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A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite

In this study, fabrication of a composite containing the ordinary Portland cement (OPC) and magnetite (Fe(3)O(4)) micro/nanoparticles is reported. In the first stage, the cement paste samples with a fixed 0.2 wt.% Fe(3)O(4) additive in four different particle sizes (20–40 nm, 80–100 nm, 250–300 nm,...

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Autores principales: Ghazanlou, Siamak Imanian, Jalaly, Maisam, Sadeghzadeh, Sadegh, Korayem, Asghar Habibnejad
Formato: Online Artículo Texto
Lenguaje:English
Publicado: Nature Publishing Group UK 2020
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7028720/
https://www.ncbi.nlm.nih.gov/pubmed/32071407
http://dx.doi.org/10.1038/s41598-020-59846-y
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author Ghazanlou, Siamak Imanian
Jalaly, Maisam
Sadeghzadeh, Sadegh
Korayem, Asghar Habibnejad
author_facet Ghazanlou, Siamak Imanian
Jalaly, Maisam
Sadeghzadeh, Sadegh
Korayem, Asghar Habibnejad
author_sort Ghazanlou, Siamak Imanian
collection PubMed
description In this study, fabrication of a composite containing the ordinary Portland cement (OPC) and magnetite (Fe(3)O(4)) micro/nanoparticles is reported. In the first stage, the cement paste samples with a fixed 0.2 wt.% Fe(3)O(4) additive in four different particle sizes (20–40 nm, 80–100 nm, 250–300 nm, and 1–2 µm) were prepared to check the effect of magnetite size. Magnetite was found to play an effective role in reinforcing cement matrix. The results showed that the cement paste reinforced by magnetite nanoparticles of 20–40 nm size range had the highest compressive, flexural, and tensile strengths compared to those of the other samples reinforced by larger particles. In the second stage, various amounts of the Fe(3)O(4) nanoparticles of 20–40 nm size range were added to the cement to evaluate the influence of magnetite amount and find the optimized reinforcement amount. It was revealed that adding 0.25 wt.% Fe(3)O(4) nanoparticles of 20–40 nm size range, as the optimal specimen, increased the compressive strength, flexural strength and tensile splitting strength by 23–32, 17–25, and 15–19%, respectively, and decreased the electrical resistance by 19–31%.
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spelling pubmed-70287202020-02-26 A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite Ghazanlou, Siamak Imanian Jalaly, Maisam Sadeghzadeh, Sadegh Korayem, Asghar Habibnejad Sci Rep Article In this study, fabrication of a composite containing the ordinary Portland cement (OPC) and magnetite (Fe(3)O(4)) micro/nanoparticles is reported. In the first stage, the cement paste samples with a fixed 0.2 wt.% Fe(3)O(4) additive in four different particle sizes (20–40 nm, 80–100 nm, 250–300 nm, and 1–2 µm) were prepared to check the effect of magnetite size. Magnetite was found to play an effective role in reinforcing cement matrix. The results showed that the cement paste reinforced by magnetite nanoparticles of 20–40 nm size range had the highest compressive, flexural, and tensile strengths compared to those of the other samples reinforced by larger particles. In the second stage, various amounts of the Fe(3)O(4) nanoparticles of 20–40 nm size range were added to the cement to evaluate the influence of magnetite amount and find the optimized reinforcement amount. It was revealed that adding 0.25 wt.% Fe(3)O(4) nanoparticles of 20–40 nm size range, as the optimal specimen, increased the compressive strength, flexural strength and tensile splitting strength by 23–32, 17–25, and 15–19%, respectively, and decreased the electrical resistance by 19–31%. Nature Publishing Group UK 2020-02-18 /pmc/articles/PMC7028720/ /pubmed/32071407 http://dx.doi.org/10.1038/s41598-020-59846-y Text en © The Author(s) 2020 Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.
spellingShingle Article
Ghazanlou, Siamak Imanian
Jalaly, Maisam
Sadeghzadeh, Sadegh
Korayem, Asghar Habibnejad
A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title_full A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title_fullStr A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title_full_unstemmed A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title_short A comparative study on the mechanical, physical and morphological properties of cement-micro/nanoFe(3)O(4) composite
title_sort comparative study on the mechanical, physical and morphological properties of cement-micro/nanofe(3)o(4) composite
topic Article
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7028720/
https://www.ncbi.nlm.nih.gov/pubmed/32071407
http://dx.doi.org/10.1038/s41598-020-59846-y
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