Shape memory effect of carbon fibers reinforced PEEK composite

被引：0

作者：

Zhu S. ^{[1
]}

Zhang J. ^{[1
]}

Wang C. ^{[1
]}

Yang X. ^{[1
]}

Wang P. ^{[1
]}

Guo H. ^{[1
]}

Wu H. ^{[1
,3
]}

Tong L. ^{[2
]}

机构：

[1] Carbon Fiber Composites International Joint Research Lab in Henan, Henan University of Technology, Zhengzhou

[2] School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, Sydney

[3] Zhengzhou Fangstring Advanced Material Science and Technology Company Limited, Zhengzhou

来源：

Fuhe Cailiao Xuebao/Acta Materiae Compositae Sinica | 2021年 / 38卷 / 09期

关键词：

PEEK; Shape memory composite; Shape reversion rate; Thermal stress; Ultrathin carbon fiber layer;

D O I：

10.13801/j.cnki.fhclxb.20201229.001

中图分类号：

学科分类号：

摘要：

In order to improve the application of shape memory polymers in extreme harsh environments, the ultrathin carbon fibers reinforced polyether-ether-ketone (CF/PEEK) composite with 0.036 mm thickness was fabricated by overlapping and hot-pressing technologies, and the shape memory behaviors of the composite under the action of thermal stress were investigated. The results show the shape recovery rate of CF/PEEK composite ultrathin laminate is approximately 100%, and still has above 90% reversion rate after 100 times tests of thermal cycling action at 320℃. The stress-driving deformation mechanism of CF/PEEK composite is explained based on the relationship between temperature and stress-strain. The CF/PEEK composites with variable thickness were designed to simulate the deformation and recovery of complex shapes, containing deep-sea coral, cube and pitcher plant. Using mechanical clamping force during the deformation of CF/PEEK composite, the grasping coin experiment was carried out, which verifies the application feasibility for the active deformed structure of CF/PEEK composite. © 2021, Editorial Office of Acta Materiae Compositae Sinica. All right reserved.

引用

页码：2832 / 2840

页数：8

共 38 条

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