Modification of interfacial performance of Fiber Bragg grating embedded in the composite materials

被引：0

作者：

Ben Wang

Yugang Duan

Jinjian Li

Kan Gao

机构：

[1] Xi’an Jiaotong University,State Key Lab for Manufacturing Systems Engineering

[2] No. 23 Research Institute of China Electronic Technology Corporation Group,undefined

来源：

Journal of Wuhan University of Technology-Mater. Sci. Ed. | 2017年 / 32卷

关键词：

fiber Bragg gratings; composite; interfacial adhesion; smart composite materials;

D O I：

暂无

中图分类号：

学科分类号：

摘要：

The interfacial performance of the Fiber Bragg grating (FGB) embedded in the composite was studied and the influence of interface modification on the final profile of the spectra of the FBG sensor was examined. A type of polyamine (Pentaethylenehexamine, PEHA) was proposed to modify the coating of PI on FBG, and the interfacial performance was evaluated by a pull-out test. Sharp improvements of the interfacial shear strength (77%) were obtained by 40 min treatment of PEHA. Compared with untreated specimen, FGB spectra of treated specimen in the tensile tests show improved linearity within the test regime, which proves that the enhanced interface is beneficial for the sensing performance.

引用

页码：777 / 782

页数：5

共 25 条

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