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\n\n \n \n \n \n \n \n The durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes.\n \n \n \n \n\n\n \n Slabohm, M.; Brischke, C.; and Militz, H.\n\n\n \n\n\n\n
European Journal of Wood and Wood Products, 81(4): 911–921. August 2023.\n
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@article{slabohm_durability_2023,\n\ttitle = {The durability of acetylated beech ({Fagus} sylvatica {L}.) laminated veneer lumber ({LVL}) against wood-destroying basidiomycetes},\n\tvolume = {81},\n\tissn = {0018-3768, 1436-736X},\n\turl = {https://link.springer.com/10.1007/s00107-023-01962-3},\n\tdoi = {10.1007/s00107-023-01962-3},\n\tabstract = {The overall aim of this study was to investigate the durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes. The secondary objective was to test whether the specimen size affects the mass loss and durability assessment of wood-material under test. The durability test was based on the pre-standard prEN 113-3. Six materials (acetylated beech LVL, untreated beech LVL, beech solid wood, pine sapwood (Pinus sylvestris L.), larch (Larix decidua Mill.) 3-layer slab, larch solid wood) were tested using three specimen geometry designs (50 × 25 × 15 mm3 as well as 50 × 50 × 19 mm3 with and without sealed edges) against Coniophora puteana, Rhodonia placenta, Gloeophyllum trabeum, Trametes versicolor, and Pleurotus ostreatus. The durability assessment was made using the arithmetic mean and median percentage mass loss (ML), the relative ML (x-values), and the decay susceptibility index (DSI). It was found that mass loss was affected by the test fungus, the material, and the specimen size and design, with the latter being the most essential factor in this study. In addition, the assessment parameter had a significant effect on the durability classification. Furthermore, small differences in ML resulted in different durability classes (DC) in some cases, whereas large differences in ML did not. However, acetylated beech LVL was always considerably durable (DC 1) against all tested fungi independent of the specimen design and durability assessment method.},\n\tlanguage = {en},\n\tnumber = {4},\n\turldate = {2023-07-03},\n\tjournal = {European Journal of Wood and Wood Products},\n\tauthor = {Slabohm, Maik and Brischke, Christian and Militz, Holger},\n\tmonth = aug,\n\tyear = {2023},\n\tpages = {911--921},\n\tfile = {Slabohm et al. - 2023 - The durability of acetylated beech (Fagus sylvatic.pdf:C\\:\\\\Users\\\\Eva\\\\Zotero\\\\storage\\\\ITAUIST3\\\\Slabohm et al. - 2023 - The durability of acetylated beech (Fagus sylvatic.pdf:application/pdf},\n}\n\n
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\n The overall aim of this study was to investigate the durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes. The secondary objective was to test whether the specimen size affects the mass loss and durability assessment of wood-material under test. The durability test was based on the pre-standard prEN 113-3. Six materials (acetylated beech LVL, untreated beech LVL, beech solid wood, pine sapwood (Pinus sylvestris L.), larch (Larix decidua Mill.) 3-layer slab, larch solid wood) were tested using three specimen geometry designs (50 × 25 × 15 mm3 as well as 50 × 50 × 19 mm3 with and without sealed edges) against Coniophora puteana, Rhodonia placenta, Gloeophyllum trabeum, Trametes versicolor, and Pleurotus ostreatus. The durability assessment was made using the arithmetic mean and median percentage mass loss (ML), the relative ML (x-values), and the decay susceptibility index (DSI). It was found that mass loss was affected by the test fungus, the material, and the specimen size and design, with the latter being the most essential factor in this study. In addition, the assessment parameter had a significant effect on the durability classification. Furthermore, small differences in ML resulted in different durability classes (DC) in some cases, whereas large differences in ML did not. However, acetylated beech LVL was always considerably durable (DC 1) against all tested fungi independent of the specimen design and durability assessment method.\n
