Nondestructive Evaluation of Hidden Damages in Glass Fiber Reinforced Plastic by Using the Terahertz Spectroscopy

被引：21
作者：
Kim, Do-Hyoung [1 ]
Ryu, Chung-Hyeon [1 ]
Park, Sung-Hyun [1 ]
Kim, Hak-Sung [1 ,2 ]
机构：
[1] Hanyang Univ, Dept Mech Convergence Engn, 222 Wangsimni Ro, Seoul 04763, South Korea
[2] Hanyang Univ, Inst Nano Sci & Technol, 222 Wangsimni Ro, Seoul 04763, South Korea
来源：
INTERNATIONAL JOURNAL OF PRECISION ENGINEERING AND MANUFACTURING-GREEN TECHNOLOGY | 2017年 / 4卷 / 02期
基金：
新加坡国家研究基金会;
关键词：
Non-destructive evaluation; Glass fiber reinforced plastic; Delamination; Failure modes; COMPOSITE-MATERIALS;
D O I：
10.1007/s40684-017-0026-x
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
In this work, the terahertz (THz) spectroscopy system was used for the detecting and evaluation of hidden damages in a glass fiber reinforced plastic (GFRP). The interaction between THz and the GFRP was analyzed including the effects of reflecting, scattering and absorption of THz radiations with respect to the type of hidden damage. Both the transmission and reflective configurations were used to investigate the hidden damages including the delamination, fiber fracture and moisture absorption. Finally, the hidden damages inside of the composite laminates were successfully imaged simultaneously based on the time -domain spectroscopy of THz radiation. Additionally, the moisture absorption damage in the GFRP could be detected by analyzing of the frequency domain spectrum. It is expected that the developed THz nondestructive evaluation (NDE) technique can be widely used to evaluate the health of the composite structures.
引用
收藏
页码：211 / 219
页数：9
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