Influence of dispersion/mixture time on mechanical properties of Al–CNTs nanocomposites

Simões, Sónia; Viana, Filomena; Reis, M. A.; Vieira, Manuel F.

doi:10.1016/j.compstruct.2015.02.062

Cited by 66 publications

(45 citation statements)

References 24 publications

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“…Its high levels of stiffness and strength can lead to the production of nanocomposites with outstanding mechanical properties [12][13]. They introduce a new category of lightweight, super-strong functional materials in structural applications, energy storage, sensors and in biomedics.…”

Section: Introductionmentioning

confidence: 99%

Mechanical properties of graphene nanocomposites: A multiscale finite element prediction

Spanos

Georgantzinos

Anifantis

2015

Composite Structures

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Section: Introductionmentioning

confidence: 99%

Mechanical properties of graphene nanocomposites: A multiscale finite element prediction

Spanos

Georgantzinos

Anifantis

2015

Composite Structures

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“…In this case, Al 4 C 3 can be formed when the energy state of the mixed powders reaches to a sufficiently high level. It is believed that the long-term milling process can seriously damage the CNTs structure and lead to the in situ formation of Al 4 C 3 [87,129]. For instance, Ostovan et al [87] evaluated the microstructure of the milled powders for 8 and 12 h. It was found that the needle-like Al 4 C 3 is just formed after the milling for 12 h. It was attributed to the long-term milling-induced damage in CNTs.…”

Section: Chemical Reactionsmentioning

confidence: 99%

“…The produced atomic carbon from the mentioned sources can easily react with the matrix Al to form Al 4 C 3 . More importantly, the formation of Al 4 C 3 may consume the CNT walls or the entire CNT [129].…”

Section: Chemical Reactionsmentioning

confidence: 99%

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Azarniya

Safavi

Sovizi

et al. 2017

Metals

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Abstract:The inclusion of carbon nanotubes (CNTs) into metallic systems has been the main focus of recent literature. The aim behind this approach has been the development of a new property or improvement of an inferior one in CNT-dispersed metal matrix nanocomposites. Although it has opened up new possibilities for promising engineering applications, some practical challenges have restricted the full exploitation of CNTs' unique characteristics. Non-uniform dispersion of CNTs in the metallic matrix, poor interfacial adhesion at the CNT/metal interface, the unfavorable chemical reaction of CNTs with the matrix, and low compactability are the most significant challenges, requiring more examination. The present paper provides a broad overview of the mentioned challenges, the way they occur, and their adverse influences on the physicomechanical properties of CNT-reinforced metal matrix nanocomposites. The suggested solutions to these issues are fully addressed.

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“…The tensile tests were performed at a rate of 0.2 mm/s; five specimens were tested for each condition. The geometry of the specimens is described elsewhere [14,15].…”

Section: Methodsmentioning

confidence: 99%

“…Therefore, through this synthesis, a CNT agglomerates filled with aluminum carbide was obtained. After that, these nanocomposites were applied in an aluminum matrix using powder metallurgy showed by these authors in previous works [14,15].…”

Section: Introductionmentioning

confidence: 99%

One-Step Synthesis and Characterization of a Nanocomposite Based on Carbon Nanotubes/Aluminum and Its Reinforcement Effect on the Metal Matrix

Reis¹,

Rodrigues²,

Nero³

et al. 2015

JMSE-B

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Abstract:The nanocomposite based on carbon nanotubes/aluminum (CNT/Al) was one-step prepared by the DC arc discharge method under an argon/acetone mixed atmosphere. Synthesis was performed by arc plasma on a pure graphite rod, filled by aluminum powder as an anode and aluminum plate as a cathode. Discharge conditions of 85 A and 20 V were used at a pressure range of 375 to 750 Torr. The CNT/Al was characterized by Scanning Electron Microscopy with Energy Dispersive Spectroscopy; Transmission Electron Microscopy; Laser Diffraction Particle Size Analysis; X-Ray Diffraction; Raman Spectroscopy; Thermogravimetric Analysis; and, its reinforcement effect of the CNTs on the aluminum matrix was measured by Vickers microhardness test. This nanocomposite shows agglomerates of multiwalled carbon nanotubes filled with Al 4 C 3 and blended with aluminum particles; moreover, in the nanocomposites was found a hardness increase of 40% for nanocomposites with 1.0 wt.% of CNT/Al.

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Influence of dispersion/mixture time on mechanical properties of Al–CNTs nanocomposites

Cited by 66 publications

References 24 publications

Mechanical properties of graphene nanocomposites: A multiscale finite element prediction

Mechanical properties of graphene nanocomposites: A multiscale finite element prediction

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

One-Step Synthesis and Characterization of a Nanocomposite Based on Carbon Nanotubes/Aluminum and Its Reinforcement Effect on the Metal Matrix

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