Drying Stress and Strain in Tension Wood: A Conventional Kiln Schedule to Efficiently Dry Mixed Tension/Normal Wood Boards in Poplar

被引：16

作者：

Tarmian, Asghar ^{[1
]}

Sepeher, Amir ^{[1
]}

Rahimi, Sohrab ^{[1
]}

机构：

[1] Univ Tehran, Dept Wood & Paper Sci & Technol, Fac Nat Resources, Karaj, Iran

来源：

DRYING TECHNOLOGY | 2009年 / 27卷 / 10期

关键词：

Drying stress; Normal wood; Poplar; Tension wood; GELATINOUS LAYER; TRANSVERSE SHRINKAGE; PHYSICAL-PROPERTIES; COMPRESSION WOOD; GROWTH STRESSES; FAGUS-SYLVATICA; CELL-WALLS; FIBERS;

D O I：

10.1080/07373930903218396

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

Orthotropic drying stresses of tension and normal wood in poplar were evaluated. The degree of residual stresses was interpreted by prong and slice cutting tests. A strain gauge was employed to determine longitudinal drying stresses. Mixed tension/normal wood boards were also dried using three different schedules, T8 F4, T8 F5, and T9 F4 to find the best schedule. Results revealed more intense drying stress in the longitudinal and radial directions of tension wood. Despite a high susceptibility of the mixed tension/normal wood boards to drying defects, the quality of the boards dried by the schedule of T9 F4 was satisfactory.

引用

页码：1033 / 1040

页数：8

共 19 条

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[2] STRESS-STRAIN STATE OF WOOD AT KILN DRYING
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[9] The impact of drying and steaming processes on surface color changes of tension and normal beech wood
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