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 model includes the effect of strain rate sensitivity, strain softening and strain hardening.
该模型包括了应变率敏感性效应，应变软化效应和应变硬化效应。
Results show that the displacement and the stress magnitude change greatly after considering the effect of strain rate.
结果表明考虑应变率的影响后，梁的位移、应力大小都发生了较大的变化。
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。
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 tension test at room temperature is used to study the size effect of thin copper sheet with different crystal size, different thickness and different strain rate.
对所制备的薄铜板进行了室温拉伸实验，研究薄铜板在不同晶粒大小、不同板厚和不同应变速率下的尺寸效应。
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。
During the isothermal constant strain rate compression process, the effect of deformation heating on flow stress increases with increasing equivalent strain rate.
在等温恒应变速率压缩过程中，随着等效应变速率的增大，变形热效应对流动应力的影响程度增大。
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 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。
The effect of forging rate on strain is not obvious.
锻造速率对坯料应变的影响不显著。
Experimental results show that the flow stresses of the aluminum foams increase with increasing strain rate, demonstrating a distinct strain rate effect in the open-cell aluminum foams.
实验结果表明，通孔泡沫铝有明显应变率效应，随应变率上升，泡沫铝流动应力提高。
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。
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。
Aerogels display a remarkable strain rate strengthening effect when they are impacted by projectile, which could improve the energy absorption capability of aerogels.
在子弹冲击过程中，气凝胶表现出明显的应变率强化效应，吸收子弹动能的能力显著提高；
Test results show that granite dynamic mechanical behavior of compression and splitting tensile has distinguishable strain rate effect.
试验结果表明，花岗岩的动态压缩和动态劈裂拉伸的力学性能表现出显著的应变率效应。
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。
According to the simulation results, we studied the effect of the process parameters, including the deformation temperature, initial strain rate and stroke, on the load, equivalent st...
根据数值模拟结果，研究了不同锻造工艺参数(变形温度、变形速率、压下量等)对叶片锻造过程中的变形力、应力和应变变化的影响规律。
The results show that the stress-strain curves are significantly affected by the strain rate history, and this effect must be accounted for in the study of material constitutive relations.
研究结果表明：特别是在较高平均应变率下，应变率历史对试件材料的应力应变曲线有明显的影响，在材料动态本构关系研究中应当考虑应变率历史的影响。
Through comparing and analysis, it is found that 3d EVP model is effective to describe the strain rate effect of soft rock.
通过对比分析表明，三维弹粘塑性模型可以较好地描述软岩的应变速率效应。
And they are of obvious strain-rate effect, that is, strength increases with strain rate.
同时，大理岩和砂岩随应变率的增加强度增大，具有明显的应变率效应。
The results show that refined tungsten alloy has a strain rate effect and the yield strength increases with the increase of strain rate.
结果表明：细化钨合金材料具有应变率效应，且随着应变率的增加，屈服强度增强；
Through the stress-controlled test the effect of the amplitude ratio, the average stress, stress amplitude and loading rate on the ratcheting strain and strain range are studied.
通过应力控制，研究了幅值比，平均应力，应力幅，加载率对棘轮应变以及棘轮应变幅的影响。
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。
The results show that the granite has strain rate effect, hardening effect and jumping behaviors of stress-strain curve.
结论表明，在此应变率段花岗岩材料具有明显的应变率硬化效应，峰值应力前应力-应变曲线的跃进特性。
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。
Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.
并建立了一种包含纤维增强效应和应变率增强效应在内的损伤本构模型。
Further more, a damage softening constitutive model is set up in which the effect of fiber reinforcing and strain-rate hardening are considered.
并建立了一种包含纤维增强效应和应变率增强效应在内的损伤本构模型。
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