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。
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。
The threshold stress and fracture stress of hydrogen-induced cracking of X80 pipeline steel are studied by constant load test and slow stain rate test.
采用恒载荷和慢应变速率动态拉伸实验方法，测定了X80管道钢在不同充氢条件下的氢致开裂门槛应力和断裂应力。
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。
Because it is hard to obtain dynamic stress equilibrium and constant strain rate in soft materials specimen during the conventional SHPB experiments, a pulse shaping technique is developed.
本文重点针对传统的SHPB实验技术试样中早期应力不平衡和实验中难以达到常应变率加载这两大问题，建立了入射波整形技术。
If a part is allowed to cool slowly enough at a constant rate then the final part will be relatively homogenous and stress free.
如果零件以恒定速率冷却得足够缓慢，最终零件将相对均质并释放内应力。
Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.
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。
The constant creep rate was increased and creep-resistance breaking time and creep breaking elongation were decreased with the increase of applied stress.
随施加应力的增大，纤维的恒蠕变速率增大，抗蠕变断裂时间变小，蠕变断裂伸长变小。
A pulse shaping technique has been used in split Hopkinson bar (SHPB) experiment, for ensuring the specimen in dynamic stress equilibrium and loaded under constant strain rate during the test.
在SHPB实验中，通过采用整形器技术，实现实验过程中的应力平衡和常应变率加载。
When deformation temperature is constant, flow stress increases with the increase of strain rate.
当温度一定时，流变应力随着应变速率的升高而增大。
The experimental items of the tests are tension of constant strain rate, creep at constant stress, and strain controlled low cycle fatigue of constant strain rate.
实验项目有等应变率拉伸、等应力蠕变和控制应变幅的等应变率塑性循环。
To study of coiled tubing steel cyclic stress-strain behavior was found that: the same sample at different constant strain rate, the performance of cycle characteristics is different.
研究连续油管钢循环应力-应变行为发现：相同试样在不同的恒应变幅下，表现出不同的循环特征。
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。
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。
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。
Meantime, conventional constant-rate elongation tests and stress relaxation tests are conducted with DCS-500.
并以常规的等速拉伸和应力松弛试验作对比。
When the axial static pre-stress is a constant, the impact compressive strength increases with an exponential function as the strain rate increases.
相同轴压下，冲击强度会随着应变率的增加而增加，呈现指数函数关系。
When the axial static pre-stress is a constant, the impact compressive strength increases with an exponential function as the strain rate increases.
相同轴压下，冲击强度会随着应变率的增加而增加，呈现指数函数关系。
应用推荐