• 结果表明动态塑性变形主要局限撞击附近区域,因此动态变形模式静态塑性破坏机构显著不同的。

    The results also indicate that the dynamic plastic deformation is mostly localized in the region near the impinged point, and this makes the dynamic mode quite...

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  • 结果表明动态塑性变形主要局限于撞击附近区域,因此动态变形模式静态塑性破坏机构显著不同的。

    The effects of the "mass ratio" and "energy ratio" on the deflection at the impinged point are shown by numerical results. The results also indicate that the dynamic plastic deform…

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  • 动态塑性试验技术作了扼要综述。简单介绍了各种试验方法基本原理及其应用范围,并评述了各自所具有的特点不足之处。

    The testing methods in dynamic plasticity are reviewed. The principles, the practical uses, merits and shortcomings of various testing methods arc discussed.

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  • 利用透射电子显微镜,液氮温度动态塑性形变法(LNT -DPD)制备的块体纳米孪晶不同形变量下的微观结构演变进行了研究。

    Microstructural feature and evolution of nano-twin bulk Cu specimens produced by means of dynamic plastic deformation at liquid nitrogen temperature (LNT-DPD) have been studied using tem.

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  • 本文报道一种求解门式刚架冲击载荷作用下动态塑性变形响应简便分析方法

    A simplified analytical method for the elastoplastic dynamic large deflection response of portal frames under impact loading is reported in this paper.

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  • 比拟方法分析计算爆炸焊接条件下,爆炸复合材料结合塑性变形金属动态屈服强度值。

    This paper analysed and calculated the dynamic yielding strength of plastic deformed metal in the bonding zone of explosive welding composite material in the condition of explosive welding.

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  • 容量动态称为神经形成塑性,在记忆后形成前后前当比例的路线。

    The brain's capacity for dynamic states, called neuroplasticity, or just plasticity, makes tracking the circuitry behind memories a task of near-epic proportions.

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  • 机械影响存在部分动态再结晶较明显塑性变形晶粒

    There exist a partly thermodynamic recrystallization, and superplastic grains appear in the thermo-mechanical affected zone.

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  • 本文介绍有限元估算塑性动态j积分方法

    This paper presents a method for estimating the elastic-plastic dynamic J integral value by finite element analysis.

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  • 研究塑性方法分析铸造应力框自凝固冷却过程动态应力

    In this research work, the thermal elastic-plastic method is used to analyze the dynamic thermal stress in the stress-frame specimen during its solidification and cooling process.

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  • 目的观察大鼠脑梗死及电针干预后突触素(syp)动态变化探讨突触塑性物质基础机制针刺的影响。

    Objective To explore the mechanism, material fundamental of synapse plasticity and acupuncture's efficacy by watching the alteration of SYP after cerebral infarction and acupuncture treatment.

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  • 本文有限元方法分析了一定缺陷轴向冲击塑性动态屈曲

    Using the finite element method, the dynamic buckling of a bar with finite initial imperfection under axial impact is analyzed in this paper.

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  • 动态机械分析(DMTA)显示塑性乙酰淀粉包含富甘油富淀粉两,乙酰化淀粉和甘油为部分互溶

    Dynamic mechanical thermal analysis (DMTA) indicated that acetylated starch and glycerol were partially miscible with separated acetylated-starch-rich phase and glycerol-rich phase.

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  • 塑性动态断裂韧性CTOD及其在不同裂纹扩展速度变化规律的测试。

    The dynamic plastic fracture toughness CTOD and its variation with different. crack propagation speeds.

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  • 结果表明:晶内强度碳化物动态析出增加而上升,高温塑性随之降低。

    The high-temperature ductility deteriorates and intra-granular strength increases with an increases of dynamic precipitation of carbide.

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  • 为了研究静力加载荷对诸如圆柱等结构动态稳定性影响采用一种简单的缺陷敏感塑性模型

    In order to study how the static preloading affects on the buckling stability of columns or cylindrical shells, a simple imperfection-sensitive elastic-plastic model is used.

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  • 运用刚体系统动力学接触冲击理论建立了节理岩体塑性动态本构模型

    In this paper, a elastic-plastic dynamical constitutive model on jointed rock masses under blasting load is established with the help of the multiple rigid-body dynamics and contact-impact theory.

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  • 低碳钢动态应变时效行为导致铁素体轧制薄板塑性应变比值较低主要原因

    The dynamic strain aging of low carbon steel is the main reason of low plastic strain ratios value of the ferrite rolled strip.

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  • 开发设计振动诱导动态硫化实验装置上,对塑性硫化橡胶(TPV)的性能微观形态进行了测试分析

    The experimental equipment of vibrational induction for dynamically full vulcanization was designed and used to measure and analyze the property and micromorphology of thermoplastic vulcanite (TPV).

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  • 结构动态响应作为塑性动力学重要研究领域越来越受到人们重视

    As an important research field, the dynamic response of structures is getting increasing interests.

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  • 本文利用弹--塑性材料力学模型,对动态扩展裂纹尖端指数奇异对数奇异性进行分析

    An elastic viscoplastic material model was adopted to the asymptotic analysis on power law and logarithmic singularity of dynamic growing crack tip.

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  • 从而本文揭示了幂硬化粘塑性材料平面剪切动态扩展裂纹尖端渐近行为

    Therefore the asymptotic behaviour near a anti-plane share dynamic propagating crack-tip field in power-law-viscoplastic material is revealed.

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  • 采用刚粘塑性动力有限元模拟动态过程,获得轧制过程中的分布量计算结果。

    First, the paper presents the simulation of ring rolling processes by rigid-viscoplastic dynamic finite element method and the H-RING code.

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  • 地铁制动电阻非线性动态应力作用下发生塑性变形

    Being forced by the nonlinear dynamic thermal stress, slices of the subway's brake resistor generated large elastic plastic deformation.

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  • 采用动态光交联法制PP/EPDM塑性弹性体

    PP/ethylene-propylene-diene terpolymer (EPDM) thermoplastic elastomer was prepared by the dynamic photocrosslinking method.

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  • 选用硫磺硫化体系动态硫化法制备PVC/PNBR塑性弹性体。

    PVC/PNBR TPE was prepared by the method of dynamic curing and the vulcanization system of sulphur.

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  • 利用大型非线性有限元MARC ,对某自动迫击炮浮动闭气结构进行三维装配体有限元建模动态塑性分析,获得了关键闭气构件的应力、塑性应变和变形的动态响应。

    D assembly FE modeling and dynamic elastoplastic analysis are carried out for the obturator structure of a floating gun breech mechanism by using nonlinear finite element code MSC MARC.

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  • ANSYS/LS-DYNA求解器动态模拟铆钉成形过程塑性单元变形过程,计算出铆钉各个单元应力应变

    The process of forming and changing of plastic elements is simulated by ANSYS/LS-DYNA solver, and also computes the distributing of element stresses and element strains.

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  • 利用透射电镜原位动态拉伸方法观察分析裂纹尖端塑性变形裂纹扩展过程影响

    The influence of hydrogen on the deformation ahead of crack tip and crack propagation were in-situ observed and analyzed under TEM during dynamic tensile deformation of engineering structure steel.

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  • 利用透射电镜原位动态拉伸方法观察分析裂纹尖端塑性变形裂纹扩展过程影响

    The influence of hydrogen on the deformation ahead of crack tip and crack propagation were in-situ observed and analyzed under TEM during dynamic tensile deformation of engineering structure steel.

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