The Influence of Graphene Nanoplatelets Addition on the Electrical and Mechanical Properties of Pure Aluminum Used in High-Capacity Conductors

The main objective of this research is to assess a graphene/Al nanocomposite with a higher strength and conductivity for use in high-capacity conductors in power transmission lines. In this study, the graphene/Al nanocomposite and pure aluminum specimens were prepared using ball milling of aluminum...

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Bibliographic Details
Published in:Metals (Basel ) 2022-11, Vol.12 (11), p.1883
Main Authors: Azizi, Zahra, Rahmani, Khosro, Taheri-Behrooz, Fathollah
Format: Article
Language:English
Subjects:
Al 1350
Alloys
Aluminum
Aluminum composites
Analysis
Annealing
Ball milling
Chemical vapor deposition
Conductors
Electrical conductivity
Electrical resistivity
Electromagnetic stirring
Electromagnetism
Elongation
Founding
Graphene
graphene nanoplatelets
Graphite
Hot extrusion
Investigations
Levitation casting
mechanical and electrical properties
Mechanical drives
Mechanical properties
Microstructure
Nanocomposites
Powder metallurgy
Powders
Power lines
Power transmission
Spectrum analysis
Tensile strength
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Summary:The main objective of this research is to assess a graphene/Al nanocomposite with a higher strength and conductivity for use in high-capacity conductors in power transmission lines. In this study, the graphene/Al nanocomposite and pure aluminum specimens were prepared using ball milling of aluminum and graphene powders, the mechanical-electromagnetic stirrer casting process, hot extrusion and finally, annealing. The microstructural, mechanical and electrical behavior of the Al 1350 nanocomposite cast reinforced with 0.5 wt% graphene and unreinforced aluminum were studied at 20 °C and 180 °C temperatures. The results revealed that, by adding graphene to pure aluminum, the tensile strength, toughness and electrical conductivity increased, but the elongation of the Al–0.5 wt% GNP composite decreased at both temperatures.
ISSN:2075-4701
2075-4701
DOI:10.3390/met12111883