• 采用冻胶纺丝-超拉伸技术制了相对分子质量聚乙烯UHMWPE纤维

    Ultrahigh molecular weight polyethylene ( UHMWPE) fiber was prepared by gel spinning and ultra-drawing technology.

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  • 相对分子质量聚乙烯的增塑由于聚合物浓度较高大分子纤维超拉伸比较困难,难以达到高强度

    Plasticized melt - spun HMWPE fiber is hard to draw to high strength because of high HMWPE content and more molecular tangle in as-spun fibers.

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  • 还借助扫描电子显微镜(SEM)、分析( DSC)、广角X射线衍射( WAXD)、声速手段研究UHMWPE熔纺丝在拉伸过程结构性能变化

    The changing of the structure and properties of UHMWPE fibres during super drawing were studied by means of SEM, DSC, WAXD and sound pulsimeter.

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  • 随着硅灰石用量增大体系拉伸强度耐热性能加工性能都稍有下降

    The tensile strength, heat resistance and processability of the system decrease slightly with the increase of superfine wollastonite amount.

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  • 通过拉伸试验一种生产保持架黄铜塑性进行研究。

    The quasi-superplasticity of leaded brass for bearing cage was investigated through the constant velocity tensile test.

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  • 研究了由一类均匀各向同性的可压缩弹性材料组成的球体给定的表面拉伸作用下的对称变形问题

    A spherical symmetric deformation problem was examined for a solid sphere subjected to a prescribed uniform radial stretch on its surface.

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  • 本文研究了含中心微孔弹性矩形单向拉伸时的有限变形受力分析

    In the present paper, the finite deformation and stress analysis for a hyperelastic rectangular plate with a center void under a uniaxial extension is studied.

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  • 为了获取弹性力学特性参数通常采用材料进行单、双向拉伸、压缩实验获取数据。

    In order to obtain the mechanical properties of rubber's hyperelastic parameters, the general means is based on the traditional uniaxial tensile, biaxial stretching and other methods.

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  • 采用方法TC6合金进行高温拉伸实验,研究其塑性性能。

    The superplasticity of TC6 alloy was studied by adopting this method in high temperature tensile test.

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  • 第五,研究了具有缺陷不可压弹性材料组成球体表面均布的拉伸载荷作用下的径向运动问题

    In Chapter 5, problem of radial motion for a solid sphere composed of an imperfect incompressible hyper-elastic material, subjected to a surface tensile dead load, is examined.

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  • 研究讨论缺陷对于拉伸变形颈缩、稳定性作用有利于正确理解掌握塑性拉伸变形过程。

    So this paper will discuss the effect of defects on necking and stability of tensile deformation, which will help up to understand and master superplastic tensile deformation correctly.

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  • 拉伸试验机上对LY 12CZ铝合金进行塑性试验,研究应变速率变化规律

    Super plastic deformation of LY12CZ aluminum alloy was tested on tensile machine with hung hammer and the law of strain rate change was studied.

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  • 实验结果表明孔洞由于塑性拉伸变形滑动不协调而引起

    Experimental results indicate that cavities are formed during superplastic deformation due to the inconsistency of grain boundary sliding.

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  • 本文分析由于温度波动初始晶粒尺寸差异塑性拉伸过程影响

    In this paper, the effects of the temperature fluctuation and the initial grain size inhomogeneity on the deformation process in a superplastic tensile test have been analysed.

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  • 本文应用弹性材料有限变形理论分析了在面等双向拉伸死载荷作用下不可压热弹性方形薄板发生对称变形的分及其稳定性问题。

    Bifurcation and stability of asymmetric deformations of equal-biaxial stretching of a thin elastic square sheet was examined within the framework of finite elasticity.

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  • 弹性-塑性材料可以发生空穴的生成现象得到了表面仲作用下球体中空穴生成时空穴半径临界拉伸之间关系式和临界拉伸

    Cavitation phenomenon may be found in this elastic-plastic material. Formulae between the cavity radius and the stretch were obtained. The critical stretch was given too.

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  • 保护系统压时爆破沿薄弱环节拉伸破坏泄放压力从而起到保护作用。

    When the protected system overpressure, blasting sheet along the weak link tensile failure, relieving pressure, thus plays a role in protection.

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  • 该文研究两个不可压弹性球体组合而成物体突加表面均布拉伸载荷作用下空穴动态生成问题。

    Dynamical cavitation in a spheroid composed of two incompressible thermal-hyperelastic Gent-Thomas materials under boundary dead-loading is examined.

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  • 实验结果表明合金具有好的塑性采用方法进行实验缩短拉伸实验时间并且可以获得良好伸长率

    The results indicate that the alloy has good superplasticity. Using this method can shorten the time of tensile test and get a good elongation.

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  • 通过单拉伸平面拉伸试验得到了柔性接头弹性件橡胶材料“三式冶模型参数,通过有限元计算证明了该模型优越性。

    Planar and uniaxial tests were implemented to achieve 3nd order 5th item strain model constant of theelastomer and it is proved this model was superior to others.

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  • 通过单拉伸平面拉伸试验得到了柔性接头弹性件橡胶材料“三式冶模型参数,通过有限元计算证明了该模型优越性。

    Planar and uniaxial tests were implemented to achieve 3nd order 5th item strain model constant of theelastomer and it is proved this model was superior to others.

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