The second shear strain gradient and the function reflecting the effect of strain rate are introduced into the yield function of classical elastoplastic theory.
在经典弹-塑性理论的屈服函数中引入应变梯度及考虑应变率效应的函数。
The authors suggest that this effect is due to the change in the strain rate of crack tip metal thus altering the thermodynamics of crack onset and growth.
作者认为载荷频率的上述影响是因裂纹尖端的应变速率随载荷频率而变化，从而改变了裂纹起始与扩展的热力学条件。
On the base of above appoints, the slow strain rate test was used to study the effect of prestraining on the SCC susceptibility of X70 pipeline steel in simulate soil media.
基于以上的观点，本文采用慢应变速率实验方法探讨了预形变对X70管线钢在模拟土壤介质中应力腐蚀敏感性的影响。
The effect of relative compaction, initial moisture content of specimens and strain rate was investigated.
探讨了试样的相对压实度、初始含水量、应变速率对稳定状态的影响。
Molecular dynamic simulations were used to investigate the effect of strain rate and size on the mechanical properties of nano-bi-crystal Cu under uniaxial tension.
利用分子动力学方法研究了双晶铜在单向拉伸载荷作用下弹性性能的应变率效应和尺寸效应。
The results indicate that the deformation mechanic under the action of temperature and strain rate is related to the viscosity effect in process of dislocation motions.
研究认为温度与应变率影响的变形机制与位错运动过程的粘性效应有关。
Cell-size has a significant effect not only on the crushing stress and plastic modulus of aluminum foam, but also on the strain-rate sensitivity of material of this kind.
泡孔尺寸不仅影响着材料的屈服强度和塑性模量等，还影响着材料的应变率敏感性。
And the effect of both strain rate and interracial properties on the hybrid effect of CALL was investigated.
在所有应变率下，CALL材料都存在明显的正混杂效应。
Analysis of the results indicates that by the constitutive equation the strain rate de-pendence and thermo-softening effect of TNT are described.
根据试验结果拟合了TNT材料随着加载速率和环境温度变化的本构关系，分析表明该本构关系可以很好地描述材料的应变率、温度效应。
In this paper the effect of strain rate on the spallation of rocks is studied.
就强度的应变率依赖性对同种岩石剥离破坏的影响进行了研究。
The effect of relative compaction, initial moisture content of specimens, strain rate, consolidation ratio and reconstitution of specimens and drainage condition are investigated.
对试样的相对压实度、初始含水量、应变速率、固结比、试样的重塑、排水条件因素等对稳定状态的影响进行了试验研究 。
In addition, based on the SEM results, the mechanism of the strain rate effect of the soft rock is primarily analyzed.
本文还根据不同应变率下试样破裂面的SEM实结果，初步分析了软岩动态学特性机理。
In addition, based on the SEM results, the mechanism of the strain rate effect of the soft rock is primarily analyzed.
本文还根据不同应变率下试样破裂面的SEM实结果，初步分析了软岩动态学特性机理。
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