Effect of Electron-beam Radiation on Properties of Oriented Poly (ether-ether-ketone)

被引：0
|
作者：
Ding R. [1 ,3 ]
Cao D. [2 ]
Xu L. [1 ]
Wang Z. [1 ]
Li J. [2 ]
Ma H. [1 ]
机构：
[1] Shanghai Institute of Applied Physics, Chinese Academy of Sciences, Shanghai
[2] CGN-DELTA (Taicang) Testing Technology Co., Ltd., Suzhou
[3] University of Chinese Academy of Sciences, Beijing
来源：
Ma, Hongjuan (mahongjuan@sinap.ac.cn) | 1600年 / Chinese Journal of Materials Research卷 / 34期
基金：
中国国家自然科学基金;
关键词：
Crystallization behavior; Organic polymer materials; Poly(ether-ether-ketone); Radiation aging; Thermal stability;
D O I：
10.11901/1005.3093.2020.148
中图分类号：
学科分类号：
摘要：
The effect of electron-beam (EB) radiation on the properties of oriented PEEK sheets in air at room temperature were investigated herein. While the effect of different absorbed doses of EB on the crystallinity, thermal stability, mechanical properties and thermal shrinkage properties of PEEK sheets in the direction of stress (parallel direction) and perpendicular to the direction of stress (vertical direction) was assessed by means of X-ray diffractometer (XRD), thermogravimetric analysis (TGA), differential scanning calorimetry (DSC) and a universal tension machine. The results show that the crystallization temperature, melting enthalpy and crystallinity of the samples decreased with the increasing absorbed doses within the designed absorbed dose range. The thermal stability of the samples decreased with the increasing absorbed doses. The tensile stress and elongation at break in the parallel and vertical directions of the irradiated samples in air decreased with the increasing absorbed doses. The thermal shrinkage ratio of the samples after irradiation in the parallel direction was twice as high as that in the vertical direction, and was constant in these two directions under different absorbed doses. © 2020, Editorial Office of Chinese Journal of Materials Research. All right reserved.
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页码：822 / 828
页数：6
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