Fabrication and characterization of carbon nanotube reinforced magnesium matrix composites

Mindivan, Harun; Efe, Arife; Koşatepe, Abdulhadi; Kayalı, E. Sabri

doi:10.1016/j.apsusc.2014.04.127

Cited by 62 publications

(25 citation statements)

References 15 publications

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“…Herein, traces of intermetallic phase (i.e., carbide) formation could not be observed in the developed composite. In general, Mg-alloy contains aluminium particles that have the tendency to form carbide during sintering in the presence of carbon material [19]. Yet again, it can be observed that carbon particles were uniformly dispersed in the base matrix.…”

Section: Microstructural Characterization and Xrd Of The Fabricated Cmentioning

confidence: 98%

Investigation of graphene-reinforced magnesium metal matrix composites processed through a solvent-based powder metallurgy route

2019

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In the present investigation, AZ31 alloy is homogeneously reinforced with 0.2, 0.3, 0.4 and 0.5 wt% of reduced graphene oxide (r-GO) nanosheets for the first time through a series of methodologies involving solvent processing, mechanical alloying, cold pressing and finally sintering under argon atmosphere at 560 • C. Scanning Electron Microscopy (SEM) assisted with energy-dispersive X-ray analysis revealed that this inventive fabrication route is useful to easily disperse r-GO into the matrix material and thereby attain methodical homogeneity with a uniform particle size. The attained results show that amongst the others, addition of 0.4 wt% r-GO have obviously improved the hardness up to 64.6 HV and also yielded a better inhibition efficiency of 84% on corrosion. Any further increase of r-GO content resulted for significant decrease in the wear rate up to the level of 2.6 mm 3 Nm −1 .

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Section: Microstructural Characterization and Xrd Of The Fabricated Cmentioning

confidence: 98%

Investigation of graphene-reinforced magnesium metal matrix composites processed through a solvent-based powder metallurgy route

2019

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“…Also, agglomeration of CNT on the copper surface can accelerate a local corrosion due to a positive potential [37,38].…”

Section: Methodsmentioning

confidence: 99%

Fabrication and material characterization of copper and copper–CNT micropillars

Ghanbari

Darabi

2015

Mater. Res. Express

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In this work, copper micropillars and copper-carbon nanotube (CNT) composite micropillars were fabricated by incorporating an electrodeposition technique with a xurography process. In order to disperse carbon nanotubes in copper-CNT micropillars, various amounts of CNTs were added to the electroplating bath. Surface morphology and phase characterization of copper micropillars and copper-CNT composite micropillars were analyzed by optical microscopy and X-ray diffraction. In addition, the corrosion resistance (R p) of a bare copper substrate, copper micropillars, and optimum copper-CNT micropillars were studied by electrochemical impedance spectroscopy (EIS) technique in a 3.5 wt. % sodium chloride. Experimental results yielded a corrosion resistance of 200 Ω cm 2 for the bare copper substrate, 400 Ω cm 2 for copper micropillars, and 2550 Ω cm 2 for copper-CNT micropillars, indicating a significantly higher corrosion resistance for copper-CNT micropillars due to a lower chemical reactivity and refinement of crystal structure of copper in micropillars.

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“…Composites have been prepared with metal/alloy matrices of Al [11][12][13], Cu [14][15][16][17], Ni [18,19], Mg [20,21] and metallic glasses [22] reinforced with MWCNTs for the purpose of light weight, high-strength structural materials. Several fabrication routes namely powder metallurgy (P/M), ball milling, extrusion, hot pressing, equal-channel angular pressing, spark plasma sintering, electro-deposition, electro-less deposition and thermal spraying have been used to synthesize metal matrix composites with MWCNTs.…”

Section: Introductionmentioning

confidence: 99%

Effect of coarse grain content on microstructure, cold workability and strain hardening behavior of trimodaled AA 6061 nanocomposites reinforced with multi-walled carbon nanotubes

Jeyasimman

Narayanasamy

2016

Advanced Powder Technology

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Fabrication and characterization of carbon nanotube reinforced magnesium matrix composites

Cited by 62 publications

References 15 publications

Investigation of graphene-reinforced magnesium metal matrix composites processed through a solvent-based powder metallurgy route

Investigation of graphene-reinforced magnesium metal matrix composites processed through a solvent-based powder metallurgy route

Fabrication and material characterization of copper and copper–CNT micropillars

Effect of coarse grain content on microstructure, cold workability and strain hardening behavior of trimodaled AA 6061 nanocomposites reinforced with multi-walled carbon nanotubes

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