Molecular dynamics is used to investigate the mechanical behaviour of crystal material at high strain rates in this paper.
本文用分子动力学方法研究了高应变率下晶体材料的力学行为。
The design of strain gages in regions of high strain gradient is discussed.
本文讨论了大梯度应变区电阻应变片的设计问题。
The compress tests on 3D woven glass-fiber composite have been carried out at high strain rates.
首次对三维机织玻璃纤维复合材料进行了在高应变率下的面外压缩试验。
The fatigue crack closure and fatigue crack growth rate in the high strain region of SCT specimen are studied.
本文研究了SCT试样高应变区的疲劳裂纹闭合效应和疲劳裂纹扩展速率。
The results showed that human cortical bone behaved as a non linear viscoelastic material even at high strain rate.
结果表明即使在高应变率下，人的密质骨也具有非线性粘弹性材料的特性。
The anti-seismic properties of building structural steels was treated as a problem of high strain low cycle fatigue.
将建筑结构钢抗震性能作高应变低周疲劳问题处理。
These errors are relative with the mathematical model about pile shaft concrete and soil resistance in high strain testing.
高应变试验模拟计算结果与静载结果的不同，与其测试分析中采用的桩身材料和土阻力的数学模型有关。
The absorbed energy property and deformation characteristic of magnesium alloy under high strain rate loading are described.
介绍了高应变率载荷条件下镁合金的吸能特性及变形特征；
Using SHPB technique and a BP neural network program, the constitutive model of polymers at high strain rates is identified.
利用SHPB技术和自编的BP神经网络程序，以尼龙为代表性研究对象，对高聚物在高应变率下的本构模型进行了辨识。
It shows common features of regional vertical deformation anomaly area and high strain distribution area of horizontal deformation.
区域性垂直形变异常区与水平形变的高应变分布区共生的特征。
To objectively describe the behavior of confined concrete under high strain rates the loading history has to be taken into account.
客观描述高应变率作用下的约束混凝土的力学行为需要考虑加载历史。
This improved SHPB method was applied to determine the compressive dynamic mechanical response of aluminum foams at high strain rate.
利用此改进了的SHPB技术对泡沫铝进行了高应变率下的动态压缩实验。
Split Hopkinson Pressure Bar (SHPB) has been used to study the constitutive and mechanical properties of rocks under high strain rates.
高应变率下岩石的动态本构关系和力学特性，目前主要是利用SHPB装置等来获得。
The high strain low cycle fatigue properties of V ti micro alloyed high anti seismic structural steel were studied with simulated earthquake loading.
对微钒钛高抗震性能建筑结构钢进行了模拟地震载荷高应变低周疲劳试验。
The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper.
综述了高应变速率超塑材料及其变形机理和工业应用的最新进展。
The high strain dynamic load tests, vertical static load tests and horizontal load tests for part of PHC trial piles of East China Sea Bridge are described.
介绍东海大桥部分PHC试桩的高应变动测、竖向静载和水平荷载试验情况。
Because of the difficulty of concrete high strain rate experimental techniques, there are many disputes about how to describe the dynamic mechanics properties of concrete.
由于混凝土高应变率实验技术的困难，目前对于混凝土动态力学行为的描述存在较大的争议。
The current status of research on high strain rate superplasticity of magnesium alloys is then examined, and several problems to be solved and future directions are suggested.
综述了镁合金超塑性的研究进展，总结了镁合金超塑性变形的微观机理，评述了镁合金高应变速率超塑性的研究状况，提出了几个需要解决的问题和研究方向。
In this paper, the experiments with high strain were conducted to analyze the relaxation behavior for the fiber glass winding pipe. The nonlinear relaxation formula was given.
本文对玻璃纤维缠绕管在高应变控制下的应力松弛特性进行了实验分析，给出了其非线性松弛的理论公式。
Polynitrocubanes are one of the most important derivatives of cubane and belong to the new type of high energetic density materials (HEDM) with high strain and cage structure.
多硝基立方烷是非常重要的立方烷衍生物，其具有高张力笼状结构、属于当前热切追求的高能量密度材料（HEDM）。
The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.
在高应变率下，断裂应变能密度主要由初始弹性模量和失稳应变共同决定，受温度效应和应变率效应的综合影响。
The accession of vanadium has shown a great effect on improvement of coordination between strength and ductility, sensitivity to strain aging and high strain and low cycle fatigue property.
微合金元素钒的加入有利于钢筋强度与塑性综合提高，降低钢筋应变时效敏感性，提高钢筋高应变低周疲劳性能。
Nevertheless, there are not enough time for the effective growth of the cracks because of slow dissolution rate and relative high strain rate. Therefore, the SCC susceptibilities are also low.
但是较慢的溶解速率以及相对高的应变速率使得裂纹没有足够时间发生有效扩展，应力腐蚀敏感性仍然较低。
Based on engineering detection test, the application of high strain dynamic method in steel pile dynamic test is expounded. And the actual application of high strain dynamic testing is discussed.
结合工程检测实践论述了高应变动力测试技术在钢管桩检测中的应用，并对高应变动力测试技术的实际应用进行了探讨。
The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite.
超塑性变形的主要机制是细小晶粒的晶界滑动，适当的微量液相有利于该复合材料的高应变速率超塑性。
They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.
合金在高应变速率的变形中通过动态再结晶可获得更细的晶粒尺寸，其断裂时总延伸率在135%左右。
High strain zones and technological methods, including mapping, modeling, experiments and materials.
高应变带的研究及技术方法：包括制图、模型、实验方法和材料等。
High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.
在扩展裂纹尖端，无论是准静态扩展还是动态扩展，由于应变奇异性的存在，出现较高的应变速率。
The adiabatic shearing phenomena were often found in metallic materials under high-strain, high-strain-rate deformation.
绝热剪切是金属材料在高应变速率变形条件下常见的一种现象。
Under the impact of a large hammer, a high signal noise ratio of the force and velocity can be acquired in the high-strain dynamic testing.
高应变动力试桩法采用数吨重锤锤击，同时实测了桩顶的力信号和速度信号，具有很高的信噪比。
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