• The steel reinforcement is represented by a bilinear strain hardening model.

    钢筋线性应变硬化模型表示

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  • Thirdly, plastic strain ratio and strain hardening index are the two key parameters of material's formability.

    塑性应变应变硬化指数评价板料成形性能两个重要参数

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  • The results show that the stress-strain relationship of geotextile-reinforced fillings is of strain hardening.

    试验表明:加筋填料应力–应变关系表现为应变硬化型;

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  • 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,岩石表现出短暂应变硬化岩石开始剪胀

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  • 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PP提高PP体系熔体强度拉伸黏度及其应变硬化

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  • Due to the effect of strain hardening, higher amount of cold deformation resulted in superior room temperature strength and inferior torsion ductility.

    由于加工硬化效应影响,随着拔变形的增加,合金丝材的室温强度增加,扭转塑性下降。

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  • 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.

    本文作为一般解,反映材料弹性变形,计入材料塑性应变强化

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  • 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.

    条件下车轮材料应变硬化程度高低影响车轮材料的磨损性能,试验前车轮材料初始硬度的高低决定其抗磨损性能主要因素。

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  • Meanwhile, strain hardening capacity of FSW joint in cooling water also enhances, and the tensile fracture presents the characteristic of microporous polymeric fracture.

    接头应变硬化能力增强拉伸断口呈现孔聚合型断裂特征

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  • 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ST应变硬化指数n试验,分析试验结果,研究n值整个应变区间的变化趋势

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  • Based on crystalline plasticity slip and strain hardening model, a rate-independent polycrystalline plasticity model was developed and introduced into finite element method.

    基于晶体塑性变形滑移机理微观硬化机制,建立了相应的运动学描述和基于率无关的晶体本构方程。

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  • 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.

    设计方法方面应变硬化模型,准应变硬化性能指标如何选择纤维基体界面UHTCC介绍

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  • 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.

    具有一定应变硬地指数裂纹单一载荷作用位移分成线弹性部分塑性部分。

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  • 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.

    素体迅速应变硬化铁素体马氏载荷传递使钢具有较高初始应变硬化速率和较高强度

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  • 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.

    介绍岩体塑性分析常用模型临界状态概念以及反映岩石塑性应变硬化(软化)的帽式模型。

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  • 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.

    本构模型全面考虑了压力应力第三不变量变形硬化软化应变强化以及拉伸损伤各个影响因素。

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  • 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屈服强度下降了20%左右,伸长率应变硬化指数与之相当

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  • 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。

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  • 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网格敏感性,对现有强化函数进行修正

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  • 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.

    实验结果表明对于明显峰值应变应力-应变曲线采用加工硬化方法确定峰值应变稳态应变一种有效的方法。

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  • The deformation and stress condition of the micro-composite are studied according to the shear-lag theory and strain-hardening law.

    按照剪切滞后理论应变硬化规律,研究微复合材料变形应力状态

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  • A modified associated flow rule of plastic strain for kinematic hardening materials is presented.

    提出一种修正随动硬化材料塑性应变关联流动

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  • 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(当材料不变应力流动),应变硬化范围发生缩现象以其断裂终止范围。

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  • 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.

    锯齿形切屑产生原因第一变形区内软化超过应变应变强化而发生绝热剪切局部化

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  • The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.

    理论应变硬化规律研究复合材料塑性变形应力状态

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  • Raising the testing strain rate, the strength and yield ratio increased the plasticity slightly decreased, but the strain rate hardening index kept constant.

    应变增加,材料强度提高,屈强增大塑性略有降低流变阶段应变率强化系数基本不变。

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  • A new theoretical interpretation for the strain softening and hardening effects, which were caused by the interior hysteresis nature of viscoelastic deformation.

    应变软化-硬化效应提出一种新的起因于粘弹变形禀滞后效应理论解释,并定名粘弹软化-强化效应。

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  • In the strain-hardening stage, an effective precursor can be observed from the future earthquake source.

    应变硬化阶段可以未来震源观测到前兆剪切应变率异常条带。

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  • In the strain-hardening stage, an effective precursor can be observed from the future earthquake source.

    应变硬化阶段可以未来震源观测到前兆剪切应变率异常条带。

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