Microstructures and mechanical properties of carbon nanotubes reinforced pure aluminum composites synthesized by spark plasma sintering and hot rolling

Guo, Baisong; Ni, Song; Yi, Jianhong; Shen, Rujuan; Tang, Zhaoping; Du, Yong; Song, Min

doi:10.1016/j.msea.2017.05.068

Cited by 87 publications

(26 citation statements)

References 43 publications

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“…Cavaliere et al added 0.5% and 1% CNTs to Al matrix followed by spark plasma sintering at a very low pressure (≈75 mbar) and observed an increase in UTS by 25% compared with the pure Al alloy prepared by a similar route. However, some researchers reported that hot pressing is not an effective way for CNT/Al composites as it leads to the formation of CNT clusters, thermal damage to CNTs, severe interfacial reaction between Al matrix and CNTs, and growth of intermetallics by thermally activated diffusion, etc …”

Section: Processing Methodsmentioning

confidence: 99%

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Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Mohammed

Chen

2019

Adv Eng Mater

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Herein, the investigations conducted in the area of aluminum (Al) matrix composites reinforced with carbon nanotubes (CNTs) are presented. The application of CNT reinforcement in Al alloys is driven by its exceptional chemical and mechanical properties. The critical issues in the processing techniques, challenges in the interfacial mechanisms between the Al matrix and CNTs, and strengthening effects due to the presence of reinforcements are reviewed. The mechanical properties of CNT/Al composites are found to be effectively enhanced with an addition of CNTs even at a small amount. The extent of strength improvements depends mainly on the dispersion of CNTs in the matrix and interfacial bonding between the matrix and CNTs. Limited theoretical modeling can predict the properties of CNT/Al composites to some extent, but without considering the detailed processing parameters. Based on the gaps identified here, future research directions are suggested, including the relationships between the processing parameters and micro-and nanostructures, and multiscale mechanical modeling and simulation, aiming to further understand the strengthening mechanisms and develop advanced CNT-reinforced Al and other metal composites for critical engineering applications.

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Section: Processing Methodsmentioning

confidence: 99%

“…However, some researchers reported that hot pressing is not an effective way for CNT/Al composites as it leads to the formation of CNT clusters, thermal damage to CNTs, severe interfacial reaction between Al matrix and CNTs, and growth of intermetallics by thermally activated diffusion, etc. [72][73][74]…”

Section: Powder Metallurgymentioning

confidence: 99%

Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Mohammed

Chen

2019

Adv Eng Mater

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“…The nanocomposite processing parameters such as applied temperature/pressure and post thermal/mechanical treatments are among factors affecting CNT/matrix interfacial adhesion. Guo et al [172] fabricated CNT-Al nanocomposites through spark plasma sintering followed by hot rolling process and reported that higher sintering temperature (630 • C vs. 590 • C) provides a stronger cohesion force for Al-CNTs and Al-Al particles due to higher degree of densification.…”

Section: Cnt Pinning-induced Grain Refinementmentioning

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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“…Researchers have developed composites based on the cost, availability, and properties of the reinforcement particles. The ceramic reinforcements such as silica (SiO 2 ), 17 titanium dioxide (TiO 2 ), 18 alumina (Al 2 O 3 ), 19 titanium carbide (TiC), 20 boron carbide (B 4 C), 21 graphite (Gr), 22 carbon nanotube (CNT), 23 silicon carbide (SiCp), 24 aluminium nitride (AlN), 25 silicon nitride (Si 3 N 4 ), 26 titanium nitride (TiN), 27 boron nitride (BN), 28 titanium diboride (TiB 2 ), 29 tungsten trioxide (WO 3 ), 30 and tungsten carbide (WC) 31 are few particulates studied by various researchers, but silicon carbide was mostly used as primary reinforcement for fabrication of aluminium nanocomposites. Salehi et al 17 fabricated aluminium reinforced SiO 2 nanocomposites by varying the weight percentage of reinforcement through ultrasonic assisted stir casting technique.…”

Section: Introductionmentioning

confidence: 99%

“…Research reported in the literature on properties of different nano ceramic reinforcements [17][18][19][20][21][22][23][24][25][26][27][28][29][30][31][32]. …”

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confidence: 99%

Al/SiC_NP and Al/SiC_NP/X nanocomposites fabrication and properties: A review

Reddy

Krishna

Rao

2017

Proceedings of the Institution of Mechanical Engineers, Part N:

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Global requirement for minimum cost, high efficiency, and good grade materials has made a diversion in research from base alloys to composite materials, since the last five decades. In the case of metal matrix composites, aluminium metal matrix composites have been certified and steadily advanced due to properties such as high strength, low density, and high wear resistance. They are widely used in automobile industry, aircraft industry, structural applications, and many other defence systems. Researchers have observed that the addition of nano-size SiC NP reinforcements to aluminiumbased matrix yields superior properties and good bonding characteristics between matrix and reinforcements of nanocomposites. Along with silicon carbide particulate primary nano-reinforcements, researchers studied the properties of aluminium metal matrix nanocomposites with the addition of secondary reinforcements. These hybrid nanocomposites exhibited improved wear resistance. This article reviews the fabrication methods, mechanical properties, and tribological properties of aluminium-based hybrid metal matrix nanocomposites.

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Microstructures and mechanical properties of carbon nanotubes reinforced pure aluminum composites synthesized by spark plasma sintering and hot rolling

Cited by 87 publications

References 43 publications

Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Al/SiC_NP and Al/SiC_NP/X nanocomposites fabrication and properties: A review

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Microstructures and mechanical properties of carbon nanotubes reinforced pure aluminum composites synthesized by spark plasma sintering and hot rolling

Cited by 87 publications

References 43 publications

Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Carbon Nanotube‐Reinforced Aluminum Matrix Composites

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Al/SiCNP and Al/SiCNP/X nanocomposites fabrication and properties: A review

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Al/SiC_NP and Al/SiC_NP/X nanocomposites fabrication and properties: A review