Wood Technology Standardization and Wood Products

A special issue of Forests (ISSN 1999-4907). This special issue belongs to the section "Wood Science and Forest Products".

Deadline for manuscript submissions: closed (15 February 2024) | Viewed by 10859

Special Issue Editors


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Guest Editor
Department of Harvesting and Technology of Forest Products, School of Forestry and Natural Environment, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: wood technology; forest products technology and utilization; connections; joinery; furniture; impregnation; wood improvement; preservation; surface treatments; weathering of wood; adhesives and adhesion of wood
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
Department of Harvesting and Technology of Forest Products, School of Forestry and Natural Environment, Aristotle University of Thessaloniki, Thessaloniki, Greece
Interests: wood modification; improvement; treatments; thermal treatment; hydrothermal treatment; impregnation; characterization; chemistry of wood; chemical products of wood; chemical technologies; biomass; biomass biofuels; bioenergy
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

Standardization is a key factor concerning the organization of society and has a significant impact on the system of transactions and production processes. It concerns all people since it can be applied to all the fields of human activity. Its application can be implemented spontaneously as a result of a habit or a custom, but it can also be implemented consciously after thoroughly planning with the introduction and application of certain rules described in technical specifications/norms or standards.

For wood-based products or constructions, standardization has been proven of particular importance due to their wide and varied utilization options. The process of their standardization, however, encounters difficulties since wood, as a natural, biological material, has, on the one hand, a varied structure, chemical composition and appearance, and on the other hand, new possibilities for its utilization are constantly appearing.

The specific Special Issue focuses on the analysis of the standardization of round wood, sawn wood, wood-based products (veneers, plywood, glued laminated timber, fiberboards, particleboards, OSB, CLT, LVL, wood–plastic composites, among others), wooden structures and furniture, chemical products of wood and its components, forest biomass-based biofuels (pellets, briquettes, etc.), wood adhesives, wood preservatives and the respective methods applied for the production of wood products, as well as their preservation and quality assessment. 

Prof. Dr. Ioannis A. Barboutis
Dr. Vasiliki Kamperidou
Guest Editors

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Keywords

  • certification
  • composites
  • norm
  • panels
  • standard
  • standardization
  • wood
  • wood based products
  • wood adhesives
  • forest product
  • timber
  • quality
  • wood properties
  • wood structures
  • furniture
  • safety

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Published Papers (4 papers)

