结果表明,置氢tc 4钛合金具有较强的热软化效应,而应变率强化效应则相对较弱。
The experimental results indicate that all hydrogenated titanium alloy TC4 specimens exhibit a distinct heat softening effect, but that the strain rate hardening effect is comparatively weak.
在子弹冲击过程中,气凝胶表现出明显的应变率强化效应,吸收子弹动能的能力显著提高;
Aerogels display a remarkable strain rate strengthening effect when they are impacted by projectile, which could improve the energy absorption capability of aerogels.
锯齿形切屑产生的原因是第一变形区内因热软化超过应变和应变率强化而发生了绝热剪切局部化。
The reason for the sawtooth chips is that the adiabatic shear localization occurs in the primary deformation zones when thermal softening exceeds strain and strain rate hardening.
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。
Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.
该本构模型全面考虑了压力、应力第三不变量、变形的硬化和软化、应变率强化以及拉伸损伤等各个影响因素。
The main factors such as pressure, the third invariant of stress tensor, strain hardening and softening, stain rate and tensile damage have been taken into account in the constitutive model.
同时为便于积分,在经典的高应变率材料动态本构关系中,使应变强化项与应变率项相互解耦,并引入自然应变形式。
In addition, to be integrable, the classical dynamic institution for high-strain-rate materials is decoupled and natural strain is introduced.
分析中考虑了大位移引起的几何非线性;塑性、应变强化及应变率效应引起的材料非线性的影响。
It takes into account the influences of geometrical nonlinearities due to large, deflection and material nonlinearities due to plasticity, strain-hardening and Strain-rate Sensitivity.
实验结果表明:[0]16层板破坏时表现出典型的不规则脆性破坏,纤维的损伤具有初始门槛值,而纤维的强化存在应变率门槛效应。
The experimental results show that disheveled catastrophic brittle failure is observed for the [0]16 specimens tested at quasi-static strain rates.
实验结果表明:[0]16层板破坏时表现出典型的不规则脆性破坏,纤维的损伤具有初始门槛值,而纤维的强化存在应变率门槛效应。
The experimental results show that disheveled catastrophic brittle failure is observed for the [0]16 specimens tested at quasi-static strain rates.
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