• The adiabatic shearing phenomena were often found in metallic materials under high-strain, high-strain-rate deformation.

    绝热剪切金属材料应变速率变形条件常见的一种现象

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  • In addition, to be integrable, the classical dynamic institution for high-strain-rate materials is decoupled and natural strain is introduced.

    同时便于积分,经典的高应变材料动态本构关系中,使应变强化项应变率项相互解,并引入自然应变形式。

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  • Half of the victims have been hospitalised, a high rate that may indicate an especially virulent strain of E. coli.

    半数受害者住院,如此住院表明这可能一种毒性特别强的大肠杆菌菌株

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  • While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.

    等效应变速率较大时,变形热效应对流动应力影响相当显著,压缩过程基本上成为绝热过程。

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  • Strong earthquakes occurred in the high-value region and its margins of shear strain rate, especially in the high-value region of shear strain rate in accordance with tectonic deformation background.

    强震通常发生剪切应变及其边缘尤其是构造变形背景一致应变率高值区。

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  • Further more, mechanical facture will take place if the local strain rate is high enough.

    局部应变速率继续升高时,发生机械断裂

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  • The fatigue crack closure and fatigue crack growth rate in the high strain region of SCT specimen are studied.

    本文研究了SCT试样应变区的疲劳裂纹闭合效应疲劳裂纹扩展速率

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  • High strain rate will occur at the tip of a growing crack, whether quasi-static or dynamic growth, due to the existence of strain singularity.

    扩展裂纹尖端无论是准静态扩展还是动态扩展由于应变奇异性存在出现较高应变速率

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  • The results showed that human cortical bone behaved as a non linear viscoelastic material even at high strain rate.

    结果表明即使应变率下,密质具有非线性粘弹性材料的特性。

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  • Because of the difficulty of concrete high strain rate experimental techniques, there are many disputes about how to describe the dynamic mechanics properties of concrete.

    由于混凝土应变实验技术困难,目前对于混凝土动态力学行为的描述存在较大争议。

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  • The flow stress of 7A60 ultra high strength aluminum alloy was studied by isothermal compress test at constant strain rate.

    采用等温应变速率压缩试验7A60超高强度铝合金流动应力进行了研究。

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  • Based on the isothermal constant strain-rate compression tests, the flow stress of a ultra high strength aluminum alloy was researched.

    采用等温应变速率压缩试验超高强度铝合金流动应力规律进行了研究。

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  • The fracture strain energy density at the high strain rate is mainly determined by the initial elastic modulus and the unstable strain and affected by the temperature and the strain rate.

    应变下,断裂应变密度主要初始弹性模量稳应变共同决定温度效应和应变率效应的综合影响。

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  • The absorbed energy property and deformation characteristic of magnesium alloy under high strain rate loading are described.

    介绍了应变载荷条件镁合金特性变形特征

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  • This improved SHPB method was applied to determine the compressive dynamic mechanical response of aluminum foams at high strain rate.

    利用改进SHPB技术对泡沫进行了应变率下动态压缩实验。

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  • Moreover, the characteristics of stress waves propagating in concrete structures are essentially dependent on the rate-dependent constitutive relation of concrete materials under high strain-rates.

    然而混凝上结构中的应力传播特性实际上依赖混凝土应变的率型本构关系

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  • They also show that a finer grain size can be obtained by dynamic recrystallization during superplastic deformation at a high strain rate, but the total elongation to failure is limited in about 135%.

    合金应变速率变形通过动态再结晶获得细的晶粒尺寸,其断裂延伸率在135%左右。

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  • The current status of research on high strain rate superplasticity of magnesium alloys is then examined, and several problems to be solved and future directions are suggested.

    综述镁合金塑性研究进展,总结了镁合金超塑性变形的微观机理,评述了镁合金应变速率超塑性的研究状况提出了几个需要解决的问题研究方向。

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  • Nevertheless, there are not enough time for the effective growth of the cracks because of slow dissolution rate and relative high strain rate. Therefore, the SCC susceptibilities are also low.

    但是较慢溶解速率以及相对应变速率使得裂纹没有足够时间发生有效扩展应力腐蚀敏感性仍然较低。

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  • Additional, the crystallization of natural rubber with high strain rates was investigated to answer the effects of strain rate on the crystallization kinetics and the crystal morphology.

    另外研究橡胶网络高速拉伸场下结晶过程,回答应变速率结晶动力学晶体形态影响作用

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  • The recent development of the high strain rate superplasticity(HSRS), its deformation mechanism and commercial applications are reviewed in the paper.

    综述应变速率超塑材料及其变形机理工业应用最新进展

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  • Meanwhile, the superplasticity of glass-ceramics and nanostructured ceramics were also presented. The high strain rate superplasticity was summarized particularly.

    同时介绍玻璃陶瓷、纳米陶瓷的超塑性,并兼顾了一些结构陶瓷在应变速率下的超塑性。

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  • On the other hand, in the case of high strain rate, both overshoot and undershoot do not appear.

    一方面,应变下冲不会出现。

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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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  • The dominant process of superplastic deformation is fine grain boundary sliding, and an appropriately small amount of liquid phase can enhance the high strain rate superplasticity of the composite.

    塑性变形主要机制细小晶粒晶界滑动适当的微量液相有利于复合材料应变速率塑性

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  • The theoretical rules among the high temperature performance of the brazing alloy, strain rate an…

    分析钎料高温性能应变速率、钴变质剂作用等因素之间理论规律

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  • The dynamic split tests of marble using both Brazilian disc and flattened Brazilian disc were performed at high strain rate with split Hopkins pressure bar(SHPB) of 00mm diameter.

    利用直径00mm分离式Hopkinson大理岩巴西圆盘和平台巴西圆盘试样进行动态劈裂实验

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  • The dynamic split tests of marble using both Brazilian disc and flattened Brazilian disc were performed at high strain rate with split Hopkins pressure bar(SHPB) of 00mm diameter.

    利用直径00mm分离式Hopkinson大理岩巴西圆盘和平台巴西圆盘试样进行动态劈裂实验

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