Imaging of Internal Defects of Polymer-Modified Wood Using Total Focusing Method

Polymer modification can improve the stability and corrosion resistance of wood, but it could create defects inside wood during the modification processing. Detection of defects inside polymer-modified wood can reduce wood losses and prevent the occurring of defects. Data simulation and tomographic...

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Bibliographic Details
Published in:Advances in polymer technology 2019-01, Vol.2019 (2019), p.1-7
Main Authors: Jiao, Guizhong, Zhou, Hongwei, Zhou, Hongju, Sun, Liping, Ma, Ling
Format: Article
Language:English
Subjects:
Advanced manufacturing technologies
Composite materials
Computer simulation
Construction
Corrosion resistance
Data simulation
Defects
Electric waves
Electromagnetic radiation
Electromagnetic scattering
Electromagnetic waves
Electromagnetism
Friction stir welding
Humidity
Imaging
Manufacturing
Methods
Nondestructive testing
Polymer industry
Polymers
Product testing
Software
Ultrasonic transducers
Wood
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Summary:Polymer modification can improve the stability and corrosion resistance of wood, but it could create defects inside wood during the modification processing. Detection of defects inside polymer-modified wood can reduce wood losses and prevent the occurring of defects. Data simulation and tomographic imaging of polymer-modified wood internal defects were carried out using electromagnetic waves with nondestructive testing. This study constructed the polymer-modified wood models, simulated the electromagnetic scattering wave, and used the total focusing method to perform tomography of the defects in the polymer-modified wood. By analyzing the imaging characteristics of different types of defects, the effectiveness of electromagnetic waves in the detection of internal defects of polymer-modified wood was proved. This method can be extended to test internal defects of other high molecular polymers.
ISSN:0730-6679
1098-2329
DOI:10.1155/2019/1045280