超长时恒定拉伸应力加载的新实验装置，并验证了装置的可靠性。
The evolution of deformation dislocation structure during the tensile loading was examined by transmission electron microscopy in the tempered martensite of low and middle carbon alloy steels.
应用透射电子显微术研究低碳及中碳合金钢回火马氏体的形变位错结构随拉伸加载过程的演变。
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.
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。
Therefore, the cooperative loading analysis of the Tensile Membrane Structure is necessary, and it can relatively truly response the mechanical performance of structure.
因此，张拉整体膜结构的协同荷载分析是必要的，较能真实地反映结构的承载性能。
Mechanical properties and fracture mechanism of high strength steel sheet with low yield ratio under impact loading have been studied through instrumented impact and quasi-static tensile tests.
通过室温下的仪器化冲击试验和静态拉伸试验，研究一种低屈服比高强度钢板在冲击载荷下的力学性能和断裂机理。
As a result, the stress-relaxation of yarn is obviously observed, and the cyclic loading has much more influence on the tensile property of yarn.
试验结果表明，玻璃纤维长丝纱有较明显的应力松驰现象，反复循环负荷作用对玻璃纤维长丝纱的强伸性能有较大的影响。
The effect of loading rate on concrete splitting tensile strength for different lateral stresses is studied.
系统地探讨了有侧应力作用时，混凝土在不同加载速率下的劈拉强度规律。
A microstructure tensor and loading direction are incorporated in the distribution functions of anisotropy parameter, uniaxial compressive strength and uniaxial tensile strength.
各向异性参数、单轴抗压强度和单轴抗拉强度是分布函数，其分布可以用微结构张量和加载方向表示。
The effect of dynamic shear and tensile strength of tungsten heavy alloys on the fracture mode of fragmentation under explosive loading was investigated.
研究钨合金动态抗拉和抗剪强度对爆炸加载下破片宏观断裂模式的影响。
Different tensile rates were adopted during the experiment, and the influence of loading rate on the mechanical properties of the composite material was analyzed thoroughly.
采用不同的拉伸速率对复合材料加载，分析了加载速率对复合材料性能的影响。
Tensile properties and microstructure of the first loading region, last region and transition region of TA15alloy parts with different local loading were studied by experiment.
研究了不同加载方式下TA15钛合金方坯先加载区、过渡区和后加载区的组织和力学性能。
The result shows: the local residual tensile stress and cyclic compressive loading thrust fatigue crack initiation and propagation in the size of compressive plastic zone.
结果表明，疲劳裂纹是在残余拉应力和循环压应力作用下萌生和扩展的，压塑性变形是裂纹萌生和扩展的必要条件。
The influence of the loading level of nylon and PET short fibres was studied on the physical properties of Nylon-NR and PET-CR Composites, such as 20% modulus, tensile strength and tear resistance.
详细研究了尼龙和聚酯短纤维用量对尼龙-天然橡胶和聚酯-氯丁橡胶复合材料的20％定伸应力、拉伸强度及撕裂性能的影响。
Different tensile rates were adopted during the experiment, and the Influence of loading rate on the mechanical properties of the composite materiel was analyzed thoroughly.
采用不同的拉伸速率对复合材料载入，分析了载入速率对复合材料性能的影响。
Theoretical study shows that the crack extension under shear loading is caused by tensile stress, and it does not belong to shear fracture.
理论分析证明，在剪切载荷作用下裂纹扩展是由于拉伸应力引起的，并非剪切破坏。
Different loading rate gives different uniaxial tensile strength.
加荷速率不同，单轴抗拉强度值也不同。
The experimentation indicates that it is effective to measure the direct tensile strength and other character of concrete by change the size of the test piece and the way of loading.
通过改变试件尺寸及加载方式，还可进一步探讨采用本试验方法测量混凝土的直接抗拉强度，研究混凝土的其它性能。
The tensile test of Q235 steel under static loading condition was done, and the stress of every level selected was tested by EMS2003 metal magnetic memory testing system.
选取Q 235钢进行静载拉伸试验，利用EMS2003型磁记忆检测系统进行各级应力水平的检测。
The experimental investigation of the effect of loading rate on the tensile properties of PC/ABS and the analysis of the test results has been given in the paper.
从简单的拉伸试验着手，研究了应变加载速率对PC/ABS 高分子材料拉伸性能的影响，并对试验结果进行了详细分析。
The dynamic finite element program formulated in the paper can simulate the flexural-tensile property of the third-point flexural-tensile beams under static loading and impact loading.
用本文编制的动力有限元程序可以较好的模拟三弯点梁在静态和动态冲击荷载作用下的弯拉特性。
The research shows that the repeated loading on the bag makes the molecular chain cut off and the tensile strength reduced.
研究表明，由于胶囊反复受载，使部分分子链切断，结果使拉伸强度降低。
The maximal compressive stress distributed at the posterior-lateral condylar cartilage and the maximal tensile stress distributed at the anterior- lateral condylar cartilage of the TMJ loading.
加力侧TMJ内最大压应力部位在踝突软骨的外后区，最大拉应力部位在踝突软骨的外前区；
When the local loading is applied only, the tensile properties and microstructure are better in comparison with those with local loading first and than with whole loading at last.
只采用局部加载时，各区的组织性能优于先局部后整体加载时各区的组织性能。
The yield and tensile strength of the welded joints of the two kinds of materials increase under dynamic loading and prestrain condition that have little effect on the plasticity of structural steel.
两种材料焊接接头在动载和预应变下的屈服强度和抗拉强度均有所提高，但对其塑性影响均不大。
The uneven distribution of loading, the clamping damage and the stress concentration were thought to be the three key factors influencing the fatigue test of steel strand with pulsating tensile load.
受力不均、夹持损伤和应力集中是影响钢绞线脉动拉伸疲劳试验的三个关键问题。
As a result, the stress-relaxation of yarn is obviously observed, and the cyclic loading has much more influence on the tensile property...
试验结果表明，玻璃纤维长丝纱有较明显的应力松驰现象，反复循环负荷作用对玻璃纤维长丝纱的强伸性能有较大的影响。
As a result, the stress-relaxation of yarn is obviously observed, and the cyclic loading has much more influence on the tensile property...
试验结果表明，玻璃纤维长丝纱有较明显的应力松驰现象，反复循环负荷作用对玻璃纤维长丝纱的强伸性能有较大的影响。
应用推荐