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Influence of veneer perforation on 2D formability of two-layer material

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EN
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EN
The aim of the paper is to investigate the effect of different perforations in veneers on the 2D formability of two-layer material. Veneer perforation was done with a CO2 laser. The two-layer material was composed of two veneers, one perforated and one entire (non-perforated), the fibers in the veneers being perpendicular to one another, and was glued using a polyethylene film. The 2D (planar) formability of two-layer materials was detected by three-point bending load and evaluated through the minimum bending radius. The most significant improvement of formability wasobserved after perforation in the shape of the letter "I" at the perforation direction parallel to the wood grain.
Twórcy
autor
  • Department of Furniture and Wood Products. Faculty of Wood Sciences and Technology. Technical University in Zvolen, Slovakia
autor
  • Department of Furniture and Wood Products. Faculty of Wood Sciences and Technology. Technical University in Zvolen, Slovakia
Bibliografia
  • 1. FEKIAČ, J., GÁBORÍK, J., ŠMIDRIAKOVÁ, M., 2016: 3D formability of moistened and steamed veneers. In Acta FacultatisXylologiae Zvolen: vedecký časopis Drevárskej fakulty, 2016, Vol. 58, No. 2 , p. 15-26. ISSN 1336-3824.
  • 2. FEKIAČ, J., ZEMIAR, J., GAFF, M., GÁBORÍK, J., GAŠPARÍK, M., MARUŠÁK, R., 2015: 3D-moldability of veneers plasticized with water and ammonia. In BioResources [Online]. 2015. Dostupné na internete: https://www.ncsu.edu/bioresources/BioRes_10/BioRes_10_1_866_Fekiac_ZGG_3D_ Moldability_Veneers_Plastificated_6072.pdf.
  • 3. GAFF, M., KAČÍK, F., DOMLJAN, D., VONDROVA, V., BABIAK, M., 2017: Bendability of thermally modified oak. In 28th International Conference on Wood Science and Technology 2017: Implementation of Wood Science in Wood working Sector, 2017, p 143-151.
  • 4. GÁBORÍK, J., DUDAS, J., 2006: Vlastnosti lamelového dreva. (The properties of laminar wood ). In Trieskové a beztrieskové obrábanie dreva, 2006, s. 129-134. ISBN 80-228-1674-4.
  • 5. HEROLD, N., PFRIEM, A., 2013: Impregnation of veneer with furfuryl alcohol for animproved plasticization and moulding. In EuropeanJournalofWood and WoodProducts [Online]. 2013, Vol. 71, issue 2, pp 281-282. Online ISSN 1436-736X. Dostupné na internete: http://link.springer.com/article/10.1007/s00107-013-0677-4.
  • 6. KAJAKS, J., REIHMANE, S., GRINBERGS, U., KALNINS, K., 2012: Use of innovative environmentally friendly adhesives for wood veneer bonding. In Proceedings of the Estonian Academy of Sciences, 2012, Vol. 61, Issue 3, pp 207-211. ISSN 1736-7530.
  • 7. KRENZ, S., 2013:Reholz - Marktführer in 3D-Furnier: Furnier in der 3.Dimension. In Dresdner Transferbrief 3. [Online] 2013. [cit. 13.07.2013]. Dostupné na internete: https://tu-dresden.de/ressourcen/dateien/forschung/wissens- _und_technologietransfer/dresdner_transferbrief/archivordner/Ausgabe03_05/DTB_3. 05_20.pdf?lang=en.
  • 8. LANGOVÁ, N., JOŠČÁK, P., 2014: Effect of mechanical modification of wood veneers on their planar formability. In Annals of Warsaw University of Life Sciences. 2014. p. 142147. ISSN 1898-5912.
  • 9. MORAVEC, M., 2010: Furniere aus Kesseldorffeiern Welterfolge. In Sächsische Zeitung. [online] 2010. [cit. 13.07.2018]. Dostupné na internete: https://www.sz-online.de/nachrichten/furniere-aus-kesselsdorf-feiern-welterfolge-217336.html.
  • 10. NAVI, P., SANDBERG, D., 2012: Thermo-hydro-mechanical processing of wood. s.l. : CRC Press, 2012. 360 s. ISBN 978-1-4398-6042-7.
  • 11. ROSENTHAL, M., 2009: Entwicklung eines biologischinspirierten, dreidimensional verformbaren Furniers aus Druckholz. Dissertation von der Fakultät Maschinenwesen der Technischen Universität Dresden. [Online]. 2009. 230 s. Dostupné na internete: http://nbn-resolving.de/urn:nbn:de:bsz:14-qucosa-22891.
  • 12. SCHULZ, T., SCHEIDING, W., FISCHER, M., 2012: Sperrholz und Sperrholzformteile aus thermisch modifizierten Furnieren. In Holztechnologie. 2012. Vol. 53, No. 4, p 18-24.
  • 13. SLABEJOVÁ, G., ŠMIDRIAKOVÁ, M., 2013: Modifikácia bukových dýh silikónovými živicami za účelom ich 3D tvárnenia. In Pokroky vo výrobe a použití lepidiel v drevopriemysle: XXI. sympózium, Zvolen: Technická univerzita vo Zvolene, 2013, s. 59-64. ISBN 978-80-228-2529-0.
  • 14. ŠMIDRIAKOVÁ, M., SEDLIAČIK, J., VÉGH, B., BEKHTA, P., 2015: Application of foamed PVAC dispersion in plywood production. In Acta Facultatis Xylologiae Zvolen, 2015, Vol. 57, No. 2, p. 109-115. ISSN 1336-3824.
  • 15. WAGENFÜHR, A., BUCHELT, B., PFRIEM, A., 2006: Materia lbehaviour of veneer during multidimensional moulding. In Holzals Roh- undWerkstoff. [Online] 2006. č. 64, s. 83 - 89. Dostupné na internete: https://link.springer.com/content/pdf/10.1007/s00107-005-0008-5.pdf.
Uwagi
Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023).
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Bibliografia
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