In higher strain-rate condition, LY12 alloy has good superplasticity and room temperature properties.
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。
It can achieve a large deformation, a large range of testing strain-rate and an approximately constant strain-rate dynamic compression testing.
该方案能实现对软材料的大变形、近似恒应变率及大应变率范围动态压缩测试。
The steady-state creep strain rate is a power function of deviatoric stress and exponential function of temperature and energy.
稳定蠕变应变率本构方程是作用在盐岩上的应力偏量的幂次函数和能量与温度的指数函数。
Particularly, for the continent, the crust thickness, thermal age and strain rate significantly had strong effect on the lithosphere strength.
尤其对于大陆岩石圈,地壳厚度、年龄和应变率均可显著影响岩石圈的强度。
Strain rate and stress are nonlinearly related .
应变速率和应力呈非线性关系。
The relationships between strain rate and the elastic modulus, critical strain, Poisson's ratio and energy absorption capacity of concrete are still studied.
分析了应变率对混凝土弹性模量、峰值应力时的应变、泊松比和混凝土吸能能力的影响。
Time to peak systolic circumferential strain and strain rate were measured in 12 segments, and myocardial dyssynchrony was expressed as the SD of time to peak strain and strain rate.
用12个区域来测量收缩期圆周应变时间和应变率,并用应不峰值时间和应不率的标准差来表示心肌不同步。
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 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。
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。
The coarse crystalline LC4 alloy exhibit some superplasticity under lower temperature and higher strain rate, because it can create effective recrystallization refinement.
粗晶lc 4合金在较低温度和较高应变速率条件下,因能产生有效的再结晶细化,而呈现出一定的超塑性。
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。
Methods Parameters of strain and strain rate were obtained and compared among 23 HCM patients, 30 patients with H-LVH and 20 healthy people (control group).
方法测定23例hCM患者、30例h - LVH患者及20例正常对照组常规超声心动图参数及室间隔与左室后壁应变率参数并进行对比。
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.
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。
Strong earthquakes occurred in the high-value region and its margins of shear strain rate, especially in the high-value region of shear strain rate in accordance with tectonic deformation background.
强震通常发生在剪切应变率的高值区及其边缘,尤其是与构造变形背景相一致的剪应变率高值区。
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。
Further more, mechanical facture will take place if the local strain rate is high enough.
该局部应变速率继续升高时,将发生机械断裂。
The location of shear strain rate localization coincides in position with the location of volumetric strain rate, which is the actual failure zone of rock.
剪切应变率(或应变)局部化区域与体积应变率(或应变)的位置重合,局部化区域就是岩样最终的破坏位置。
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 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: 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。
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。
The tensile strength of the composites increases with increasing the strain rate, and the failure strain decreases when the strain rate increases.
随着应变率的增加,材料的强度及弹性模量有较大程度的提高,但破坏应变有所降低。
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。
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。
Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.
应变率增加,材料强度提高,屈强比增大,塑性略有降低,但流变阶段应变率强化系数基本不变。
Based on available research results, the physical mechanism of strength-strain rate sensitivity in different strain rate regions and the transition between them are studied.
基于现有的研究资料,对不同应变率区的材料强度的应变率依赖性机理及其转换进行了探讨。
Based on available research results, the physical mechanism of strength-strain rate sensitivity in different strain rate regions and the transition between them are studied.
基于现有的研究资料,对不同应变率区的材料强度的应变率依赖性机理及其转换进行了探讨。
应用推荐