应变速率对峰值应力的影响与变形温度有关。
Effect of strain rates on peak flow stress is relate to deformation temperature.
应变速率减小，晶粒平均尺寸增大，晶粒变得圆整。
Average grain size increased and grain became round with strain rates reduction.
复合材料在半固态区间压缩时具有应变速率敏感性。
So the composite has sensitivity of strain rate during compression in semi-solid interval.
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。
The adiabatic shearing phenomena were often found in metallic materials under high-strain, high-strain-rate deformation.
在较高的恒定侧向压力下，混凝土材料对应变速率的敏感程度降低；
The strain rate sensitivity of concrete tends to decrease with higher lateral confined stress.
同时，初始应变速率和变形温度影响奥氏体晶粒尺寸和析出相的分布。
Meanwhile the initial strain rate and strain temperature affect the austenite grain size and distribution of precipitation phase.
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。
The effect of relative compaction, initial moisture content of specimens and strain rate was investigated.
混凝土的动态强度既与应变速率有关，也与应变历史等其它因素有关。
The dynamic strength of the concrete is related to the strain rate as well as to other factors such as strain history.
温度、晶粒大小、应变速率的不同组合下，材料会呈现复杂的力学行为。
Due to different combinations of temperature and grain size and strain rate, materials show quite novel mechanical behavior.
在高应变速率条件下，LY 12铝合金具有较好的超塑性和室温性能。
In higher strain-rate condition, LY12 alloy has good superplasticity and room temperature properties.
得到了在相同应变下，变形带的传播速率和加载应变速率之间的幂律关系。
At the same tensile strain, the power law relationship between band propagating velocity and applied strain rate is also obtained.
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.
采用等温恒应变速率压缩试验对超高强度铝合金的流动应力规律进行了研究。
Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.
通过回归分析，建立了动态再结晶晶粒尺寸与温度、应变速率之间的定量关系。
The quantitative relationship between the recrystallized grain size and the temperature as to as the strain rate is established by the regression analysis.
动态再结晶晶粒尺寸随着变形温度的升高而增大，随着应变速率的升高而减小。
The dynamically recrystallized grain size increases with increasing deformation temperature and reduces with increasing strain rate.
结果显示：AZ 31镁合金铸轧组织对应变速率和变形量均具有较强的敏感性。
The results show that the microstructure of continuously roll-cast AZ31 alloy is sensitive to both strain and strain rate.
采用等温恒应变速率压缩试验对7A60超高强度铝合金的流动应力进行了研究。
The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate.
材料的应变速率敏感性指数与孔洞长大速率通过不同的变形机理图控制着这种过程。
It is controlled by the sensitive index of the strain rate and the cavity growth rate of material.
通过单向拉伸试验研究了AZ31镁合金轧制板在不同温度和应变速率下的力学性能。
The mechanical property of AZ31 magnesium alloy rolling sheet under different temperatures and strain rates was studied through uniaxial tensile test.
由此可以给出超塑性变形时应变和应变速率区的限度，有益于指导实际的超塑性成型。
From this, the Limit of strain rate and strain of superplasticity can be given, and this is useful for practice of deformation with superplasticity.
结果表明，在该体系中局部应变速率是联系各种不同断裂过程的纽带，决定着断裂的模式。
It was revealed that local strain rate is a key factor that builds a bridge between different tests, different samples and different cracking processes, and dominates fracture mode.
海冰对应变速率变化较敏感，在不同应变速率范围内可表现出不同的力学行为和强度特性。
Because of its strength sensitivity to strain rate, sea ice displays different mechanism behavior and strength features in different range of strain rate.
试验结果表明，该合金流动应力随着变形温度的升高而下降，随着应变速率的增加而增加。
The results showed that the flow stress of this alloy reduced with increasing deform temperature and increased with increasing strain rate.
基于压痕做功概念定义了压痕蠕变硬度和蠕变应变速率，从而给出钎料的蠕变速率敏感指数。
The creep strain rate sensitivity can be determined from the relationship between the creep hardness and creep strain rate by the definition of "work of indentation".
这就从试验上判明，即使在相同的应力状态下，应变速率敏感性指数也与变形路径密切相关。
These prove that the strain-rate sensitivity index depends tightly on the deformation route from experiment, even on the condition that those stress-state are similar.
根据一个有效的非线性粘弹模型，导出复合固体推进剂微分形式本构方程和应变速率关系式。
Based on an effective nonlinear viscoelastic model, the differential constitutive equation and strain-rate equation of solid composite propellants are induced.
如何科学有效地达到对材料试验机的应力速率及应变速率控制，是目前试验机领域的关键问题。
How to control the stress rate and strain rate of material testing machines scientifically and effectively is a key problem in the testing machine field.
当等效应变速率较大时，变形热效应对流动应力的影响相当显著，压缩过程基本上成为绝热过程。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
当等效应变速率较大时，变形热效应对流动应力的影响相当显著，压缩过程基本上成为绝热过程。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
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