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Manufacture of Crack-free Carbonized Board from Fiberboard  

Park, Sang-Bum (Dept. of Forest Products, Korea Forest Research Institute)
Lee, Sang-Min (Dept. of Forest Products, Korea Forest Research Institute)
Park, Jong-Young (Dept. of Forest Products, Korea Forest Research Institute)
Lee, Seon-Hwa (Dept. of Forest Products, Korea Forest Research Institute)
Publication Information
Journal of the Korean Wood Science and Technology / v.37, no.4, 2009 , pp. 293-299 More about this Journal
Abstract
In manufacturing the crack-free carbonized boards using fiberboards, shrinking ratio, weight loss and density variation of carbonized boards at each carbonization temperature were investigated. Fiberboards with thickness of 3, 4.5, 6, and 18 mm were carbonized while pressed with pressure plates at different temperature from $400^{\circ}C$ to $1,000^{\circ}C$ using a ordinary laboratory furnace. Either of crack or twist was not observed in fiberboards by adapting the pressing carbonization method. The ratios of shrinkage of length, width, and thickness were 10~25%, 12~25%, and 28~48%, respectively, and shrinkage ratio of thickness was higher than those of length and width with increasing the carbonization temperature. Weight loss tended to increase with increasing the carbonization temperature, but low correlation between weight loss in thickness of fiberboards and carbonization temperature was observed. Density of 3 mm carbonized hardboard had the highest value and it tended to increase with increasing the carbonization temperature.
Keywords
fiberboard; crack-free carbonization method; carbonized board; shrinkage; weight loss; laboratory furnace;
Citations & Related Records
Times Cited By KSCI : 6  (Citation Analysis)
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