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|Título:||INFLUENCE OF BOARDS DIAMETRICAL POSITION AND STEAMING ON THE DRYING DEFECTS OF Eucalyptus grandis|
|Autor:||Calonego, Fred Willians|
Severo, Elias Taylor Durgante
|Palavras-chave:||Eucalyptus grandis, drying defects, logs steaming, diametrical position|
|Outras Identificações :||http://www.cerne.ufla.br/site/index.php/CERNE/article/view/282|
|Descrição:||This study evaluated the Eucalyptus grandis drying defects acting on boards diametrical position and on log steaming. Half of the logs, with diameter from 20 to <25, 25 to <30 and 30 to <35cm, were steamed during 20 hours at 90ºC of temperature. Subsequently, the logs (control and steamed) were sawn. The boards were dried in the dry-kiln pilot and the resulting defects from the drying process were measured. The results indicate that: (1) the boards coming from control logs presented different magnitude defects in function of the diametrical position. The split and spring to increase in direction to pith, the bow to increase in direction tobark and cupping were bigger in intermediary boards; (2) the boards coming from steamed logs presented a reduction from drying defects in function of logs diameter and its more homogeneous index in the pith-bark direction.|
|Aparece nas coleções:||CERNE|
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