<abstract xmlns="http://www.w3.org/1999/xhtml"><p>For the sustainability of an important renewable resource, such as wood, it is important to significantly increase the efficiency of its processing. A large part of this raw material ends up in the wood processing industry, where it is used for the production of pulp, paper, construction and furniture timber, floors and others. Therefore, it is very important to gain the knowledge needed for optimal valuation of raw wood material, through quality detection and classification into quality classes. There are many defectoscopic methods working on different physical principles. The most familiar of these methods are semi-destructive and non-destructive, as they do not cause damage to the tree or wood during assessment. The aim of this article is to describe, assess and compare known semi-destructive and non-destructive methods for the assessment of wood properties. This article describes basic visual inspection, basic semi-destructive methods (Pilodyn, Resistograph) and advanced semi-destructive methods (SilviScan®, DiscBot®) as well. Non-destructive methods use mostly acoustic wave motion (acoustic, ultrasonic), high-frequency waves (using georadar, microwave) and methods based on visual evaluation (image, laser). At last, there are X–ray methods with the latest technology using three-dimensional (3D) computed tomography (CT). The implementation of modern non-destructive methods is of great importance for the application of principles of Industry 4.0, where these methods provide collecting of data on the material properties, in its entire production flow of log processing.</p></abstract>

For the sustainability of an important renewable resource, such as wood, it is important to significantly increase the efficiency of its processing. A large part of this raw material ends up in the wood processing industry, where it is used for the production of pulp, paper, construction and furniture timber, floors and others. Therefore, it is very important to gain the knowledge needed for optimal valuation of raw wood material, through quality detection and classification into quality classes. There are many defectoscopic methods working on different physical principles. The most familiar of these methods are semi-destructive and non-destructive, as they do not cause damage to the tree or wood during assessment. The aim of this article is to describe, assess and compare known semi-destructive and non-destructive methods for the assessment of wood properties. This article describes basic visual inspection, basic semi-destructive methods (Pilodyn, Resistograph) and advanced semi-destructive methods (SilviScan®, DiscBot®) as well. Non-destructive methods use mostly acoustic wave motion (acoustic, ultrasonic), high-frequency waves (using georadar, microwave) and methods based on visual evaluation (image, laser). At last, there are X–ray methods with the latest technology using three-dimensional (3D) computed tomography (CT). The implementation of modern non-destructive methods is of great importance for the application of principles of Industry 4.0, where these methods provide collecting of data on the material properties, in its entire production flow of log processing.

Innovative methods of non-destructive evaluation of log quality

Central European Forestry Journal

This work is licensed under the Creative Commons Attribution 4.0 International License.

{"article-title":"Innovative methods of non-destructive evaluation of log quality"}

For the sustainability of an important renewable resource, such as wood, it is important to significantly increase the efficiency of its processing. A large...

Innovative methods of non-destructive evaluation of log quality

Published Online: Mar 26, 2021

Page range: 3 - 13

DOI: https://doi.org/10.2478/forj-2020-0021

Keywords
X–ray method, acoustic methods, georadar methods, laser methods, industry 4.0, CT scanner

© 2021 Vojtěch Ondrejka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Innovative methods of non-destructive evaluation of log quality

Published Online: Mar 26, 2021

Page range: 3 - 13

DOI: https://doi.org/10.2478/forj-2020-0021

KeywordsX–ray method, acoustic methods, georadar methods, laser methods, industry 4.0, CT scanner

© 2021 Vojtěch Ondrejka et al., published by Sciendo

This work is licensed under the Creative Commons Attribution 4.0 International License.

Keywords
X–ray method, acoustic methods, georadar methods, laser methods, industry 4.0, CT scanner