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Research

16 pages, 3333 KiB  
Article
A Parametric Optimized Method for Three-Dimensional Corner Joints in Wooden Furniture
by Xiutong Xu, Xianqing Xiong, Xinyi Yue and Mei Zhang
Forests 2023, 14(5), 1063; https://doi.org/10.3390/f14051063 - 22 May 2023
Cited by 12 | Viewed by 2785
Abstract
The three-dimensional corner joint is a type of joint in wooden furniture structures with complex parameter relationships and many constraints. Traditional furniture structure design requires repeated modifications of geometric models to determine parameter dimensions, which is inefficient and challenging and severely impacts the [...] Read more.
The three-dimensional corner joint is a type of joint in wooden furniture structures with complex parameter relationships and many constraints. Traditional furniture structure design requires repeated modifications of geometric models to determine parameter dimensions, which is inefficient and challenging and severely impacts the development of the digital design and manufacture process. Based on the ideal value range of mortise–tenon joints, this study derived a parametric optimized method of three-dimensional corner joints in wooden furniture and refined the theoretical value range of at least four main parameters: the width of the beneficial mortise (B2), the depth of the cede mortise (C1), the margin thickness from the cede tenon to the rail1 reference edge (bt1), and the margin thickness from the beneficial tenon to the rail2 reference edge (bt2). With case verification, the results show that in the axial direction of the cede tenon, the maxC1 decreased by 5.4 mm and the combination of B2,C1 reduced at least 23 kinds. In the cases of different post widths and the margin thickness from rail2’s reference edge to the post’s reference edge (Btm2), the value range and value quantity of bt2 were narrowed and decreased in various degrees. In the axial direction of the beneficial tenon, the value range and quantity of available values of the margin thickness from the cede tenon to the rail1 reference edge (bt1) decrease with decreasing margin thickness from the rail1 reference edge to the post reference edge (Btm1) when Btm1 is less than constant z. The parametric optimized method of three-dimensional corner joints in wooden furniture can effectively reduce the parameter dimensional value range, both theoretically and practically, and more refined value ranges can be obtained by setting more standard values. This method also provides ideas for the digital and standardized design of wooden furniture structures. Full article
(This article belongs to the Special Issue Wood Technology Standardization and Wood Products)
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21 pages, 3851 KiB  
Article
The Conceptualisation of Inventive and Repurposable Children’s Furniture
by Zhi Yuan Phuah, Poh Kiat Ng, Boon Kian Lim, Robert Jeyakumar Nathan, Yu Jin Ng and Jian Ai Yeow
Forests 2022, 13(12), 2053; https://doi.org/10.3390/f13122053 - 2 Dec 2022
Cited by 3 | Viewed by 2565
Abstract
Every piece of furniture has a certain lifespan. Most furniture is eventually thrown away and ends up in landfill, thus polluting the environment. The idea of repurposability, where a product is used for another purpose at the end of its useful life, was [...] Read more.
Every piece of furniture has a certain lifespan. Most furniture is eventually thrown away and ends up in landfill, thus polluting the environment. The idea of repurposability, where a product is used for another purpose at the end of its useful life, was developed to solve this problem. While there have been studies on the sustainability and innovative design of children’s furniture, these studies have not considered factors such as inventiveness and repurposability. This study aimed to conceptualise inventive and repurposable children’s furniture. Five concepts are proposed based on a synthesis of the patent literature, existing products and academic journals. These concepts are evaluated to determine which concept best meets eleven improvement requirements, which include improved aesthetics, cost, simplicity, manufacturability, functionality, comfort, ease of repurposing, durability, safety, sustainability and inventiveness. The result is that the invention can be used as a crib, highchair, bed safety rail, chair, pull-up bar, walker and toilet attachment. The concept is also inventive because (1) it has a large number of unique combinations of repurposable functions; (2) it has a unique shape and design that facilitate the repurposing process from one function to another; (3) it has a simple design so that users can transform the functions with ease. While retaining the added value of many repurposed functions, the extended life of this invention reduces consumer spending and saves space. This concept reduces waste and the consumption of natural resources. Further studies are needed to ensure that the concept meets all technical requirements and specifications for children’s furniture, including usability and safety. Full article
(This article belongs to the Special Issue Wood Technology Standardization and Wood Products)
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14 pages, 4362 KiB  
Article
Applying a Hybrid Kano/Quality Function Deployment Integration Approach to Wood Desk Designs for Open-Plan Offices
by Jianhua Lyu, Ran Chen, Lingyun Yang, Jialei Wang and Ming Chen
Forests 2022, 13(11), 1825; https://doi.org/10.3390/f13111825 - 2 Nov 2022
Cited by 14 | Viewed by 2096
Abstract
In order to better serve the users of wood desks in open-plan offices, the Kano model is used to analyze the problems encountered by users in the office. Combined with quality function deployment (QFD), this study conducted an analysis of the weighted average [...] Read more.
In order to better serve the users of wood desks in open-plan offices, the Kano model is used to analyze the problems encountered by users in the office. Combined with quality function deployment (QFD), this study conducted an analysis of the weighted average of users’ needs and the importance of engineering measures of product technical characteristics. The proposed system uses an integrated Kano–QFD model to identify users’ specific needs and scene experience with a more complete service system. Through the hybrid approach of the Kano model and QFD development and design technology, the wood desks in open-plan offices are optimized to improve the rationality and scientific nature of office furniture and enhance its market competitiveness. Full article
(This article belongs to the Special Issue Wood Technology Standardization and Wood Products)
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18 pages, 4287 KiB  
Article
Cypress Wood and Bark Residues Chemical Characterization and Utilization as Fuel Pellets Feedstock
by Paschalina Terzopoulou, Vasiliki Kamperidou and Charalampos Lykidis
Forests 2022, 13(8), 1303; https://doi.org/10.3390/f13081303 - 16 Aug 2022
Cited by 13 | Viewed by 2091
Abstract
In order to meet the growing demand for raw material of solid biofuels, it is imperative to find alternative materials of low cost, underutilized so far. In this study, wood and bark material of two common cypress species (Mediterranean and Arizona cypress) were [...] Read more.
In order to meet the growing demand for raw material of solid biofuels, it is imperative to find alternative materials of low cost, underutilized so far. In this study, wood and bark material of two common cypress species (Mediterranean and Arizona cypress) were chemically characterized through gravimetric and spectroscopic (FTIR) analyses, to assess their potential to be used as raw materials in the production of fuel pellets. Low bark concentrations (0%, 2%, and 7%) were applied, and the mixtures were densified in a flat-die pellet press. The produced pellets were examined in terms of thermal, physical, hygroscopic, and mechanical properties, using standard ISO17225 thresholds as benchmark. The results revealed that the effect of bark presence in low content οn pellet properties and quality was positive. The ash content of both wood species is adequately low for biofuels production, whereas their bark cannot be purely used as feedstock due to the high ash content. By using low bark contents (2% or 7%), the ash content of pellets was kept adequately low to be categorized in the highest quality classes (A1 and A2: for residential applications), while the produced pellets demonstrated improved dimensional stability, mechanical durability, and slightly improved calorific value. The moisture content, dimensions, and bulk density of all the produced pellet categories fulfilled the standard requirements. Even though the pellets of 2% bark share presented much lower ash contents, only the pellets of 7% bark share were proven to have considerably improved mechanical durability, suitable for residential use. The chemical composition of raw materials (especially the extractives and holocellulose) plays a major role in the mechanical durability of pellets. Full article
(This article belongs to the Special Issue Wood Technology Standardization and Wood Products)
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