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Modification of wood via biochar particle impregnationLangella, Tania ...Thermal-hydro-mechanical (THM) densifcation was performed on Picea abies (spruce), Abies alba (European fr), Populus nigra (poplar), and Fagus sylvatica (beech). Prior to THM treatment, the wood was ... impregnated with an aqueous solution containing 1%, 2.5%, and 5% biochar. Mechanical characteristics (modulus of elasticity, modulus of rupture), set-recovery, and contact angle were measured and compared for all samples in relation to the percentage of biochar present in the mixture. Impregnation with biochar/water mixture in combination with THM treatment resulted in densifed wood with improved properties. Spruce showed the most notable improvement in water resistance, in addition to having the largest reduction in set-recovery at 57% and the highest contact angle value at 120°. There was also signifcant improvement in the mechanical properties of spruce wood, especially when impregnated with 2.5% and 5% of biochar, with MOE values of 17.09 and 18.61 GPa and MOR values of 190.47 and 176.41 MPa, respectively. The only comparable values were observed in beech impregnated with 2.5% biochar mixture, with a MOR value of 204.6 MPa. These fndings highlight the efectiveness of biochar-enhanced impregnation together with THM treatment in improving the structural and mechanical properties of wood, with distinct improvements observed in spruce and a few improvements in beech.Source: European journal of wood and wood products = Holz als Roh- und Werkstoff. - ISSN 0018-3768 (Vol. 82, 2024, str. 773-783)Type of material - article, component part ; adult, seriousPublish date - 2024Language - englishCOBISS.SI-ID - 197455107
Author
Langella, Tania |
Mikuljan, Marica |
Han, Lei |
Zouari, Mariem |
DeVallance, David Brian
Topics
biochar |
moisture resistance |
wood modification |
biooglje |
odpornost na vlago |
modifikacija lesa
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source: European journal of wood and wood products = Holz als Roh- und Werkstoff. - ISSN 0018-3768 (Vol. 82, 2024, str. 773-783)
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DRS, in which the journal is indexed
Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Langella, Tania | 55032 |
Mikuljan, Marica | 24965 |
Han, Lei | 54957 |
Zouari, Mariem | 55495 |
DeVallance, David Brian | 51449 |
Source: Personal bibliographies
and: SICRIS
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