Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood

This study investigated the application of heat to wood samples from Japanese cedar trees (Cryptomeria japonica) of small and medium diameters to evaluate the effects of both the temperature and duration of treatment on its surface, physical, and mechanical properties. The results indicate that the...

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Main Authors: Te-Hsin Yang, Feng-Rong Chang, Cheng-Jung Lin, Feng-Cheng Chang
Format: Article
Language:English
Published: North Carolina State University 2016-03-01
Series:BioResources
Subjects:
Online Access:http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_3947_Yang_Temperature_Duration_Heat_Treatment_Cedar
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author Te-Hsin Yang
Feng-Rong Chang
Cheng-Jung Lin
Feng-Cheng Chang
author_facet Te-Hsin Yang
Feng-Rong Chang
Cheng-Jung Lin
Feng-Cheng Chang
author_sort Te-Hsin Yang
collection DOAJ
description This study investigated the application of heat to wood samples from Japanese cedar trees (Cryptomeria japonica) of small and medium diameters to evaluate the effects of both the temperature and duration of treatment on its surface, physical, and mechanical properties. The results indicate that the density, moisture content, and hygroscopicity of the wood samples decreased as the treatment temperature and duration increased, and the mass loss increased under the same conditions. Additionally, the dimensional stability of the wood improved in response to increased temperatures and prolonged durations. These results suggest that heat treatment can be used to improve the dimensional stability of wood. The surface color of the wood darkened progressively with increasing treatment temperature and duration, and the hydrophobicity of the wood sample improved as a result of the heat treatment. In contrast to the untreated wood, the heat-treated wood exhibited decreased mechanical properties with an increase in the treatment temperature and duration.
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spelling doaj.art-6e4bf12f9ea44358b555681ffcda87fe2022-12-21T22:37:09ZengNorth Carolina State UniversityBioResources1930-21261930-21262016-03-011123947396310.15376/biores.11.2.3947-3963Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar WoodTe-Hsin Yang0Feng-Rong Chang1Cheng-Jung Lin2Feng-Cheng Chang3Department of Forestry, National Chung-Hsing University; Taiwan, Province of ChinaSchool of Forestry and Resource Conservation, National Taiwan University; Taiwan, Province of ChinaTaiwan Forestry Research Institute; Taiwan, Province of ChinaSchool of Forestry and Resource Conservation, National Taiwan University; Taiwan, Province of ChinaThis study investigated the application of heat to wood samples from Japanese cedar trees (Cryptomeria japonica) of small and medium diameters to evaluate the effects of both the temperature and duration of treatment on its surface, physical, and mechanical properties. The results indicate that the density, moisture content, and hygroscopicity of the wood samples decreased as the treatment temperature and duration increased, and the mass loss increased under the same conditions. Additionally, the dimensional stability of the wood improved in response to increased temperatures and prolonged durations. These results suggest that heat treatment can be used to improve the dimensional stability of wood. The surface color of the wood darkened progressively with increasing treatment temperature and duration, and the hydrophobicity of the wood sample improved as a result of the heat treatment. In contrast to the untreated wood, the heat-treated wood exhibited decreased mechanical properties with an increase in the treatment temperature and duration.http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_3947_Yang_Temperature_Duration_Heat_Treatment_CedarJapanese cedar (Cryptomeria japonica)Heat treatmentDimensional stabilityMechanical strentgHygroscopicity
spellingShingle Te-Hsin Yang
Feng-Rong Chang
Cheng-Jung Lin
Feng-Cheng Chang
Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
BioResources
Japanese cedar (Cryptomeria japonica)
Heat treatment
Dimensional stability
Mechanical strentg
Hygroscopicity
title Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
title_full Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
title_fullStr Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
title_full_unstemmed Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
title_short Effects of Temperature and Duration of Heat Treatment on the Physical, Surface, and Mechanical Properties of Japanese Cedar Wood
title_sort effects of temperature and duration of heat treatment on the physical surface and mechanical properties of japanese cedar wood
topic Japanese cedar (Cryptomeria japonica)
Heat treatment
Dimensional stability
Mechanical strentg
Hygroscopicity
url http://ojs.cnr.ncsu.edu/index.php/BioRes/article/view/BioRes_11_2_3947_Yang_Temperature_Duration_Heat_Treatment_Cedar
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