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Title: Ultrasound Transmission Times in Biologically Deteriorated Wood
Author: Senalik, Christopher Adam; Ross, Robert J.; DeGroot, Rodney;
Source: In: Proceedings: 19th International Nondestructive Testing and Evaluation of Wood Symposium. 14 p.
Publication Series: Paper (invited, offered, keynote)
Description: The use of a variety of stress wave transmission techniques for the in-service condition assessment of deteriorated wood is well documented. This paper summarizes results from an extensive study designed to examine the relationship between ultrasound transmission times and the deterioration of exposed wood. Two hundred seventy (270) southern pine lumber specimens were evaluated nondestructively using a through transmission ultrasound technique after field exposure for periods of up to fifty seven (57) months. Ultrasound transmission times increased with exposure time. Several statistical models of the relationship between transmission time and length of exposure were developed and are presented.
Keywords: International Nondestructive Testing and Evaluation of Wood Symposium, nondestructive testing, nondestructive evaluation, wood, wood products
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Senalik, Adam; Ross, Robert; DeGroot, Rodney C. 2015. Ultrasound transmission times in biologically deteriorated wood. In: Ross, Robert J.; Gonçalves, Raquel; Wang, Xiping; eds. USDA Forest Service, Forest Products Laboratory, General Technical Report, FPL-GTR-239, 2015 Proceedings: 19th International Nondestructive Testing and Evaluation of Wood Symposium. pp. 29-42.
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