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European Journal of Wood and Wood Products

Erschienen in:

01.07.2012 | Originals Originalarbeiten

Increased dimensional stability of Chinese fir through steam-heat treatment

verfasst von: Yongjian Cao, Jianxiong Lu, Rongfeng Huang, Jiali Jiang

Erschienen in: European Journal of Wood and Wood Products | Ausgabe 4/2012

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Abstract

Chinese Fir is one of the most commonly planted tree species in China. As a fast-growing species, the main drawback is dimensional instability, which limits its applications. Steam-heat treatment is one of the effective methods to improve the dimensional stability of wood. Heartwood and sapwood of Chinese fir were treated using thermal modification with steam that was used as a heating medium and a shielding gas at temperatures ranging from 170 to 230°C and length of time from 1 to 5 hours in an airtight chamber with an atmosphere comprising less than 2 per cent of oxygen. The effect of steam-heat treatment on anti-shrink efficiency and anti-swelling efficiency were examined. The results indicated that the dimensional stability of the wood was increased by 73% for heartwood and 71% for sapwood at 230°C for 5 hours, respectively.

Vorheriger Artikel Embedding strength in joints of fast-growing Argentinean Eucalyptus grandis with dowel-type fasteners. Analysis according to the criterion adopted by European standards

Nächster Artikel Analysis of water adsorption by wood using the Guggenheim-Anderson-de Boer equation

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Titel: Increased dimensional stability of Chinese fir through steam-heat treatment
verfasst von: Yongjian Cao
Jianxiong Lu
Rongfeng Huang
Jiali Jiang
Publikationsdatum: 01.07.2012
Verlag: Springer-Verlag
Erschienen in: European Journal of Wood and Wood Products / Ausgabe 4/2012
Print ISSN: 0018-3768
Elektronische ISSN: 1436-736X
DOI: https://doi.org/10.1007/s00107-011-0570-y

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