基于THz-TDS的碳纤维复合材料无损检测  

Nondestructive inspection of carbon fiber composite materials based on THz- TDS

作　　者：廖晓玲[1] 王强[1] 谷小红[2] 陈锡爱[2] 

机构地区：[1]中国计量学院质量与安全工程学院,浙江杭州310018 [2]中国计量学院机电工程学院,浙江杭州310018

出　　处：《激光与红外》2015年第10期1255-1260,共6页Laser & Infrared

基　　金：浙江省自然科学基金(No.LY14E040002;No.LQ14F05003);质检公益性行业科研专项(No.201410025)资助

摘　　要：基于反射式THz-TDS成像技术对碳纤维缠绕增强复合材料缺陷进行无损检测实验,获得不同缺陷碳纤维样品的成像结果及数据。结果表明,反射式THz-TDS成像技术在0.1~3.5 THz波段对碳纤维复合材料中的热损伤、划伤缺陷、磨损缺陷及孔洞缺陷成像清晰,分辨率较高;且获得的时域波形对样品热损伤缺陷敏感,适用于局部检测对整体性能的判断。The reflective THz-TDS imaging technology was used to perform non-destructive testing of carbon fiber winding reinforced composite material. The imaging and data of carbon fiber samples with different defects were obtained. The results show that the heat damage, scratch defect, wear defects and fiat-hole defect in carbon fiber composite material are clearly revealed by reflective THz-TDS imaging technology, and the imaging has high resolution. The time domain waveform is sensitive to thermal damage in samples, and this is especially suitable for determining the o- verall performance by local detection.

关 键 词：THz-TDS成像 碳纤维复合材料 无损检测 缺陷 

分 类 号：TB322[一般工业技术—材料科学与工程]