• 综合论述金属塑性电致超塑性效应研究状况

    The present research results about the electro plastic and electro superplastic effect of metals are summarized in this paper.

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  • 金属压力加工中,利用塑性效应降低金属变形抗力增加金属成型极限改善产品表面质量

    Electroplastic effect can be employed to increase metal forming limit, reduce deformation resistance and improve surface quality of product.

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  • 谈及音乐迁移效应科学家们经常提到大脑塑性大脑会随着使用方式变化而发生改变事实。

    When it comes to transfer effects of music, scientists frequently point to brain plasticitythe fact that the brain changes according to how we use it.

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  • 首个能够证明跨越世代效应不仅仅体现行为上,更体现在大脑塑性上。

    This study is probably the first study to show there are transgenerational effects not only on behavior but on brain plasticity.

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  • 在此基础,本文首次采用弹-粘塑性边界元法并结合锚喷支护考虑隧洞掘进时空效应作用问题,从而拓展了边界单元法工程应用

    Based on the above work a space-time effect on the excavation face of tunnel with the function of bolting support is considered, thus the engineering application of BEM is developed.

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  • 经典弹-塑性理论屈服函数引入应变梯度考虑应变效应函数。

    The second shear strain gradient and the function reflecting the effect of strain rate are introduced into the yield function of classical elastoplastic theory.

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  • 基于应变叠加原理基本思想。阐释金属振动塑性加工平均应力减小的原因,给出体积效应机理的数学描述。

    Based on the strain superposition principle, the phenomenon of mean stress reduction in metals plastic processes with vibration is explicated. and the mechanism of volume effect is described.

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  • 粉煤灰火山灰效应集料效应分析为基础,分析研究了粉煤灰对混凝土塑性收缩缩、自缩温度收缩裂缝影响

    Based on analyzing the eruption and tiny aggregate effect of fly ash, the influence of fly ash on the shrinkage fissure of concrete is studied, caused by the plastic deformation, dry or temperature.

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  • 文中假定,弹性阶段粘性效应可以略去塑性应变中粘性才起作用。

    It is assumed that the viscosity effect can be neglected for elasticity strain, and only for plasticity strain, the viscosity is significant.

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  • 针对复杂交变载荷,采用运动强化模型反映塑性应变引起的各向异性包辛格效应

    The (aeolotropism) and Bauschinger effect resulted from plastic deformation under cyclic loading were reflected by the kinematic hardening model in the SFEM.

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  • 从实验中同时得出塑性变形辛格效应特征

    In addition, the feature of the Bauschinger effect for large plastic deformation was revealed in this work.

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  • 采用塑性理论研究具有柱状结晶构造海冰SD效应

    The SD effect of the sea ice with cylindrical crystal construction has been study with the elastic-plastic theory.

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  • 过载效应钝化、裂尖附近残余应力裂尖尾部塑性诱导闭合共同作用结果。

    The overload effects were controlled by various factors such as crack blunting, residual compressive stress ahead of the crack tip and crack closure induced by wake zone plasticity.

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  • 本方法可以考虑任意实际初始缺陷材料塑性卸载效应影响

    All practical initial imperfections can be considered, and, the effect of loading, unloading and reloading to the material of members can be included in analysis.

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  • 模型给出了一个新的背应力演化方程,引入非比例度参量,并且考虑最大塑性应变记忆效应温度效应影响。

    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.

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  • 另外大量高温塑性变形可以产生较小之肥晶粒这样可以抵消高温热温度所造成之晶粒粗大效应

    Large amounts of deformation can lead to smaller ferrite grains which can balance the high temperature soaking effect.

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  • 数控弯曲一种先进管弯曲塑性加工技术数控弯管技术的需要相关软件支持

    The nc tube bending process is one of the advanced tube bending technologies, and its high effective application needs the corresponding software to support its performance.

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  • 应用有限元方法建立考虑屈服应力温度相关效应粗糙表面塑性接触模型

    A thermal elastoplastic contact model which can take into account the effects of temperature-dependent yield strength was developed by using finite element method.

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  • 对于非均各向异性土地基上管桩基础承载力,基于塑性极限分析理论考虑软土强度的非均质各向异性效应,提出了一种改进三维极限分析上限解法

    A modified three-dimensional plastic limit analysis method is proposed for lateral bearing capacity of the large-diameter pipe pile in the inhomogeneous and anisotropic soft ground.

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  • 对于形变理论假定塑性应变量与应变偏量张量成比例,其比例因子标量函数

    For plastic deformation theory, it is assumed that the plastic strain tensor is proportional to the total strain deviation tensor and the ratio is a sealer 'function of the effective total strain.

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  • 由于微结构效应基于梯度塑性理论剪切内部的最大塑性剪切应变最高温度预测值高于经典理论的预测值。

    The prediction values of shear strain and temperature in shear band based on gradient-dependent plasticity are higher than those by use of classical elastoplastic theory.

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  • 对国外相变诱发塑性影响因素研究进展做了概述介绍了T RIP效应及其影响因素。

    The research progress of transformation induced plasticity (TRIP) effect was briefly reviewed and the TRIP effect and its influencing factors were introduced.

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  • 本文应用基于多重剪切塑性模型液化状态面的分析方法探索了液化场地微型斜桩的抗震性状和桩土动力相互作用机制。

    Herein an effective stress analysis method using a multiple shear plasticity model and a concept of liquefaction front was used to investigate the static and dynamic.

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  • 一般认为将机械振动引入到金属塑性成形加工,不但可以降低材料变形时所需的外力,还能大幅度提高产品成形质量,这些效果的产生主要缘于体积效应的影响。

    Volume effect is in the case of the plastic processing system with vibration, under this process the deformation resistance force of materials is reduced, and the deformation rate is risen.

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  • 分析中考虑位移引起几何非线性塑性应变强化应变效应引起的材料非线性影响

    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.

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  • 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。

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

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  • 研究结果表明通过采用塑性概念方法提出本构模型能用描述饱和多孔白垩岩的孔隙力学特性。

    It is shown that the proposed model is able to describe the poromechanical behaviour of saturated porous chalk by using the concept of effective stress.

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  • 研究结果表明通过采用塑性概念方法提出本构模型能用描述饱和多孔白垩岩的孔隙力学特性。

    It is shown that the proposed model is able to describe the poromechanical behaviour of saturated porous chalk by using the concept of effective stress.

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