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Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers

This paper presents the results of investigations into the effect of the use of recycled waste paper cellulose fibers on the properties of fiber cement boards subjected to contamination by moisture. Four series of fiber cement boards were tested. A reference fiber cement board manufactured without t...

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Autores principales: Gorzelańczyk, Tomasz, Schabowicz, Krzysztof, Szymków, Mateusz
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7344779/
https://www.ncbi.nlm.nih.gov/pubmed/32570716
http://dx.doi.org/10.3390/ma13122758
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author Gorzelańczyk, Tomasz
Schabowicz, Krzysztof
Szymków, Mateusz
author_facet Gorzelańczyk, Tomasz
Schabowicz, Krzysztof
Szymków, Mateusz
author_sort Gorzelańczyk, Tomasz
collection PubMed
description This paper presents the results of investigations into the effect of the use of recycled waste paper cellulose fibers on the properties of fiber cement boards subjected to contamination by moisture. Four series of fiber cement boards were tested. A reference fiber cement board manufactured without the use of recycled cellulose fibers constituted as one of the series. The other three series consisted of boards differing in their recycled cellulose fiber content-ranging from 10% to 50% of the total cellulose fiber content. Specimens of the fiber cement boards were subjected to contamination by moisture by storing them in water for 1–96 h. Subsequently, their basic physical and mechanical parameters, i.e., mass moisture content, absorbability, and modulus of rupture (MOR), were tested. Then, the specimens were investigated by means of acoustic emission during three-point bending. Artificial neural networks were employed to analyze the acoustic emission test results. The tests clearly showed the amount of recycled waste paper cellulose fibers and the length of storage in water to have an adverse effect on the boards, contributing to their degradation. This was reflected in the decrease of the acoustic emission (AE) events count recognized by the artificial neural networks, accompanying the rupture of fibers during the three-point bending of the specimens. In order to gain a more detailed insight into the changes taking place in the structure of the tested fiber cement boards, optical examinations were carried out by means of a scanning electron microscope. Interesting findings crucial for building practice were noted.
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spelling pubmed-73447792020-07-09 Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers Gorzelańczyk, Tomasz Schabowicz, Krzysztof Szymków, Mateusz Materials (Basel) Article This paper presents the results of investigations into the effect of the use of recycled waste paper cellulose fibers on the properties of fiber cement boards subjected to contamination by moisture. Four series of fiber cement boards were tested. A reference fiber cement board manufactured without the use of recycled cellulose fibers constituted as one of the series. The other three series consisted of boards differing in their recycled cellulose fiber content-ranging from 10% to 50% of the total cellulose fiber content. Specimens of the fiber cement boards were subjected to contamination by moisture by storing them in water for 1–96 h. Subsequently, their basic physical and mechanical parameters, i.e., mass moisture content, absorbability, and modulus of rupture (MOR), were tested. Then, the specimens were investigated by means of acoustic emission during three-point bending. Artificial neural networks were employed to analyze the acoustic emission test results. The tests clearly showed the amount of recycled waste paper cellulose fibers and the length of storage in water to have an adverse effect on the boards, contributing to their degradation. This was reflected in the decrease of the acoustic emission (AE) events count recognized by the artificial neural networks, accompanying the rupture of fibers during the three-point bending of the specimens. In order to gain a more detailed insight into the changes taking place in the structure of the tested fiber cement boards, optical examinations were carried out by means of a scanning electron microscope. Interesting findings crucial for building practice were noted. MDPI 2020-06-18 /pmc/articles/PMC7344779/ /pubmed/32570716 http://dx.doi.org/10.3390/ma13122758 Text en © 2020 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (http://creativecommons.org/licenses/by/4.0/).
spellingShingle Article
Gorzelańczyk, Tomasz
Schabowicz, Krzysztof
Szymków, Mateusz
Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title_full Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title_fullStr Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title_full_unstemmed Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title_short Tests of Fiber Cement Materials Containing Recycled Cellulose Fibers
title_sort tests of fiber cement materials containing recycled cellulose fibers
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7344779/
https://www.ncbi.nlm.nih.gov/pubmed/32570716
http://dx.doi.org/10.3390/ma13122758
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