Determination of high-temperature and low-humidity treatment time for larch boxed-heart timber

The larch boxed-heart timbers with a cross section of 100 × 100 mm were dried after steamed at 100 °C dry-bulb temperature and 0 °C wet-bulb depression for 5 h, and then dried at 120 °C dry-bulb temperature and 30 °C wet-bulb depression for 8, 12 and 16 h, respectively, in order to determine optimal...

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Bibliographic Details
Published inJournal of wood science Vol. 66; no. 1; pp. 1 - 4
Main Authors Kang, Chun-Won, Li, Chengyuan, Sun, Yao-Xing
Format Journal Article
LanguageEnglish
Published Singapore Springer Singapore 01.12.2020
Springer Nature B.V
SpringerOpen
Subjects
Biomedical and Life Sciences
Characterization and Evaluation of Materials
Drying
High temperature
Internal check
Life Sciences
Materials Science
Pretreatment
Pretreatment time
Surface check
Temperature
Wood Science & Technology
Surface check
Pretreatment time
Internal check
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Summary:The larch boxed-heart timbers with a cross section of 100 × 100 mm were dried after steamed at 100 °C dry-bulb temperature and 0 °C wet-bulb depression for 5 h, and then dried at 120 °C dry-bulb temperature and 30 °C wet-bulb depression for 8, 12 and 16 h, respectively, in order to determine optimal treatment time for the timber. This study indicated that the pretreatment of 12 and 16 h prevented both the surface and internal check of the timber. However, the pretreatment delayed drying time by at least 19%.
ISSN:1435-0211
1611-4663
DOI:10.1186/s10086-020-01867-2