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\n\n \n \n \n \n \n \n Evaluation of wet tensile shear strength and surface properties of finger-jointed acetylated beech (Fagus sylvatica L.) laminated veneer lumber.\n \n \n \n \n\n\n \n Slabohm, M.; Stolze, H.; and Militz, H.\n\n\n \n\n\n\n
European Journal of Wood and Wood Products, 0(0): 9. June 2023.\n
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@article{slabohm_evaluation_2023,\n\ttitle = {Evaluation of wet tensile shear strength and surface properties of finger-jointed acetylated beech ({Fagus} sylvatica {L}.) laminated veneer lumber},\n\tvolume = {0},\n\tissn = {0018-3768, 1436-736X},\n\turl = {https://link.springer.com/10.1007/s00107-023-01970-3},\n\tdoi = {10.1007/s00107-023-01970-3},\n\tabstract = {Abstract\n \n Experiments on finger-jointing acetylated beech (\n Fagus sylvatica\n L.) laminated veneer lumber (LVL) have been made. The specimens were examined on its wet tensile shear strength (TSS) using three adhesives, including phenol resorcinol formaldehyde (PRF), one-component polyurethane (PUR) (without primer), and melamine urea formaldehyde (MUF). Contact angles (CA) of uncured and drop-applied MUF, PRF, and PUR adhesives on freshly cut finger-joints were evaluated. Surface roughness was measured using a laser-scanning-microscope (LSM). Results showed that PRF bonded acetylated specimens had highest wet TSS, followed by specimens with PUR bonding. MUF performed poorly, which was most likely caused by its inadequate water resistance and changes in chemical reactions due to remaining acetic acid. Acetylated finger-joints had a topography similar to untreated joints. Moreover, CA were just barely lower for MUF and PRF on acetylated wood than on untreated references.},\n\tlanguage = {en},\n\tnumber = {0},\n\turldate = {2023-06-26},\n\tjournal = {European Journal of Wood and Wood Products},\n\tauthor = {Slabohm, Maik and Stolze, Hannes and Militz, Holger},\n\tmonth = jun,\n\tyear = {2023},\n\tpages = {9},\n\tfile = {Slabohm et al. - 2023 - Evaluation of wet tensile shear strength and surfa.pdf:C\\:\\\\Users\\\\Eva\\\\Zotero\\\\storage\\\\4F7KYEAH\\\\Slabohm et al. - 2023 - Evaluation of wet tensile shear strength and surfa.pdf:application/pdf},\n}\n\n
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\n Abstract Experiments on finger-jointing acetylated beech ( Fagus sylvatica L.) laminated veneer lumber (LVL) have been made. The specimens were examined on its wet tensile shear strength (TSS) using three adhesives, including phenol resorcinol formaldehyde (PRF), one-component polyurethane (PUR) (without primer), and melamine urea formaldehyde (MUF). Contact angles (CA) of uncured and drop-applied MUF, PRF, and PUR adhesives on freshly cut finger-joints were evaluated. Surface roughness was measured using a laser-scanning-microscope (LSM). Results showed that PRF bonded acetylated specimens had highest wet TSS, followed by specimens with PUR bonding. MUF performed poorly, which was most likely caused by its inadequate water resistance and changes in chemical reactions due to remaining acetic acid. Acetylated finger-joints had a topography similar to untreated joints. Moreover, CA were just barely lower for MUF and PRF on acetylated wood than on untreated references.\n
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\n\n \n \n \n \n \n The durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes.\n \n \n \n\n\n \n Slabohm, M.; Brischke, C.; and Militz, H.\n\n\n \n\n\n\n
European Journal of Wood and Wood Products, 0(0). 2023.\n
