Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering

This paper aims to investigate different properties of the Fe-Al matrix reinforced with multi-walled carbon nanotube (MWCNT) nanocomposites with the Al volume content up to 65%, according to the Fe-Al combination. In addition, the effect of adding Co content on the improvement of the soft magnetic p...

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Main Authors: Alexandre Tugirumubano, Sun Ho Go, Hee Jae Shin, Lee Ku Kwac, Hong Gun Kim
Format: Article
Language:English
Published: MDPI AG 2020-02-01
Series:Nanomaterials
Subjects:
Online Access:https://www.mdpi.com/2079-4991/10/3/436
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spelling doaj-661c6e76879e4d718d0f563f8c055d252020-11-25T02:15:07ZengMDPI AGNanomaterials2079-49912020-02-0110343610.3390/nano10030436nano10030436Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma SinteringAlexandre Tugirumubano0Sun Ho Go1Hee Jae Shin2Lee Ku Kwac3Hong Gun Kim4Institute of Carbon Technology, Jeonju University, Jeonju-si 55069, KoreaInstitute of Carbon Technology, Jeonju University, Jeonju-si 55069, KoreaInstitute of Carbon Technology, Jeonju University, Jeonju-si 55069, KoreaInstitute of Carbon Technology, Jeonju University, Jeonju-si 55069, KoreaInstitute of Carbon Technology, Jeonju University, Jeonju-si 55069, KoreaThis paper aims to investigate different properties of the Fe-Al matrix reinforced with multi-walled carbon nanotube (MWCNT) nanocomposites with the Al volume content up to 65%, according to the Fe-Al combination. In addition, the effect of adding Co content on the improvement of the soft magnetic properties of the nanocomposites was carried out. The nanocomposites were fabricated using the powder metallurgy process. The iron-aluminum metal matrix reinforced multi-walled carbon nanotube (Fe-Al-MWCNT) nanocomposites showed a continuous increase of saturation magnetization from 90.70 A.m<sup>2</sup>/kg to 167.22 A.m<sup>2</sup>/kg and microhardness, whereas the electrical resistivity dropped as the Al content increased. The incorporation of Co nanoparticles in Fe-Al-MWCNT up to 35 vol% of Co considerably improved the soft magnetic properties of the nanocomposites by reducing the coercivity and retentivity up to 42% and 47%, respectively. The results showed that Al-based magnetic nanocomposites with a high Al volume content can be tailored using ferromagnetic particles. The composites with a volume content of magnetic particles (Fe+Co) greater than 60 vol% exhibited higher saturation magnetization, higher coercivity, and higher retentivity than the standard Sendust core. Moreover, the produced composites can be used for the lightweight magnetic core in electromagnetic devices due to their low density and good magnetic and mechanical properties.https://www.mdpi.com/2079-4991/10/3/436magnetic hybrid nanocompositesnanoparticlesmagnetic propertiesmechanical propertiesspark plasma sintering
collection DOAJ
language English
format Article
sources DOAJ
author Alexandre Tugirumubano
Sun Ho Go
Hee Jae Shin
Lee Ku Kwac
Hong Gun Kim
spellingShingle Alexandre Tugirumubano
Sun Ho Go
Hee Jae Shin
Lee Ku Kwac
Hong Gun Kim
Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
Nanomaterials
magnetic hybrid nanocomposites
nanoparticles
magnetic properties
mechanical properties
spark plasma sintering
author_facet Alexandre Tugirumubano
Sun Ho Go
Hee Jae Shin
Lee Ku Kwac
Hong Gun Kim
author_sort Alexandre Tugirumubano
title Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
title_short Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
title_full Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
title_fullStr Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
title_full_unstemmed Magnetic, Electrical, and Mechanical Behavior of Fe-Al-MWCNT and Fe-Co-Al-MWCNT Magnetic Hybrid Nanocomposites Fabricated by Spark Plasma Sintering
title_sort magnetic, electrical, and mechanical behavior of fe-al-mwcnt and fe-co-al-mwcnt magnetic hybrid nanocomposites fabricated by spark plasma sintering
publisher MDPI AG
series Nanomaterials
issn 2079-4991
publishDate 2020-02-01
description This paper aims to investigate different properties of the Fe-Al matrix reinforced with multi-walled carbon nanotube (MWCNT) nanocomposites with the Al volume content up to 65%, according to the Fe-Al combination. In addition, the effect of adding Co content on the improvement of the soft magnetic properties of the nanocomposites was carried out. The nanocomposites were fabricated using the powder metallurgy process. The iron-aluminum metal matrix reinforced multi-walled carbon nanotube (Fe-Al-MWCNT) nanocomposites showed a continuous increase of saturation magnetization from 90.70 A.m<sup>2</sup>/kg to 167.22 A.m<sup>2</sup>/kg and microhardness, whereas the electrical resistivity dropped as the Al content increased. The incorporation of Co nanoparticles in Fe-Al-MWCNT up to 35 vol% of Co considerably improved the soft magnetic properties of the nanocomposites by reducing the coercivity and retentivity up to 42% and 47%, respectively. The results showed that Al-based magnetic nanocomposites with a high Al volume content can be tailored using ferromagnetic particles. The composites with a volume content of magnetic particles (Fe+Co) greater than 60 vol% exhibited higher saturation magnetization, higher coercivity, and higher retentivity than the standard Sendust core. Moreover, the produced composites can be used for the lightweight magnetic core in electromagnetic devices due to their low density and good magnetic and mechanical properties.
topic magnetic hybrid nanocomposites
nanoparticles
magnetic properties
mechanical properties
spark plasma sintering
url https://www.mdpi.com/2079-4991/10/3/436
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