An evaluation of the performance of an uncooled microbolometer array infrared camera for transient thermography NDE

被引：22
|
作者：
Pickering, S. G. [1 ]
Almond, D. P. [1 ]
机构：
[1] Univ Bath, UK Res Ctr NDE, Dept Engn Mech, Bath BA2 7AY, Avon, England
来源：
NONDESTRUCTIVE TESTING AND EVALUATION | 2007年 / 22卷 / 2-3期
基金：
英国工程与自然科学研究理事会;
关键词：
transient thermography; NDE; FPA; SNR;
D O I：
10.1080/10589750701446484
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
Transient thermography images of artificial defects in a carbon fibre composite test piece obtained using a cooled focal plane array (FPA) infrared camera are compared with those obtained using an un-cooled microbolometer array camera. Signal to noise ratios of each defect image are computed to provide an objective comparison of the performances of the two cameras. The cooled FPA infrared camera exhibits a higher ultimate defect detection capability than the un-cooled microbolometer array camera but this camera has the advantages of much smaller size and lower cost.
引用
收藏
页码：63 / 70
页数：8
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