The results show that the flow stress and peak strain increase with increasing strain rate or decreasing deformation temperature.
结果表明:实验条件下,流变应力及峰值应变随变形温度的降低和应变速率的提高而增大。
The microstructure evolution, which is governed by temperature, strain and strain rate during hot metal forming, is a key factor to the mechanical properties.
金属在热成形过程中的微观组织演变是影响产品力学性能的关键因素,该演变过程取决于温度、应变和应变速率。
The theory can be used to study the distributed strain, strain rate, porosity and plastic shear displacement in fault band, which presents a new method for quantitative analysis of ductile shear zone.
梯度塑性理论可用于研究韧性断层带内部应变、应变率分布规律、断层带错动位移及带内孔隙度分布规律,为韧性断层带定量分析提供了新的手段。
So the composite has sensitivity of strain rate during compression in semi-solid interval.
复合材料在半固态区间压缩时具有应变速率敏感性。
The strain rate sensitivity of concrete tends to decrease with higher lateral confined stress.
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;
Whereas the apparent activation energy (Q) is affected by microstructure, temperature and strain rate.
合金的表观激活能与材料的状态、变形温度及变形速率有关。
The results show that the dynamic tensile strength of marble is heightened with increasing strain rate.
结果表明,大理岩的动态拉伸强度随着应变率的提高而增加。
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。
Results: Although strain and strain rate declined from basal segment to apex, there was no statistical difference.
结果:基底段到心尖段应变与应变率呈下降趋势,但统计学差异无显著性。
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 flow stress decreases with the increase of deforming temperature and increases with the increase of strain rate.
流变应力随着变形速率的增加而增加,随着变形温度的升高而降低。
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。
Using the GPS velocity field, we estimate the annual accumulations of strain rate field and strain energy density field.
进一步利用GPS速度场计算华北地区GPS地壳应变率场及应变能密度变化率场。
The role of shear strain rate of an environmental flow in typhoon propagation is investigated using a shallow water model.
利用浅水波正压模式研究了环境流场切应变率对台风移动的影响。
The results show that the microstructure of continuously roll-cast AZ31 alloy is sensitive to both strain and 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 flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant 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。
One dimensional shear strain rate gradient formation of the second order is proposed based on the non-local continuum model.
根据非局部连续介质模型,提出了一维二阶剪切应变率梯度格式。
Due to different combinations of temperature and grain size and strain rate, materials show quite novel mechanical behavior.
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。
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;
Stress corrosion cracking of an X60 pipeline steel in soil containing water has been investigated using slow strain rate test.
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。
Moreover, if the surface moves from the plastic region into the rigid region, the strain rate is continuous and equals to zero.
此外,当界面的运动方向是由塑性区向刚性区扩展时,界面上的应变率也将保持连续并等于零。
Meanwhile the initial strain rate and strain temperature affect the austenite grain size and distribution of precipitation phase.
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。
Conclusion: There was no statistical difference of strain and strain rate between the different segments and the different walls.
结论:应变与应变率在同一室壁不同节段与不同室壁同名节段之间差异无显著性。
At the same tensile strain, the power law relationship between band propagating velocity and applied strain rate is also obtained.
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。
The test results show that for a certain type of soil its stress-strain behaviour mainly depends upon strain rate and temperature.
试验结果表明,对一定土质及含水量的冻土,其应力-应变性状主要取决于应变率及温度。
The dynamically recrystallized grain size increases with increasing deformation temperature and reduces with increasing strain rate.
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 effects of anisotropy, strain rate sensitivity, imperfection and its amplitude and inertia on plastic instability are discussed.
还讨论了材料各向异性、应变率敏感性、不均匀性及其幅度、惯性等因素对塑性失稳的影响。
The results showed that the flow stress of this alloy reduced with increasing deform temperature and increased with increasing 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.
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。
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