Improvement of wood densification process via enhancing steam diffusion, distribution, and evaporation
Mechanical densification treatments make it possible to increase the density of low- or moderate-density woods, and thus a high mechanical strength of densified wood and high-value products can be obtained. The authors’ previous treatments showed that the diffusion and distribution of steam and the...
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Published in | Bioresources Vol. 14; no. 2; pp. 3278 - 3288 |
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Main Authors | , , , , |
Format | Journal Article |
Language | English |
Published |
01.05.2019
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Abstract | Mechanical densification treatments make it possible to increase the density of low- or moderate-density woods, and thus a high mechanical strength of densified wood and high-value products can be obtained. The authors’ previous treatments showed that the diffusion and distribution of steam and the release of vapor inside densified wood were prevented to some extent during thermo-hydro-mechanical (THM) densification, causing the occurrence of protrusions, carbonization, blisters, and blows. This study aimed to overcome these problems. Based on the authors’ previous THM densification, different materials, such as fabric, metal mesh, metal foam, and sintered metal mesh laminate (SMML), were used to improve the process. Densification was tested on different wood species. The results showed that SMML was the preferable material for THM densification through enhancing diffusion and distribution of steam, and evaporation of moisture inside wood. No protrusion, carbonization, blisters, or blows were found after densification with SMMLs. The densified wood specimens showed uniform color and a neat surface. |
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AbstractList | Mechanical densification treatments make it possible to increase the density of low- or moderate-density woods, and thus a high mechanical strength of densified wood and high-value products can be obtained. The authors’ previous treatments showed that the diffusion and distribution of steam and the release of vapor inside densified wood were prevented to some extent during thermo-hydro-mechanical (THM) densification, causing the occurrence of protrusions, carbonization, blisters, and blows. This study aimed to overcome these problems. Based on the authors’ previous THM densification, different materials, such as fabric, metal mesh, metal foam, and sintered metal mesh laminate (SMML), were used to improve the process. Densification was tested on different wood species. The results showed that SMML was the preferable material for THM densification through enhancing diffusion and distribution of steam, and evaporation of moisture inside wood. No protrusion, carbonization, blisters, or blows were found after densification with SMMLs. The densified wood specimens showed uniform color and a neat surface. |
Author | Jiang, Z-Hui He, Jia-Zhong Fei, Ben-Hua Fang, Chang-Hua Cloutier, Alain |
Author_xml | – sequence: 1 givenname: Chang-Hua surname: Fang fullname: Fang, Chang-Hua organization: International Centre for Bamboo and Rattan – sequence: 2 givenname: Alain surname: Cloutier fullname: Cloutier, Alain organization: Université Laval – sequence: 3 givenname: Z-Hui surname: Jiang fullname: Jiang, Z-Hui organization: Zhejiang Jiazhong Wood Industry Co., Ltd – sequence: 4 givenname: Jia-Zhong surname: He fullname: He, Jia-Zhong organization: Zhejiang Jiazhong Wood Industry Co., Ltd – sequence: 5 givenname: Ben-Hua surname: Fei fullname: Fei, Ben-Hua organization: International Centre for Bamboo and Rattan |
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CitedBy_id | crossref_primary_10_1016_j_conbuildmat_2023_132073 crossref_primary_10_1080_20426445_2021_1957616 crossref_primary_10_1088_1755_1315_1241_1_012103 crossref_primary_10_1016_j_matdes_2023_111610 crossref_primary_10_1080_10426914_2021_2016816 crossref_primary_10_1007_s13196_024_00348_z crossref_primary_10_3390_f15060892 crossref_primary_10_3390_polym14193959 crossref_primary_10_1051_e3sconf_202020304013 crossref_primary_10_3390_ma15124314 crossref_primary_10_1007_s10457_020_00576_5 crossref_primary_10_1016_j_indcrop_2022_115045 |
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