Real-time measurement of vibrational properties and fine structural properties of wood at high temperature |
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| Authors: | Y Kubojima M Wada Y Suzuki M Tonosaki |
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| Institution: | (1) Forestry and Forest Products Research Institute, Ministry of Agriculture, Forestry and Fisheries, P. O. Box 16, Tsukuba Norin Kenkyu Danchi-nai, Ibakaki 305–8687, Japan e-mail: kubojima@ffpri.affrc.go.jp Tel.: +81-298-73-3211 Ext. 576; Fax: +81-298-73-3798, JP;(2) Graduate School of Agricultural and Life Sciences, The University of Tokyo, 1-1-1 Yayoi, Bunkyo-ku, Tokyo 113–8657, Japan, JP;(3) Forestry and Forest Products Research Institute, Ministry of Agriculture, Forestry and Fisheries, |
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| Abstract: | Vibrational properties and fine structural properties of wood were measured at high temperatures. Sitka spruce (Picea sitchensis Carr.) and Shioji (Japanese ash, Fraxinus spaethiana Lingelsh.) were used as specimens. The specimens, the system to support them, a magnetic driver, and a deflection sensor
were in an electric drying oven, where vibration tests were conducted. The heating temperatures ranged from room temperature
to 200 °C in 25 °C increments in both heating and cooling processes. X-ray diffractometry was carried out using positive sensitive
proportional counter (PSPC) at room temperature to 200 °C in 20 °C increments in both heating and cooling processes.
Received 13 December 1999 |
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