Solid-state interfacial reaction and load transfer efficiency in carbon nanotubes (CNTs)-reinforced aluminum matrix composites

Chen, Biao; Shen, Jianghua; Ye, X.; Imai, Hisashi; Umeda, Junko; Takahashi, Makoto; Kondoh, Katsuyoshi

doi:10.1016/j.carbon.2016.12.013

Cited by 333 publications

(88 citation statements)

References 53 publications

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“…This is because the carbides can enhance the matrix capability to efficiently transfer the external load to nanotubes. This approach is in good agreement with the results reported by Tjong et al [136], Esawi et al [137], Kwon et al [130,135] and Chen et al [138]. Table 3 gives some information about the presence of Al 4 C 3 in some CNT/Al composites with high strengthening effect.…”

Section: Al4c3 Andsupporting

confidence: 90%

“…The results indicate that the formation of Al 4 C 3 maybe doesn't have an adverse effect on the composite strength. The recent study by Chen et al [138] reveals that nano-sized interfacial Al 4 C 3 can noticeably enhance the load transfer efficiency, resulting in improved composite strength.…”

Section: Al4c3 Andmentioning

confidence: 99%

“…The recent study by Chen et al [138] reveals that nano-sized interfacial Al4C3 can noticeably enhance the load transfer efficiency, resulting in improved composite strength. The way the intermetallics affect the final properties of the nanocomposites strongly depends on their thickness.…”

Section: Al4c3 Andmentioning

confidence: 99%

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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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Section: Al4c3 Andsupporting

confidence: 90%

Section: Al4c3 Andmentioning

confidence: 99%

See 1 more Smart Citation

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Azarniya

Safavi

Sovizi

et al. 2017

Metals

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“…The matrix acts not only as a medium to transfer the load to reinforcements, but also as a load bearer [4,6]. There are different types of reinforcement, such as, SiCw, Si 3 N 4 w, carbon nanotubes (CNTs) [7,8], graphene nanoplatelets (GNPs) [9], and various ceramic particles in microor nano-sizes, etc. Thus, AMCs especially with precipitation-hardenable matrices possess superior strengths due to the added impediment to the motion of dislocations by precipitates [10].…”

Section: Introductionmentioning

confidence: 99%

Silicon Nitride Whisker-Reinforced Aluminum Matrix Composites: Twinning and Precipitation Behavior

et al. 2020

Metals

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Aluminum composites reinforced with ceramic whiskers exhibited a unique combination of high specific strength and superior specific modulus. A 20 vol.% Si3N4w/Al-11.5Si-1.0Mg-0.5Cu-0.5Ni (wt.%) composite was fabricated via squeeze casting in the present study. It was observed that the addition of silicon nitride (Si3N4) whiskers in the Al-Si cast alloy promoted extensive twinning in the eutectic silicon particles due to a coupled role of thermal stresses between the matrix and silicon and residual stresses present in the composite. Double aging peaks were present in the age-hardening curves. The precipitation mechanism involved the formation of Mg2Si and Al2CuMg phases. The presence of Si3N4 whiskers in the composite retarded the nucleation process of Mg2Si precipitate while enhancing its growth rate.

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“…However, the major drawback incurred during the incorporation of carbon nanofillers is related to their dispersion in the base matrix. Due to high surface energy, CNTs get easily entangled, whereas GNPs aim to restack because of large Van der Waals forces with strong π–π interactions . So, there is an insistent need of a procedure that could distribute these nanofillers more uniformly.…”

Section: Introductionmentioning

confidence: 99%

Role of the Hybrid Addition of Carbon Nanotubes and Graphene Nanoplatelets on the Corrosion Behavior of Plasma‐Sprayed Aluminum Oxide Nanocomposite Coating

et al. 2019

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The effect of synergistic reinforcement of two types of carbon nanofillers, carbon nanotubes (CNTs) and graphene nanoplatelets (GNPs), on the corrosion behavior of plasma‐sprayed alumina (Al2O3) nanocomposite coating in 3.5 wt% NaCl solution is studied. Incorporation of 1 wt% CNT and 0.5 wt% GNP into the Al2O3 matrix reduces the corrosion current density of the matrix from 2.78 to 0.21 μA cm−2, which drastically leads to a 13 times reduction in the corrosion rate of the Al2O3 matrix as compared with pure Al2O3 coating. The plausible reasons to this improvement are characterized by the filling of gaps, crevices, and microholes in the Al2O3 matrix by CNTs and GNPs and hydrophobic nature as well as chemical inertness of these reinforcements to the aggressive environment. Further, the corrosion products are analyzed by X‐ray diffraction and Raman spectroscopy for a much deeper insight into the mechanism of corrosion protection by these carbonaceous reinforcements. For the first time, the effect of CNT and GNP reinforcement on the corrosion behavior of plasma‐sprayed coatings is investigated.

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Solid-state interfacial reaction and load transfer efficiency in carbon nanotubes (CNTs)-reinforced aluminum matrix composites

Cited by 333 publications

References 53 publications

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Metallurgical Challenges in Carbon Nanotube-Reinforced Metal Matrix Nanocomposites

Silicon Nitride Whisker-Reinforced Aluminum Matrix Composites: Twinning and Precipitation Behavior

Role of the Hybrid Addition of Carbon Nanotubes and Graphene Nanoplatelets on the Corrosion Behavior of Plasma‐Sprayed Aluminum Oxide Nanocomposite Coating

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