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Study of Timber and Wood Related Materials—2nd Edition

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Advanced Composites".

Deadline for manuscript submissions: closed (20 April 2024) | Viewed by 371

Special Issue Editor


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Guest Editor
Chemistry and Material Engineering College, Zhejiang Agriculture and Forestry University, Hangzhou, China
Interests: wood adhesive; wood composite materials
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

As it is natural, renewable, and environmentally friendly, wood is a highly versatile material used for many applications, including the production of tools, furniture, or art objects. Furthermore, its exceptional mechanical properties also make wood a preferable structural material for construction purposes. Some species of wood can be even stronger than steel or concrete are. Although wood mechanical properties have been broadly investigated, intensive research in this area is still in progress to provide more detailed knowledge of the relationships between woods’ structure, composition, and mechanical properties to further improve the performance in different environmental conditions, as well as broaden the applications.

This Special Issue aims to present updated knowledge related to the mechanical and viscoelastic performances of wood and wood-based materials under various conditions; to report on the enhancement of woods’ mechanical properties using different treatments; to review the relationships between woods’ structure, chemical composition, moisture content, and mechanical performance; and to demonstrate cutting-edge advances in the development of modern wood-based materials with enhanced mechanical properties.

The topics of interest include, but are not limited to, the following:

  • The relationships between wood chemical composition and its mechanical properties;
  • The effect of moisture on the mechanical and rheological properties of wood and wood-based materials;
  • The mechanical properties of weathered and decayed wood;
  • The effects of different treatments on the viscoelastic behavior and mechanical properties of wood and wood-based materials;
  • The effects of wood structure and density on its mechanical properties and viscoelastic behavior;
  • New methods and processes used to upgrade the mechanical performance of wood;
  • The mechanical properties of wood-based composite materials;
  • New methods for the assessment of wood viscoelastic behavior and mechanical properties;
  • Novel wood-based materials;
  • Mechanical properties of waterlogged wood and archaeological wood;
  • Wood-based engineering materials;
  • New methods and technology for wood processing.

We highly encourage contributions from all relevant fields in the form of original or review articles.

Prof. Dr. Hong Lei
Guest Editor

Manuscript Submission Information

Manuscripts should be submitted online at www.mdpi.com by registering and logging in to this website. Once you are registered, click here to go to the submission form. Manuscripts can be submitted until the deadline. All submissions that pass pre-check are peer-reviewed. Accepted papers will be published continuously in the journal (as soon as accepted) and will be listed together on the special issue website. Research articles, review articles as well as short communications are invited. For planned papers, a title and short abstract (about 100 words) can be sent to the Editorial Office for announcement on this website.

Submitted manuscripts should not have been published previously, nor be under consideration for publication elsewhere (except conference proceedings papers). All manuscripts are thoroughly refereed through a single-blind peer-review process. A guide for authors and other relevant information for submission of manuscripts is available on the Instructions for Authors page. Materials is an international peer-reviewed open access semimonthly journal published by MDPI.

Please visit the Instructions for Authors page before submitting a manuscript. The Article Processing Charge (APC) for publication in this open access journal is 2600 CHF (Swiss Francs). Submitted papers should be well formatted and use good English. Authors may use MDPI's English editing service prior to publication or during author revisions.

Keywords

  • wood modification
  • wood-based composite
  • wood-based engineering materials
  • wood processing
  • mechanical and rheological properties of wood
  • wood preservation
  • mechanical properties
  • wood structure
  • panel products

Published Papers (1 paper)

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Research

26 pages, 7473 KiB  
Article
Experimental Analysis of Smart Drilling for the Furniture Industry in the Era of Industry 4.0
by Krzysztof Szwajka, Joanna Zielińska-Szwajka and Tomasz Trzepieciński
Materials 2024, 17(9), 2033; https://0-doi-org.brum.beds.ac.uk/10.3390/ma17092033 - 26 Apr 2024
Viewed by 188
Abstract
The fact is that hundreds of holes are drilled in the assembly process of furniture sets, so intelligent drilling is a key element in maximizing efficiency. Increasing the feed rate or the cutting speed in materials characterized by a higher machinability index is [...] Read more.
The fact is that hundreds of holes are drilled in the assembly process of furniture sets, so intelligent drilling is a key element in maximizing efficiency. Increasing the feed rate or the cutting speed in materials characterized by a higher machinability index is necessary. Smart drilling, that is, the real-time adjustment of the cutting parameters, requires the evolution of cutting process variables. In addition, it is necessary to control and adjust the processing parameters in real time. Machinability is one of the most important technological properties in the machining process, enabling the determination of the material’s susceptibility to machining. One of the machinability indicators is the unit cutting resistance. This article proposes a method of material identification using the short-time Fourier transform in order to automatically adjust cutting parameters during drilling based on force signals, cutting torque and acceleration signals. In the tests, four types of wood-based materials were used as the processed material: medium-density fiberboard, chipboard, plywood board and high-pressure laminate. Holes with a diameter of 10 mm were drilled in the test materials, with variable feed rate, cutting speed and thickness of cutting layer. An innovative method for determining the value of unit cutting resistance was proposed. The results obtained were used to determine the machinability index. Based on the test results, it was shown that both the selected signal measures in the time and frequency domains and the unit cutting resistance are constant for a given material of a workpiece and do not depend on the drilling process parameters. In this article, the methodology is proposed, which can be used as an intelligent technique to support the drilling process to detect the material being machined using data from sensors installed on the machine tool. The work proposes the fundamentals for material identification based on the analysis of force signals and the magnitude of force derivatives. The proposed methodology shows effectiveness, which proves that it can be used in intelligent drilling processes. Hybrid wood-based material structures consisting of different materials are becoming more and more common in building structures for strength, economic and environmental reasons. Due to the difference in the machinability of interconnected materials, cutting parameters must be optimized in real time during machining. Currently, with the rapid development of Industry 4.0, the on-line identification of parameters is becoming necessary to improve the process flow in industrial reality. The proposed methodology can be used as an intelligent technique to support the drilling process in order to detect the material being processed using data from sensors installed on the machine tool. Full article
(This article belongs to the Special Issue Study of Timber and Wood Related Materials—2nd Edition)
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