Bending and energy absorption performance of novel openwork wooden panels

Smardzewski, Jerzy; Majnusz, Magdalena; Murlak, Karol

doi:10.1007/s00107-022-01795-6

Cited by 4 publications

(2 citation statements)

References 52 publications

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“…However, the adhesive type–number of layers binary interaction level was not statistically significant. Due to the anisotropic nature of the wood material, the difference between the fiber length and wood elasticity modulus values significantly affects the measured forces [ 25 , 26 ].…”

Section: Resultsmentioning

confidence: 99%

Modulus of Elasticity and Flexural Behavior of Glulam Beams Reinforced with Steel Mesh in Different Mesh Openings

Ulaşan,

Bajraktari,

Döngel

et al. 2023

Materials

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In this study, the modulus of elasticity and flexural strength properties of laminated wood elements reinforced with steel mesh with different mesh openings were determined. In accordance with the purpose of the study, three- and five-layer laminated elements were produced from scotch pine (Pinus sylvestris L.) wood material, which is widely used in the wood construction industry in Türkiye. The 50, 70, and 90 mesh steel used as the support layer was placed between each lamella and pressed with polyvinylacetate (PVAc-D4) and polyurethane (PUR-D4) adhesives. Afterward, the prepared test samples were kept for 3 weeks at 20 °C temperature and 65 ± 5% relative humidity for 3 weeks. The flexural strength and modulus of elasticity in flexural of the prepared test samples were determined according to the TS EN 408: 2010+A1 standard by the Zwick universal tester. Multiple analysis of variance (MANOVA) was carried out using MSTAT-C 1.2 software to determine the effect of the modulus of elasticity and flexural strength on the obtained flexural properties, the mesh opening of the support layer, and the adhesive type. When the differences within or between groups were significant with a margin of error of 0.05, achievement rankings were made using the Duncan test on the basis of the least significant difference. According to the results of the research, the highest bending strength (120.3 N/mm2) was obtained in three-layer samples reinforced with 50 mesh steel wire and bonded with Pol-D4 glue, and the highest modulus of elasticity (8969.3 N/mm2) was obtained in three-layer samples reinforced with 50 mesh steel wire and bonded with Pol-D4 glue. As a result, the reinforcement of the laminated wood material with steel wire had an increasing effect on the strength. Accordingly, the use of 50 mesh steel wire can be recommended to increase mechanical properties.

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Section: Resultsmentioning

confidence: 99%

Modulus of Elasticity and Flexural Behavior of Glulam Beams Reinforced with Steel Mesh in Different Mesh Openings

Ulaşan,

Bajraktari,

Döngel

et al. 2023

Materials

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“…Finishing the surface of wooden wallboard can not only make up for the defects of natural wood but also give it certain physical and chemical properties. However, the research on the coating of wooden wallboard is still based on traditional coating technology, and the research on the development of environmental protection coatings is still less [8][9][10]. Besides, the development of water-based resin coatings suitable for wood wallboard needs urgent research [11][12][13][14][15].…”

Section: Introductionmentioning

confidence: 99%

Nano-SiO2-Modified Waterborne Acrylic Acid Resin Coating for Wood Wallboard

Chen

et al. 2022

Coatings

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As one of the key products of the whole wood custom home, the study of environmental protection coating technology for wood wallboard has practical significance. Waterborne acrylic acid (WAA), as an important research object of environmentally friendly coatings, has been studied mainly in the area of modification. However, there is less research on its application to the field of wood wallboard. Herein, we developed a facile strategy to prepare WAA resin coatings with excellent performance using SiO2 nanoparticles as modifiers and explored the feasibility of wood wallboard. In this work, a simple mechanical compounding method was used to modify the WAA resin coatings by adding nano-SiO2, aiming to improve their physicochemical properties such as hardness and abrasion resistance while maintaining gloss. It was found that nano-SiO2 showed different effects on the viscosity, gloss, adhesion, and abrasion resistance of WAA resin coating. The combined performance results showed that the wood wallboard finishes exhibit excellent performance when the modifier nano-SiO2 was added at 1 wt% in the WAA resin coating. This present work shows that the nano-SiO2-modified WAA resin coating for wood wallboard has a broad application prospect.

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