双轴拉伸

1
biaxial drawing
... 单轴拉伸uniaxial drawing， 双轴拉伸biaxial drawing 多轴拉伸multiaxial drawing ...
2
biaxial stretching
... 双轴拉伸;双轴取向拉伸;biaxial stretching 涂膜;paint film;film 膜;membrane ...

短语

1
料坯，其生产方法，和从该料坯制造的双轴拉伸容器。
Preform, its manufacturing method, and container produced by biaxially stretching the preform.
2
采用双轴拉伸试验方法测定了PVC膜材的广义泊松比，验证了广义泊松比的非线性特征。
The generalized Poisson's ratio is measured using the results of biaxial tensile tests of PVC membrane materials, which verifies the nonlinear characteristics of generalized Poisson's ratio.
3
本文用电子显微镜和偏光显微镜研究双轴拉伸聚对苯二甲酸乙二酯（PET）形态结构对透气性能的的影响。
In this paper, influence of the morphology of polyethyleneterephthalate (PET)films under biaxial stretching on the gas permeability has been investigated by using polaris cope and electron microscope.

双轴拉伸
双轴拉伸（biaxial drawing）在制造薄膜或板材时沿着其平面的纵横两个方向的拉伸。经双轴拉伸后，高分子链倾向于与薄膜平面平行的方向排列，而在平面内分子链的方向是无规则的。这样在膜面的各方面上强度均匀，并比未拉伸前强度大大提高，不易破裂。

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