Phase sensitive modulation thermography and its applications for NDE

被引：27
|
作者：
Wu, DT
Salerno, A
Schonbach, B
Hallin, H
Busse, G
机构：
来源：
THERMOSENSE XIX: AN INTERNATIONAL CONFERENCE ON THERMAL SENSING AND IMAGING DIAGNOSTIC APPLICATIONS | 1997年 / 3056卷
关键词：
lockin thermography; non destructive evaluation; quality control; defect detection; ultrasonic welding; composites materials; phase angle imaging;
D O I：
10.1117/12.271641
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The advantages of phase sensitive modulation thermography (also called lockin thermography) are here illustrated together with some applications of non destructive evaluation (NDE) on advanced materials and large structures. Lockin thermography has shown to be a versatile tool for rapid inspection of large surfaces and detection of defects in materials where other NDE techniques are not able to give good results. Besides this, the phase angle image eliminates many undesired effects like inhomogeneous distribution of surface heating that make images obtained with pulse thermography difficult to interpret.
引用
收藏
页码：176 / 183
页数：6
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