A Review of Microwave Thermography Nondestructive Testing and Evaluation

Sensors
Hong ZhangGui Yun Tian

Abstract

Microwave thermography (MWT) has many advantages including strong penetrability, selective heating, volumetric heating, significant energy savings, uniform heating, and good thermal efficiency. MWT has received growing interest due to its potential to overcome some of the limitations of microwave nondestructive testing (NDT) and thermal NDT. Moreover, during the last few decades MWT has attracted growing interest in materials assessment. In this paper, a comprehensive review of MWT techniques for materials evaluation is conducted based on a detailed literature survey. First, the basic principles of MWT are described. Different types of MWT, including microwave pulsed thermography, microwave step thermography, microwave pulsed phase thermography, and microwave lock-in thermography are defined and introduced. Then, MWT case studies are discussed. Next, comparisons with other thermography and NDT methods are conducted. Finally, the trends in MWT research are outlined, including new theoretical studies, simulations and modelling, signal processing algorithms, internal properties characterization, automatic separation and inspection systems. This work provides a summary of MWT, which can be utilized for material failures prevention ...Continue Reading

References

Jul 12, 2014·Sensors·Rubén UsamentiagaFrancisco G Bulnes

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Methods Mentioned

BETA
delamination
irradiate
X-ray

Software Mentioned

MWT
MultiPhysics studio
CST Microwave studio
MLT
CST MultiPhysics Studio
MPT
FLIR
ALTAIR
MST

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