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@article{slabohm_durability_2023-1,\n\ttitle = {The durability of acetylated beech ({Fagus} sylvatica {L}.) laminated veneer lumber ({LVL}) against wood-destroying basidiomycetes},\n\tvolume = {0},\n\tabstract = {The overall aim of this study was to investigate the durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes. The secondary objective was to test whether the specimen size affects the mass loss and durability assessment of wood-material under test. The durability test was based on the pre-standard prEN 113-3. Six materials (acetylated beech LVL, untreated beech LVL, beech solid wood, pine sapwood (Pinus sylvestris L.), larch (Larix decidua Mill.) 3-layer slab, larch solid wood) were tested using three specimen geometry designs (50 × 25 × 15 mm3 as well as 50 × 50 × 19 mm3 with and without sealed edges) against Coniophora puteana, Rhodonia placenta, Gloeophyllum trabeum, Trametes versicolor, and Pleurotus ostreatus. The durability assessment was made using the arithmetic mean and median percentage mass loss (ML), the relative ML (x-values), and the decay susceptibility index (DSI). It was found that mass loss was affected by the test fungus, the material, and the specimen size and design, with the latter being the most essential factor in this study. In addition, the assessment parameter had a significant effect on the durability classification. Furthermore, small differences in ML resulted in different durability classes (DC) in some cases, whereas large differences in ML did not. However, acetylated beech LVL was always considerably durable (DC 1) against all tested fungi independent of the specimen design and durability assessment method.},\n\tlanguage = {en},\n\tnumber = {0},\n\tjournal = {European Journal of Wood and Wood Products},\n\tauthor = {Slabohm, Maik and Brischke, Christian and Militz, Holger},\n\tyear = {2023},\n\tfile = {Slabohm - The durability of acetylated beech (Fagus sylvatic.pdf:C\\:\\\\Users\\\\Eva\\\\Zotero\\\\storage\\\\JNVNY5PD\\\\Slabohm - The durability of acetylated beech (Fagus sylvatic.pdf:application/pdf},\n}\n\n
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\n The overall aim of this study was to investigate the durability of acetylated beech (Fagus sylvatica L.) laminated veneer lumber (LVL) against wood-destroying basidiomycetes. The secondary objective was to test whether the specimen size affects the mass loss and durability assessment of wood-material under test. The durability test was based on the pre-standard prEN 113-3. Six materials (acetylated beech LVL, untreated beech LVL, beech solid wood, pine sapwood (Pinus sylvestris L.), larch (Larix decidua Mill.) 3-layer slab, larch solid wood) were tested using three specimen geometry designs (50 × 25 × 15 mm3 as well as 50 × 50 × 19 mm3 with and without sealed edges) against Coniophora puteana, Rhodonia placenta, Gloeophyllum trabeum, Trametes versicolor, and Pleurotus ostreatus. The durability assessment was made using the arithmetic mean and median percentage mass loss (ML), the relative ML (x-values), and the decay susceptibility index (DSI). It was found that mass loss was affected by the test fungus, the material, and the specimen size and design, with the latter being the most essential factor in this study. In addition, the assessment parameter had a significant effect on the durability classification. Furthermore, small differences in ML resulted in different durability classes (DC) in some cases, whereas large differences in ML did not. However, acetylated beech LVL was always considerably durable (DC 1) against all tested fungi independent of the specimen design and durability assessment method.\n
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\n\n \n \n \n \n \n Investigation of chemical composition and wood-moisture interaction of acetylated beech (Fagus sylvatica L.) veneer after heat treatment.\n \n \n \n\n\n \n Slabohm, M.; Emmerich, L.; and Militz, H.\n\n\n \n\n\n\n In
Proceedings of the 19th Meeting of the Northern European Network for Wood Science and Engineering (WSE), pages 10–12, Ås, Norway, October 2023. \n
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@inproceedings{slabohm_investigation_2023,\n\taddress = {Ås, Norway},\n\ttitle = {Investigation of chemical composition and wood-moisture interaction of acetylated beech ({Fagus} sylvatica {L}.) veneer after heat treatment},\n\tbooktitle = {Proceedings of the 19th {Meeting} of the {Northern} {European} {Network} for {Wood} {Science} and {Engineering} ({WSE})},\n\tauthor = {Slabohm, Maik and Emmerich, Lukas and Militz, Holger},\n\tmonth = oct,\n\tyear = {2023},\n\tpages = {10--12},\n}\n
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