A modification to the existing hardening function is proposed to reduce the mesh sensitivity of the plastic strain at peak stress.
为了克服峰值塑性应变的网格敏感性，对现有强化函数进行修正。
Test results show that for the stress-strain curves with no obvious peak strain, it is a available to use work hardening rate method to determine peak strain and stable strain.
实验结果表明，对于无明显峰值应变的应力-应变曲线，采用加工硬化率方法确定峰值应变和稳态应变是一种有效的方法。
The deformation and stress condition of the micro-composite are studied according to the shear-lag theory and strain-hardening law.
按照剪切滞后理论和应变硬化规律，研究微复合材料的变形和应力状态。
A modified associated flow rule of plastic strain for kinematic hardening materials is presented.
提出一种修正的随动硬化材料塑性应变关联流动律。
The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
弹性范围，塑料范围（当材料以不变的应力流动时），应变硬化范围和发生颈缩现象以其断裂终止的范围。
The models in common use with elastoplastic analysis of rock mass, conception of critical state and the cap models that reflect strain hardening (or softening) of rocks are discussed.
介绍了岩体弹塑性分析常用的模型、临界状态的概念以及反映岩石塑性应变硬化(及软化)的帽式模型。
The results showed that the characteristics of cyclic hardening or softening depend to the strain loading paths and the loading parameters.
研究结果表明，低周拉扭疲劳加载下，拉与扭应力响应的硬化与软化特性取决于应变加载路径和加载参数。
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 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.
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 load point displacement caused by single load for two dimentional cracked body with certain strain hardening exponent is divided into its linear-elastic and plastic components.
将具有一定应变硬地指数的二维裂纹体在单一载荷作用处的位移分成线弹性部分和塑性部分。
The higher initial strain hardening rate and higher strength of dual phase are attributed to rapid strain hardening in ferrite and the load transfer from the ferrite to martensite.
铁素体迅速应变硬化和铁素体到马氏体的载荷传递使双相钢具有较高的初始应变硬化速率和较高的强度。
The steel reinforcement is represented by a bilinear strain hardening model.
钢筋以双线性应变硬化模型表示。
As a general one, the presented solution can represent not only the Linear-elastic response but also the plastic strain hardening of an actual material.
本文解作为一般解，既能反映材料的弹性变形，也能计入材料的塑性应变强化。
When the stree strain relationship is the weak hardening, the relationship between stress ratio and strain incremental ratio shows the straight line with two different slopes.
当材料的应力应变关系为弱硬化型时，应力比与应变增量比关系为两段斜率不同的直线；
Thirdly, plastic strain ratio and strain hardening index are the two key parameters of material's formability.
塑性应变比与应变硬化指数是评价板料成形性能的两个重要参数。
In this paper a double hardening model with two hardening parameters (i. e. plastic volumetric strain and shear strain) and a single smooth yield function has been proposed.
本文中建议了一个包含塑性体应变和偏应变两个硬化参数的封闭屈服面模型，可以同时应用于正常固结土和超固结土。
In this model, a new kinematic hardening equation was used; the non-proportionality, the effect of temperature and memorization for the maximum plastic strain amplitude were also considered.
该模型给出了一个新的背应力演化方程，引入了非比例度参量，并且还考虑了最大塑性应变幅值记忆效应和温度效应的影响。
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.
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。
Its cyclic properties first show cyclic softening, after stabilizing, then cyclic hardening. The state of cyclic softening and cyclic hardening will vary along with strain level.
其循环相关特性表现为先循环软化，稳定后又发生循环硬化，而且循环软化和循环硬化的程度随控制应变的不同而不同。
Kinematic hardening model was used in FEM analysis and the response behaviors of transient local stress strain for material was also considered.
有限元分析采用了随动强化模型，并考虑材料瞬态局部应力应变的响应特性。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
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。
In calculating, power hardening function is used as the true stress - strain curve of materials.
计算时，板料的真实应力-应变曲线拟合为幂强化函数型。
Then the increment stress - strain relation of plasticity on the corner of the yielding surface is presented by the Koiter theory which is connected with the above hardening function.
它与夸脱理论相结合，得到了在角点处的塑性增量应力应变关系，在角点上剪应力增量与剪应变增量间是单值确定的。
A new theoretical interpretation for the strain softening and hardening effects, which were caused by the interior hysteresis nature of viscoelastic deformation.
对应变软化-硬化效应提出一种新的起因于粘弹变形内禀滞后效应的理论解释，并定名为粘弹软化-强化效应。
Regarding the design method, pseudo strain hardening model, pseudo strain hardening performance indices and how to choose fiber, matrix and interface for UHTCC are introduced.
在设计方法方面，准应变硬化模型，准应变硬化性能指标和如何选择纤维，基体和界面UHTCC的介绍。
In the strain-hardening stage, an effective precursor can be observed from the future earthquake source.
在应变硬化阶段，可以从未来震源观测到前兆剪切应变率异常条带。
Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.
由于加工硬化效应的影响，随着冷拔变形量的增加，合金丝材的室温强度增加，扭转塑性下降。
Considering the linear strain-hardening effect of materials, this paper proposes a computation method for the stresses and strength of autofrettaged cylinders.
本文主要讨论了在材料线性应变硬化效应的情况下，自紧管应力与强度的计算公式的推导。
Considering the linear strain-hardening effect of materials, this paper proposes a computation method for the stresses and strength of autofrettaged cylinders.
本文主要讨论了在材料线性应变硬化效应的情况下，自紧管应力与强度的计算公式的推导。
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