AN OBJECTIVE COMPARISON OF PULSED, LOCK-IN, AND FREQUENCY MODULATED THERMAL WAVE IMAGING

被引：0
|
作者：
Chatterjee, K. [1 ]
Tuli, S. [1 ]
Pickering, S. G. [2 ]
Almond, D. P. [2 ]
机构：
[1] Indian Inst Technol, Ctr Appl Res Elect, Delhi 110016, India
[2] Univ Bath, Dept Engn Mech, Uk Res Ctr NDE, Bath BA2 7AY, Avon, England
来源：
REVIEW OF PROGRESS IN QUANTITATIVE NONDESTRUCTIVE EVALUATION, VOLS 31A AND 31B | 2012年 / 1430卷
关键词：
Pulsed Thermography; Lock-in Thermography; FMTWI; Matched Energy Comparison; THERMOGRAPHY;
D O I：
10.1063/1.4716431
中图分类号：
O59 [应用物理学];
学科分类号：
摘要：
An objective comparison of three different thermal non-destructive evaluation (NDE) techniques - pulsed thermography (PT), lock-in (LI) thermography, and frequency modulated thermal wave imaging (FMTWI), has been carried out on a CFRP sample. The matched energy comparison shows that on the basis of computed SNR, the shallow defects are better detected by PT, while deeper defects are detected equally by all techniques.
引用
收藏
页码：1812 / 1815
页数：4
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