The strain rate sensitivity exponent increases little with increasing deformation temperature.
随着变形温度的提高,该合金的应变速率敏感指数值变化很小。
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;
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。
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。
Maximal crack displacement increases with the increase of strain rate sensitivity, and is independent on punch velocity and viscosity.
最大破裂位移仅随应变速率敏感系数的增大而增大,而与压头速度和粘度的大小无关。
The study result shows that in small strain rate region, strength-strain rate sensitivity is controlled by thermoactivational mechanism.
分析表明,在小应变率的范围内,材料强度-应变率依赖性受热活化机制控制;
The creep strain rate sensitivity can be determined from the relationship between the creep hardness and creep strain rate by the definition of "work of indentation".
基于压痕做功概念定义了压痕蠕变硬度和蠕变应变速率,从而给出钎料的蠕变速率敏感指数。
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。
The appreciable suppression of DRX due to the increase of strain rate is found to be the reason for the strain rate sensitivity in warm deformation of hot-rolled AZ31 Mg alloy.
应变速率的提高对动态再结晶的抑制是造成AZ31镁合金温变形中应变速率敏感性的原因。
The results demonstrate that skin stiffness decreases with increasing thermal damage degree and there exist strain rate sensitivity at different damage levels, caused mainly by hydration changes.
结果表明:皮肤的刚度随热损伤度的提高而下降,并且具有不同损伤度下的应变速率敏感性,这些特性主要是由皮肤的水合作用变化所引起的。
With the increment of impact velocity, the new material appears positive strain rate sensitivity, but when the increment reaches a certain degree, the material shows negative strain rate sensitivity.
随着冲击速度的提高,材料具有应变率正敏感性,但到一定程度材料反而显示出应变率负敏感性。
The analogy between internal friction increment and overstress due to strain-rate sensitivity is clarified.
本文也指出了由于应变率敏感性所引起的内耗增量和过应力的类比性。
Cell-size has a significant effect not only on the crushing stress and plastic modulus of aluminum foam, but also on the strain-rate sensitivity of material of this kind.
泡孔尺寸不仅影响着材料的屈服强度和塑性模量等,还影响着材料的应变率敏感性。
The damage threshold is regularized in order to reflect strain-rate sensitivity of rock materials under impact load.
为了反映冲击载荷下岩石材料的应变率敏感性,对损伤的门槛值进行粘性调整。
An attempt is made to elaborate the definition of the coefficient of strain-rate sensitivity, which is a fundamental concept for macroscopic dynamic plasticity and dislocation dynamics.
应变率敏感系数是宏观塑性动力学和位错动力学的一个基本概念,本文试图对其进行了重新解释。
These prove that the strain-rate sensitivity index depends tightly on the deformation route from experiment, even on the condition that those stress-state are similar.
这就从试验上判明,即使在相同的应力状态下,应变速率敏感性指数也与变形路径密切相关。
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.
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。
Environment factors, such as temperature and moisture state had an important influence on the strain-rate sensitivity of concrete.
对于处在不同环境下的混凝土结构,温度和湿度是其必须考虑的两个重要因素。
Environment factors, such as temperature and moisture state had an important influence on the strain-rate sensitivity of concrete.
对于处在不同环境下的混凝土结构,温度和湿度是其必须考虑的两个重要因素。
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