采用冻胶纺丝-超拉伸技术纺制了超高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.
高相对分子质量聚乙烯的增塑熔纺,由于聚合物浓度较高,大分子缠结多,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.
还借助扫描电子显微镜(SEM)、热分析( DSC)、广角X射线衍射( WAXD)、声速等手段研究了UHMWPE熔纺丝在超拉伸过程中结构性能的变化。
The changing of the structure and properties of UHMWPE fibres during super drawing were studied by means of SEM, DSC, WAXD and sound pulsimeter.
随着超细硅灰石用量的增大,体系的拉伸强度、耐热性能和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.
通过恒速拉伸试验,对一种生产保持架用铅黄铜的准超塑性进行研究。
The quasi-superplasticity of leaded brass for bearing cage was investigated through the constant velocity tensile test.
研究了由一类均匀各向同性的可压缩超弹性材料组成的球体在给定的表面拉伸作用下的球对称变形问题。
A spherical symmetric deformation problem was examined for a solid sphere subjected to a prescribed uniform radial stretch on its surface.
本文研究了含中心微孔的超弹性矩形板在单向拉伸时的有限变形和受力分析。
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.
为了获取超弹性力学特性的参数,通常采用对材料进行单、双向拉伸、压缩等实验获取数据。
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.
采用该方法对TC6合金进行高温拉伸实验,研究其超塑性性能。
The superplasticity of TC6 alloy was studied by adopting this method in high temperature tensile test.
第五章中,研究了具有缺陷的不可压超弹性材料组成的球体在表面均布的拉伸死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.
研究讨论缺陷对于拉伸变形的颈缩、稳定性的作用,这有利于正确理解和掌握超塑性拉伸变形过程。
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.
在挂锤式拉伸试验机上对LY 12CZ铝合金进行了超塑性试验,研究了其应变速率变化规律。
Super plastic deformation of LY12CZ aluminum alloy was tested on tensile machine with hung hammer and the law of strain rate change was studied.
实验结果表明,孔洞是由于超塑性拉伸变形中品界滑动不协调而引起的。
Experimental results indicate that cavities are formed during superplastic deformation due to the inconsistency of grain boundary sliding.
本文分析了由于温度的波动及初始晶粒尺寸差异对超塑性拉伸过程的影响。
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.
本文应用超弹性材料的有限变形理论分析了在面内等双向拉伸死载荷作用下不可压热超弹性方形薄板发生非对称变形的分岔及其稳定性问题。
Bifurcation and stability of asymmetric deformations of equal-biaxial stretching of a thin elastic square sheet was examined within the framework of finite elasticity.
这类超弹性-塑性材料中可以发生空穴的生成现象,得到了在表面拉仲作用下球体中空穴生成时空穴半径与临界拉伸之间的关系式和临界拉伸。
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.
当被保护系统超压时,爆破片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.
该文研究了由两个不可压热超弹性球体组合而成的物体在突加表面均布拉伸载荷作用下空穴的动态生成问题。
Dynamical cavitation in a spheroid composed of two incompressible thermal-hyperelastic Gent-Thomas materials under boundary dead-loading is examined.
实验结果表明,该合金具有较好的超塑性,采用该方法进行实验,能缩短拉伸实验的时间,并且可以获得良好的伸长率。
The results indicate that the alloy has good superplasticity. Using this method can shorten the time of tensile test and get a good elongation.
通过单轴拉伸与平面拉伸试验,得到了柔性接头弹性件橡胶材料“三阶五项式冶超弹本构模型参数,通过有限元计算证明了该模型的优越性。
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.
通过单轴拉伸与平面拉伸试验,得到了柔性接头弹性件橡胶材料“三阶五项式冶超弹本构模型参数,通过有限元计算证明了该模型的优越性。
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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