Property Improvement of Thin High-Density Fiberboard Panels Used as Door-Skins

Badin, Nicolae; Câmpean, Mihaela; Lengyel, Karoly; Ispas, Mihai; Bedelean, Bogdan

doi:10.15376/biores.13.1.1042-1054

Cited by 3 publications

(3 citation statements)

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“…Ultra-thin high-density wood fiberboard (referred to as ultra-thin board) possesses lightweight, excellent sound insulation, and remarkable heat preservation characteristics (Badin et al 2018). In recent years, it has gained widespread applications in construction, decoration, and packaging (Luo et al 2022).…”

Section: Introductionmentioning

confidence: 99%

Equivalent heat transfer modeling for poplar fiber clusters based on thermography

Yang

Liu

et al. 2023

Preprint

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Poplar fiber mass is a non-uniform medium that is composed of discrete microelements making it an imperative raw material in the production of ultra-thin high-density wood fiberboards. Preheating, therefore, becomes a crucial process in producing ultra-thin boards from poplar fiber masses. This study aims to investigate the thermal conductivity properties of wood fiber pellets with the objective of guiding the process parameters in the preheating section.Basic size and composition of poplar fiber masses were observed using an optical microscope. Measured parameters such as bark content and stacking density were combined with observations to establish the heat transfer unit of poplar fiber masses which were then used to develop a one-dimensional equivalent heat transfer model.The steady-state images of the surface layer of poplar fiber masses were captured under different parameters using infrared thermography. The results indicated that the relationships between thickness, density, and moisture content were negatively correlated with surface layer temperature, while the relationships between bottom heating temperature and surface layer temperature were positively correlated. From these findings, the surface layer temperature of poplar fiber mass was derived, and equivalent thermal conductivity as well as convective heat transfer coefficients were solved.Simulation results showed that the average error of the equivalent heat transfer model of poplar fiber mass was 1.584 indicating that the model is usable. This study contributes to efficient simulation of steady-state heat transfer in wood fiber masses, and could be useful in guiding decision-making processes in the preheating section of ultra-thin high-density fiberboard production.

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Section: Introductionmentioning

confidence: 99%

Equivalent heat transfer modeling for poplar fiber clusters based on thermography

Yang

Liu

et al. 2023

Preprint

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“…During refining, refiner disc bars intersect, affecting the wood fibres, which consequently ensures their destruction both in the longitudinal (fibrillation) and transverse (shortening) directions. The nature of fibre breaking during refining determines the fibres' qualitative characteristics and composition, which directly affects the properties of finished products (Gao et al 2011;Badin et al 2018;Gao et al 2018;Zhang et al 2019;Cai et al 2020;Przybysz et al 2020). Refining intensity is determined largely by the geometric dimensions of processed fibres and the species composition of wood raw materials (Berg et al 2009;Li et al 2011;Rusu et al 2011;Hua et al 2012;Sable et al 2017;Gurau et al 2017, Badin et al 2018Gao et al 2018;Dickson et al 2020;Fredrikson and Paltakari 2020;Przybysz et al 2020).…”

Section: Introductionmentioning

confidence: 99%

“…The nature of fibre breaking during refining determines the fibres' qualitative characteristics and composition, which directly affects the properties of finished products (Gao et al 2011;Badin et al 2018;Gao et al 2018;Zhang et al 2019;Cai et al 2020;Przybysz et al 2020). Refining intensity is determined largely by the geometric dimensions of processed fibres and the species composition of wood raw materials (Berg et al 2009;Li et al 2011;Rusu et al 2011;Hua et al 2012;Sable et al 2017;Gurau et al 2017, Badin et al 2018Gao et al 2018;Dickson et al 2020;Fredrikson and Paltakari 2020;Przybysz et al 2020). Wood fibre quality indicators (degree of refining, average length and diameter, length-to-diameter ratio) and refining effectiveness depend on many design (geometric properties of refiner disc working surfaces) and process parameters (working gap between refiner discs, pulp concentration, rotor frequency, etc.)…”

Section: Introductionmentioning

confidence: 99%

Optimization of wood fibre refining process in fibreboard production with new refiner disc working surface geometry

Vititnev

Chistova²,

Alashkevich

et al. 2021

BioRes

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Refining of fibrous semi-finished products is an important stage in fibreboard production because the efficiency of this stage affects the resulting fibres’ dimensional and qualitative characteristics. These, in turn, determine the physical and mechanical properties of the finished products, as well as the energy intensity of the process. The efficiency of this process depends on the raw materials used and the geometry of the refiner disc working surface and its operational modes. This article presents the results of the optimisation of wood fibre refining at a low concentration (2 to 4%), using fundamentally new refiner discs in high-density fibreboard production. Based on numerous theoretical and experimental studies, and on the results of processing, the problem of optimising the refining process was solved, taking into account the use of new refiner disc geometry. As a result, the optimal values of refiner process parameters and operation modes making it possible to prepare wood-fibre semi-finished products efficiently while reducing power consumption in refining were established. After optimising the refining process, the new geometry of refiner disc working surfaces provides optimal dimensional and qualitative characteristics of wood fibres, which results in finished products with high physical and mechanical properties in accordance with GOST 4598 (2018) without using bonding resins.

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Influence of the amount and type of anti-adhesive agent on selected properties of fibreboards

Pawlik,

Kowaluk

2023

Annals of WULS - SGGW. Forestry and Wood Technology

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Influence of the amount and type of anti-adhesive agent on selected properties od fibreboards. The aim of the research was to determine the effect of the type and amount of release agent used in the manufacture of high-density fiberboards (HDF) on selected mechanical and physical properties of the produced boards. The scope of work included producing boards under laboratory conditions with 10 g/m2, 25 g/m2 and 50 g/m2 applied to the surface of the board and subjecting them to selected physical and mechanical importance. The results obtained show that the properties of the manufactured boards are related to the amount of formulation applied and that by using the right amount of formulation we can obtain values that meet the requirements of the relevant European standards.

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Property Improvement of Thin High-Density Fiberboard Panels Used as Door-Skins

Cited by 3 publications

References 0 publications

Equivalent heat transfer modeling for poplar fiber clusters based on thermography

Equivalent heat transfer modeling for poplar fiber clusters based on thermography

Optimization of wood fibre refining process in fibreboard production with new refiner disc working surface geometry

Influence of the amount and type of anti-adhesive agent on selected properties of fibreboards

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