Texture changes of aluminum sheet after different uniaxial tensile deformations were investigated with the aid of the experimentally determined orientation distribution functions. 采用取向分布函数(ODF)研究了纯铝板材单轴拉伸过程中的织构演变规律。
In this review methods of determining polymer orientation using X-ray diffraction are described. It includes uniaxial and biaxial orientation, as well as their calculating methods. 介绍了用X射线衍射法测定结晶聚合物材料取向度定义,单轴和双轴取向及其计算方法。
Based on the analysis of 3 main stretching modes ( uniaxial, constant width and biaxial), the progress in the research on the orientation induced crystallization during stretching of poly ( ethylene terephtalate)( PET) is summarized. 综述了PET在3种拉伸方式(单轴拉伸、平面拉伸和双轴拉伸)下的取向诱导结晶的最新进展。
For the molecules which is of uniaxial orientation, all of Raman activity matrix elements have been calculated. The intensity distribution of Raman imaging for pendent drop and the ratio distribution of polarized Raman intensity used to determining molecular orientation have also been calculated and drawn out. 对具有单轴取向性的分子,推导出了全部Raman散射活性矩阵元,计算并绘制了Raman图像的光强分布以及确定分子取向的偏振光强比分布。
Effects of uniaxial orientation and molecular conformation on the molecular motions of nylon-6 晶区分子链构象及拉伸取向对聚酰胺-6分子运动的影响
Progress of recent studies on the deformation mechanism for spherulites of isotactic polypropylene ( I PP) in the uniaxial and biaxial orientation process was introduced. 介绍了近来国内外对单向、双向拉伸过程中全同立构聚丙烯(iPP)晶体内部球晶形变机理的研究进展。
Uniaxial orientation of LC N substituted polypyrrole can be formed by a friction technique. N取代液晶聚吡咯在摩擦力的作用下还可以诱发单轴取向。
ON DEFORMATION OF ARCHITECTURE In the uniaxial orientation, the I PP spherulite, the lamella, and the molecular chain were subject to deformation in response to the imparted stress. 单向拉伸过程中,为响应所施加的应力,iPP晶体内部的球晶、晶片、分子链等不同层次的结构均会产生相应形变。
Monodomain nematic elastomers has uniaxial orientation and can suffer a deformation as mush as 400%. 单域的向列型弹性体具有单一的向列取向,能产生高达400%的可恢复大变形。
In order to improve the shortcomings of PLA, in this work, the effect of uniaxial orientation process conditions on the crystallization and the oxygen permeability of pure and plasticized poly ( lactic acid) film had been investigated with PLA as raw material. 为了改善聚乳酸的缺点,本工作以聚乳酸(PLA)为原料,考察了不同的单轴取向工艺条件对聚乳酸及其增塑聚乳酸结晶和透氧性能的影响。
The variational trend of the curves for the angular dependence relation shows distinct differences in comparison to the case of the uniaxial anisotropy and exchange anisotropy parallelled if the orientation of applied stress is changed. 相比单轴各向异性与交换各向异性平行的交换偏置体系,改变外应力的方向,角度依赖关系曲线具有明显不同的变化趋势。