Investigation of the Rheokinetic Properties and Penetration Depth of Aluminosilicate Adhesive in Pine Wood

Guziy, Sergii G.; Guzii, Olena; Lashchivskiy, Vasyl

doi:10.4028/www.scientific.net/ssp.321.97

Cited by 4 publications

(1 citation statement)

References 10 publications

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“…For gluing products from substandard wood, mainly use organic PVA glues. The share of mineral adhesives, especially aluminosilicate [8], is insignificant, but it tends to expand due to certain advantages, namely: in ensuring the strength of the adhesive seam which is much higher than the strength of wood [9,10], especially at the time of fire [11]. But the white spot in aluminosilicate adhesives is the lack of data on the deformation properties, which is quite relevant in the operation of wooden products and structures based on them under different environmental conditions.…”

Section: Introductionmentioning

confidence: 99%

Influence of ANO3 and ANO3·nH2O Nitrates on the Deformation Properties of Aluminosilicate Adhesives for Wood Products and Structures

Guzii

Romaniuk²,

Lapovska³

et al. 2021

MSF

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As a result of the research, the deformation properties of aluminosilicate adhesives modified with nitrate salts and intended for gluing wooden products and structures made of pine, beech and oak wood at different stages of their hardening were determined. Considering that pine is the most common wood in the manufacture of products and structures, then in order to reduce the numerical values of the elastic modulus in glued materials, it is advisable to add ammonium, lithium and sodium nitrates in an amount of 0.5%, potassium nitrate in an amount of 1% into the composition of an aluminosilicate adhesive. which will ensure the approximation of the elastic modulus values to the values of the unmodified aluminosilicate adhesive and will significantly affect the water resistance of the glue joint and the depth of penetration of the adhesive into the wood structure. For gluing beech wood products to reduce the elasticity modulus, it is advisable to introduce 0.5% ammonium and potassium nitrates and 1% lithium and sodium nitrates, which will reduce the numerical values of the elastic modulus in glued materials by 1.18 and 1.53 times compared with the values of the elastic modulus of the unmodified aluminosilicate adhesive. For gluing oak wood products to reduce the elasticity modulus, it is advisable to introduce 0.5% potassium nitrate and 1.5% sodium nitrate, which will reduce the numerical values of the elastic modulus in glued materials by 1.4 and 2.83 times compared to the values modulus of elasticity of unmodified aluminosilicate adhesive.

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Section: Introductionmentioning

confidence: 99%

Influence of ANO3 and ANO3·nH2O Nitrates on the Deformation Properties of Aluminosilicate Adhesives for Wood Products and Structures

Guzii

Romaniuk²,

Lapovska³

et al. 2021

MSF

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The study of liquid mixtures physical properties for shielding of electromagnetic fields

Guzii,

Levchenko,

Tykhenko

et al. 2023

World Multidisciplinary Civil Engineering-Architecture-Urban Planning Symposium Wmcaus 2022

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Features of production and application of glued wooden beams in cottage construction

Guzii

2021

IOP Conf. Ser.: Mater. Sci. Eng.

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This paper discusses the technological features of the production and use of laminated veneer lumber in cottage construction. The main properties of aluminosilicate glue for gluing pine lamellas have been determined. Changes in both the dynamic and plastic viscosity of aluminosilicate glue are given depending on the spindle rotation speed and shear rate. Equations describing these dependencies are given. These dependencies influence the choice of the method for applying the aluminosilicate glue to the substrate surface. It has been shown that a change in dynamic viscosity from 1662 to 1268 cP in the operating speed range from 20 to 30 RPM and shear rate from 4.2 to 6.3 1/s provides a small shear force from 69.9 to 79.88 dynes/cm2, which makes it easy to apply the glue with a brush or a special roller. It is noted that aluminosilicate glue with a density of 1.54 g/cm3 has a low surface tension of 54 mN/m, which affects the contact angle and the tendency to spread on a pine base. It has been found that an increase in the spreading coefficient results in more complete wetting. It is shown that with an increase in the curing time of the glue joints, the shear strength along the fibers and the elastic modulus on the 28th day increase by 1.63/1.1 times as compared with the seven-day age. An increase in strength and elastic modulus is associated with the passage of crystallization processes in an aluminosilicate gel with the subsequent formation of zeolite-like formations. It is noted that the increase in the value of the breaking load of the samples at the age of 28 days is 1.63 times higher than after 7 days of curing, for determining the values of the shear modulus and elasticity does not have such a decisive importance and this decrease is 5.1%.

show abstract

Investigation of the Rheokinetic Properties and Penetration Depth of Aluminosilicate Adhesive in Pine Wood

Cited by 4 publications

References 10 publications

Influence of ANO<sub>3</sub> and ANO<sub>3</sub>·nH<sub>2</sub>O Nitrates on the Deformation Properties of Aluminosilicate Adhesives for Wood Products and Structures

Influence of ANO<sub>3</sub> and ANO<sub>3</sub>·nH<sub>2</sub>O Nitrates on the Deformation Properties of Aluminosilicate Adhesives for Wood Products and Structures

The study of liquid mixtures physical properties for shielding of electromagnetic fields

Features of production and application of glued wooden beams in cottage construction

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