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；
Research results demonstrate that the 10t fast loading equipment is applicable to study on dynamic mechanical properties of soft rocks under medium strain rate.
实验结果表明：10吨快速加载机适用于软岩在中等应变速率下的动态力学性质的研究。
This paper has compared the advantage and disadvantage of the constant displacement method, constant loading method and slow strain rate method on researching the stress corrosion.
比较了恒位移法、恒载荷法和慢应变速率法研究应力腐蚀时的优缺点。
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。
For brittle material testing, the governing equation of input waveform for attaining constant strain-rate loading is given.
给出了测试脆性材料时实现恒应变率加载的加载条件。
The strain rate was changed stepwise several times; and stress relaxation tests and a set of creep tests were performed during otherwise monotonous loading at a constant strain rate.
试验不仅实现了应变率逐步变化加载过程，同时也实现了蠕变加载和应力松弛过程。
The equations of loading and bounding surfaces are described in strain-energy release rate.
加载面、边界面方程均以损伤能量释放率表示。
The equations of loading surface and boundary surface are expressed in strain-energy releasing rate.
加载面、边界面方程均以损伤能量释放率表示。
It was indicated that the strain rate is distributed unevenly and changes with loading time.
发现缺口前沿各点的应变速事分布足很不均匀的，并随加载时间而改变。
Test results show that : ( 1 ) the amount of creep deformation during monotonic primary loading depends on strain rate before creep, creep stress level, and creep time ;
试验结果表明： （1 ）在初始加载过程中，经过一定时间蠕变后黏土的强度有很大的提高；
Next, unloading-reloading cycles are repeated in constant loading rate test with Sanjome andesite and Inada granite; and unloading curves at many points along stress-strain curve are obtained.
其次，对三城目安山岩和稻田花岗岩在恒定速率下进行循环加载卸载试验，得到了应力—应变曲线上很多点处的卸载曲线。
On the basis of the fractional calculus operator theory, the stress-strain relation of soft soil under the condition of loading with constant strain rate is proposed.
利用分数阶微积分理论提出等应变率加载情况下的软土应力—应变关系。关系式显示应力—应变之间呈乘幂函数关系。
Furthermore, the loading rate dependency of a stress-strain curve was also obtained by just one small specimen with the loading rate alternately switching during a test.
此外，通过以下方式获得的应力-应变曲线的加载速率依赖性也只是一个小的试样的加载速率交替地切换测试期间。
Stress-strain curve at slow loading-rate obtained in alternating loading rate test is shifted along the unloading curves, and then it overlapped on stress-strain curve at a fast loading rate.
将在交替变换荷载速率试验中得到的对应于低荷载速率的应力–应变曲线沿着卸载曲线平移，可以与高荷载速率对应的应力–应变曲线重合。
Stress-strain curve at slow loading-rate obtained in alternating loading rate test is shifted along the unloading curves, and then it overlapped on stress-strain curve at a fast loading rate.
将在交替变换荷载速率试验中得到的对应于低荷载速率的应力–应变曲线沿着卸载曲线平移，可以与高荷载速率对应的应力–应变曲线重合。
应用推荐