uniaxial orientation

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。

The influence of crystal orientation on crystal hardening and activity of slip system under uniaxial tension is studied according to the numerical results.

在数值计算的基础上研究了单轴拉伸下晶体的不同取向对单晶体硬化程度和滑移系激活情况的影响。

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。

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。