Defect detection in CFRP by infrared thermography with CO2 Laser excitation compared to conventional lock-in infrared thermography

被引：27
|
作者：
Keo, Sam Ang [1 ,2 ]
Brachelet, Franck [1 ,2 ]
Breaban, Florin [1 ,3 ]
Defer, Didier [1 ,2 ]
机构：
[1] PRES Lille Nord France, Lab Genie Civil & GeoEnvironm, Lille, France
[2] Fac Sci Appl, F-62400 Bethune, France
[3] Inst Univ Technol, F-62400 Bethune, France
来源：
COMPOSITES PART B-ENGINEERING | 2015年 / 69卷
关键词：
Carbon fiber; Defects; Non-destructive testing; CO2; Laser; CONCRETE;
D O I：
10.1016/j.compositesb.2014.09.018
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
This paper presents a NOT by a CO2 Laser infrared thermography applied to defect detection in CFRP. The CO2 Laser is an infrared laser with the wavelength of 10.6 mu m. This excitation has a controllable heating beam by a geometric relation D = 0.01575.d, which allows to heat the samples at a specific position (placed at the distance "d") and area (of a diameter "D"). The PPT interpretation principle was used to reduce the non-uniformity's effect of the excitation causing inhomogeneous heat. The test with this excitation is much faster than the tests with conventional lock-in thermography method. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：1 / 5
页数：5
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