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Wood Science and Technology

Erschienen in:

29.10.2019 | Original

Microwave-induced thermoacoustic imaging of wood: a first demonstration

verfasst von: Dan Zhang, Hang He, Chujing Zong, Yunfei Liu

Erschienen in: Wood Science and Technology | Ausgabe 6/2019

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Abstract

Hollow decay is the main problem that affects healthy tree growth and significantly reduces the subsequent practical value of wood. In this work, for the first time, an effective microwave-induced thermoacoustic imaging technology adopted for wood specimens is proposed. The thermoacoustic principle combines microwaves and ultrasonic waves and relies on the microwave penetrating ability and high spatial resolution to generate an ultrasonic excitation source from wood. Thermal ultrasonic imaging technology and high imaging precision present the detection results rapidly, allowing quick, effective, and easy evaluation. This also is the first demonstration of wood microwave-induced thermoacoustic imaging.

Vorheriger Artikel Conservation process of archaeological waterlogged wood studied by spectroscopy and gradient NMR methods

Nächster Artikel Fractography combined with unsupervised pattern recognition of acoustic emission signals for a better understanding of crack propagation in adhesively bonded wood

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Titel: Microwave-induced thermoacoustic imaging of wood: a first demonstration
verfasst von: Dan Zhang
Hang He
Chujing Zong
Yunfei Liu
Publikationsdatum: 29.10.2019
Verlag: Springer Berlin Heidelberg
Erschienen in: Wood Science and Technology / Ausgabe 6/2019
Print ISSN: 0043-7719
Elektronische ISSN: 1432-5225
DOI: https://doi.org/10.1007/s00226-019-01131-x

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