Carbon nanotube reinforced aluminum composite coating via cold spraying

Bakshi, Srinivasa Rao; Singh, Virendra; Balani, Kantesh; McCartney, D.G.; Seal, Sudipta; Agarwal, Arvind

doi:10.1016/j.surfcoat.2008.05.042

Cited by 205 publications

(111 citation statements)

References 48 publications

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“…Furthermore, it has been observed that CNT has low wettability by most metals, resulting in low interaction with the matrix and low potential for strengthening by load transfer mechanisms [7][8][9] . Many authors have tried to improve CNT dispersion in metal matrix by several processing routes, as thermal spray 6,10 , high energy ball milling 11 , friction stir processing 12 . In most cases, it has been observed that the extreme processing conditions mainly related to high temperatures and stresses can damage the CNT structure 13,14 .…”

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confidence: 99%

Production of TiO2 Coated Multiwall Carbon Nanotubes by the Sol-Gel Technique

2017

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In recent years, efforts in developing high strength-low density materials are increasing significantly. One of the promising materials to attend this demand is the carbon nanotube (CNT), to be used mainly as a reinforcing phase in lightweight metal matrix composites (MMC). In the present work, the sol-gel technique has been employed to obtain TiO 2 coating on the surface of commercial multiwall carbon nanotubes (MWCNT). The aim of such coating is to improve the thermal stability of MWCNT in oxidize environment, which is necessary in most of MMC processing routes. Calcination in inert atmosphere was performed in order to crystallize a stable coating phase. The hybrid CNT/TiO 2 nanocomposite was characterized by X-Ray Diffractometry (XRD), Raman spectroscopy, Thermogravimetry (TGA) and Field Emission Gun -Scanning Electron Microscopy (FEG-SEM). The coating structure was observed to change from anatase to rutile, as the calcination temperature increases from 500 to 1000ºC. Results from thermogravimetric analysis showed that the samples calcined at 1000 ºC were more resistant to oxidation at high temperatures.

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confidence: 99%

Production of TiO2 Coated Multiwall Carbon Nanotubes by the Sol-Gel Technique

2017

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“…The velocity of the Al particles is found to be 500 m/s in similar conditions of cold spraying [42]. The hardness of the Al-BMG powder was measured to be 3.1 ± 0.5 GPa.…”

Section: Powder and Coating Morphologymentioning

confidence: 81%

“………… (1) where, ε p is the strain in the particle, H p , ρ p and ν p are the hardness (in MPa), density and velocity of the powder particle. The velocity of the Al particles is found to be 500 m/s in similar conditions of cold spraying [42]. The hardness of the Al-BMG powder was measured to be 3.1 ± 0.5 GPa.…”

Section: Powder and Coating Morphologymentioning

confidence: 81%

Cold sprayed aluminum based glassy coating: Synthesis, wear and corrosion properties

Lahiri

Gill

Scudino

et al. 2013

Surface and Coatings Technology

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“…10,15,16 However, nanomanufacturing capability has not yet been demonstrated for dry particle sprays, although various researchers have investigated particle-based deposition for a variety of purposes. Here, the scaling-down of the manufacturing regime for solvent-free dry particle sprays is proposed by NPDS.…”

Section: -14mentioning

confidence: 99%

Nanoscale patterning and welding by solvent-free dry particle spray and focused ion beam

Choi

Kim

2014

Int. J. of Precis. Eng. and Manuf.-Green Tech.

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Nano particle deposition system (NPDS) is one of dry particle spray methods such as cold spray and aerosol deposition. It can be used to build structures from metals, ceramics, and nanomaterials without any solvents at room temperature and under low vacuum conditions, reducing energy consumption. Recent advances in dry particle spray techniques, including NPDS, have demonstrated their use with advanced nanomaterials such as carbon nanotube. However, to date, this process has not been successfully scaled down to 100-nm scales. Here, we demonstrate the use of NPDS as dry particle spray method in the nanoscale regime with the help of a focused ion beam for nanoscale manufacturing. Nanoscale patterning and welding were achieved using a nano particle deposition system with miniaturized feature sizes that were smaller than 100 nm in scale.

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Carbon nanotube reinforced aluminum composite coating via cold spraying

Cited by 205 publications

References 48 publications

Production of TiO2 Coated Multiwall Carbon Nanotubes by the Sol-Gel Technique

Production of TiO2 Coated Multiwall Carbon Nanotubes by the Sol-Gel Technique

Cold sprayed aluminum based glassy coating: Synthesis, wear and corrosion properties

Nanoscale patterning and welding by solvent-free dry particle spray and focused ion beam

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