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Wood decay Detection by Non-destructive Methods  

Son, Dong-Won (Korea Forest Research Institute)
Lee, Dong-Heub (Korea Forest Research Institute)
Publication Information
Journal of the Korean Wood Science and Technology / v.32, no.4, 2004 , pp. 74-81 More about this Journal
Abstract
The ultrasonic non-destructive method was used for wood decay test. The temperature change and moisture contents of wood were estimated how the ultrasonic wave velocity changes. The relationship between weight loss of wood decayed by T. palustris and ultrasonic wave velocity was investigated. The non-destructive methods of different condition of logwood were estimated. Decay map of old wood was made by non destructive methods. Through these tests, we can accumulate the data to judge the degree of wood decay. The decay map of wood could be used for the analysis of old wood.
Keywords
ultrasonic non-destructive methods; weight loss of wood; ultrasonic wave transmission time of log wood; decay map of wood;
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