Physical Properties of Wood from Steamed Eucalyptus grandis Logs

被引：1

作者：

Martins Rodrigues, Paula Lucia ^{[1
]}

Durgante Severo, Elias Taylor ^{[1
]}

Calonego, Fred Willians ^{[1
]}

Alonso Pelozzi, Melany Maria ^{[1
]}

de Figueiredo Latorraca, Joao Vicente ^{[2
]}

机构：

[1] Univ Estadual Paulista, Dept Ciencias Florestais, UNESP, Fazenda Expt Lageado S-N, BR-18610307 Botucatu, SP, Brazil

[2] UFRRJ, Dept Prod Florestais, Seropedica, RJ, Brazil

来源：

FLORESTA E AMBIENTE | 2018年 / 25卷 / 01期

关键词：

steaming; maximum swelling; wood density;

D O I：

10.1590/2179-8087.019515

中图分类号：

S7 [林业];

学科分类号：

0829 ; 0907 ;

摘要：

This study aimed to evaluate the effect of log steaming on the physical properties of Eucalyptus grandis Hill ex Maiden wood. Logs with diameters between 20 and 25 cm and length of 2.9 m were studied. Half the logs were maintained in their original condition, and the other half were steamed at 90 degrees C for 20 hours. Later, the logs were sawn into flat boards, and samples were removed to determine the physical properties of the wood. The results showed that log steaming caused a significant decreases of: (1) 6.38% and 7.98% in the respective basic and oven dried density; and (2) 7.20%, 7.80%, 5.13%, and 8.56% in the volumetric, tangential, radial, and axial linear swelling of wood.

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页数：5

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