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。
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。
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。
The results show that the stress-strain relationship of geotextile-reinforced fillings is of strain hardening.
试验表明:加筋填料的应力–应变关系表现为应变硬化型;
When it accumulated to a higher degree, the specimen began to shear and dilate after a short time of strain hardening.
达到一定程度后,岩石表现出短暂的应变硬化,岩石开始剪胀。
The PP with high grafting rate can improve the melt strength and the extensional viscosity of a PP system and the strain hardening.
接枝率高的PP,可提高PP体系的熔体强度和拉伸黏度及其应变硬化。
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。
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。
The wear resistance of wheel steels is not affected by strain hardening under rolling/sliding conditions, while it is dominated by the pre-hardness of wheel steels.
滚滑条件下,车轮材料应变硬化程度的高低不影响车轮材料的抗磨损性能,试验前车轮材料初始硬度的高低是决定其抗磨损性能的主要因素。
Meanwhile, strain hardening capacity of FSW joint in cooling water also enhances, and the tensile fracture presents the characteristic of microporous polymeric fracture.
接头的应变硬化能力增强,拉伸断口呈现出微孔聚合型断裂特征。
This paper has studied the changes about tensile strain hardening exponent (n-value) in three kinds of st steels by testing n-values and found changing tendency of them.
进行三种ST钢的应变硬化指数n值试验,分析试验结果,研究n值在整个应变区间的变化趋势。
Based on crystalline plasticity slip and strain hardening model, a rate-independent polycrystalline plasticity model was developed and introduced into finite element method.
基于晶体塑性变形的滑移机理和微观硬化机制,建立了相应的运动学描述和基于率无关的晶体本构方程。
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。
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 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 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。
Compared with the strip produced by conventional austenite rolling, the yield strength of the ferrite rolled strip was lower by about 20%, with same elongation and strain hardening exponent.
相对于常规奥氏体轧制,铁素体轧制薄板的屈服强度下降了20%左右,伸长率及应变硬化指数与之相当。
The strain fields in damage zone around crack-tip are measured for different strain hardening exponent material specimens with double edge cracks using digital speckle correlation technique.
为了研究粘性效应作用下的扩展裂纹尖端场,假设扩展裂纹尖端的人工粘性系数与塑性应变率的幂次成反比,推导出理想弹塑性材料的一种率敏感型本构关系。
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 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 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。
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。
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。
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。
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