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Relationship between Chemical Retention and Velocity of Air-Coupled Ultrasonic Waves in Fire-Retardant-Treated Wood
- Source :
- BioResources. 12
- Publication Year :
- 2017
- Publisher :
- BioResources, 2017.
-
Abstract
- The ultrasonic wave velocities in wood impregnated with a fire-retardant chemical were measured via a non-contact method. An air-coupled ultrasonic wave was made to propagate along the radial direction of the wood. The wave velocities in the wood samples after chemical impregnation were larger than those before impregnation. With increased chemical concentration, the relative changes in the velocities increased to a maximum of 16.3%, and these velocity changes exhibited a strong correlation with the chemical retention. These findings suggest that it is possible to evaluate the uniformity distributions of chemicals in fire-retardant-treated wood via a non-contact and nondestructive method based on air-coupled ultrasonics.
- Subjects :
- 040101 forestry
0106 biological sciences
Chemical concentration
Environmental Engineering
Materials science
business.industry
Wave velocity
Bioengineering
04 agricultural and veterinary sciences
01 natural sciences
Radial direction
010608 biotechnology
Nondestructive testing
0401 agriculture, forestry, and fisheries
Ultrasonic sensor
Composite material
Air coupled
business
Waste Management and Disposal
Fire retardant
Subjects
Details
- ISSN :
- 19302126
- Volume :
- 12
- Database :
- OpenAIRE
- Journal :
- BioResources
- Accession number :
- edsair.doi...........d834e49b475e24524afcb68929fd7989