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Journal Article•DOI•

Reinforcement with graphene nanosheets in aluminum matrix composites

J.N. Wang1, Zhiqiang Li1, Genlian Fan1, Huanhuan Pan1, Zhixin Chen2, Di Zhang1 •
Shanghai Jiao Tong University1, University of Wollongong2
01 Apr 2012-Scripta Materialia (Pergamon)-Vol. 66, Iss: 8, pp 594-597
TL;DR: In this article, aluminum composites reinforced with graphene nanosheets (GNSs) were fabricated for the first time through a feasible methodology based on flake powder metallurgy.
About: This article is published in Scripta Materialia.The article was published on 2012-04-01 and is currently open access. It has received 729 citations till now. The article focuses on the topics: Ultimate tensile strength & Graphene.

Summary (1 min read)

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Summary

  • Graphene has a high fracture strength of 125 GPa, making it an ideal reinforcement for composite materials.
  • Aluminum composites reinforced with graphene nanosheets (GNSs) were fabricated for the first time through a feasible methodology based on flake powder metallurgy.
  • The tensile strength of 249 MPa was achieved in the Al composite reinforced with only 0.3 wt.% GNSs, which is 62% enhancement over the unreinforced Al matrix.
  • The relevant strengthening mechanisms involved in the GNS/Al composites were discussed along with experimental procedure.

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Journal Article•DOI•
Recent progress in the development and properties of novel metal matrix nanocomposites reinforced with carbon nanotubes and graphene nanosheets

[...]

Sie Chin Tjong1, Sie Chin Tjong2•
City University of Hong Kong1, King Abdulaziz University2
01 Oct 2013-Materials Science & Engineering R-reports
TL;DR: In this article, the authors focus on the recent development in the synthesis, property characterization and application of aluminum, magnesium, and transition metal-based composites reinforced with carbon nanotubes and graphene nanosheets.
Abstract: One-dimensional carbon nanotubes and two-dimensional graphene nanosheets with unique electrical, mechanical and thermal properties are attractive reinforcements for fabricating light weight, high strength and high performance metal-matrix composites. Rapid advances of nanotechnology in recent years enable the development of advanced metal matrix nanocomposites for structural engineering and functional device applications. This review focuses on the recent development in the synthesis, property characterization and application of aluminum, magnesium, and transition metal-based composites reinforced with carbon nanotubes and graphene nanosheets. These include processing strategies of carbonaceous nanomaterials and their composites, mechanical and tribological responses, corrosion, electrical and thermal properties as well as hydrogen storage and electrocatalytic behaviors. The effects of nanomaterial dispersion in the metal matrix and the formation of interfacial precipitates on these properties are also addressed. Particular attention is paid to the fundamentals and the structure–property relationships of such novel nanocomposites.

877 citations

Journal Article•DOI•
Mechanical and tribological properties of self-lubricating metal matrix nanocomposites reinforced by carbon nanotubes (CNTs) and graphene – A review

[...]

Afsaneh Dorri Moghadam1, Emad Omrani1, Pradeep L. Menezes1, Pradeep K. Rohatgi1•
University of Wisconsin–Milwaukee1
01 Aug 2015-Composites Part B-engineering
TL;DR: In this paper, the authors focus on the recent development in mechanical and tribological behavior of self-lubricating metallic nanocomposites reinforced by carbonous nanomaterials such as CNT and graphene.
Abstract: Rapid innovation in nanotechnology in recent years enabled development of advanced metal matrix nanocomposites for structural engineering and functional devices. Carbonous materials, such as graphite, carbon nanotubes (CNT's), and graphene possess unique electrical, mechanical, and thermal properties. Owe to their lubricious nature, these carbonous materials have attracted researchers to synthesize lightweight self-lubricating metal matrix nanocomposites with superior mechanical and tribological properties for several applications in automotive and aerospace industries. This review focuses on the recent development in mechanical and tribological behavior of self-lubricating metallic nanocomposites reinforced by carbonous nanomaterials such as CNT and graphene. The review includes development of self-lubricating nanocomposites, related issues in their processing, their characterization, and investigation of their tribological behavior. The results reveal that adding CNT and graphene to metals decreases both coefficient of friction and wear rate as well as increases the tensile strength. The mechanisms involved for the improved mechanical and tribological behavior is discussed.

673 citations

Cites background or methods from "Reinforcement with graphene nanoshe..."

  • ...pulled out from the fracture surface [31]...

    [...]

  • ...Hence, the graphene too is a good substitution for CNTs as reinforcement for metal matrix composites [31]....

    [...]

  • ...To the authors' knowledge, so far, aluminum matrix composite reinforced by graphene has successfully produced only by powder metallurgy method [31,48]....

    [...]

  • ...extrusion [31]....

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  • ...3 wt% GNS/Al composite [31]....

    [...]

Journal Article•DOI•
Enhanced Mechanical Properties of Graphene/Copper Nanocomposites Using a Molecular-Level Mixing Process

[...]

Jaewon Hwang1, Taeshik Yoon1, Sung Hwan Jin1, Jinsup Lee1, Taek-Soo Kim1, Soon Hyung Hong1, Seokwoo Jeon1 •
KAIST1
01 Dec 2013-Advanced Materials
TL;DR: The strengthening mechanism of the RGO is investigated by a double cantilever beam test using the graphene/Cu model structure and the yield strength of the 2.5 vol% RGO/Cu nanocomposite is 1.8 times higher than that of pure Cu.
Abstract: RGO flakes are homogeneously dispersed in a Cu matrix through a molecular-level mixing process. This novel fabrication process prevents the agglomeration of the RGO and enhances adhesion between the RGO and the Cu. The yield strength of the 2.5 vol% RGO/Cu nanocomposite is 1.8 times higher than that of pure Cu. The strengthening mechanism of the RGO is investigated by a double cantilever beam test using the graphene/Cu model structure.

577 citations

Journal Article•DOI•
Review on superior strength and enhanced ductility of metallic nanomaterials

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Ilya A. Ovid'ko1, Ilya A. Ovid'ko2, Ruslan Z. Valiev2, Ruslan Z. Valiev3, Yuntian Zhu4, Yuntian Zhu5 •
Saint Petersburg State Polytechnic University1, Saint Petersburg State University2, Ufa State Aviation Technical University3, North Carolina State University4, Nanjing University of Science and Technology5
01 May 2018-Progress in Materials Science
TL;DR: In this article, the authors present an overview of experimental data and theoretical concepts addressing the unique combination of superior strength and enhanced ductility of metallic nanomaterials, and consider the basic approaches and methods for simultaneously optimizing their strength and ductility, employing principal deformation mechanisms, crystallographic texture, chemical composition as well as second-phase nano-precipitates, carbon nanotubes and graphene.

573 citations

Journal Article•DOI•
Graphene reinforced metal and ceramic matrix composites: a review

[...]

Andy Nieto1, Ankita Bisht2, Debrupa Lahiri2, Cheng Zhang3, Arvind Agarwal3 •
University of California, Davis1, Indian Institute of Technology Roorkee2, Florida International University3
04 Jul 2017-International Materials Reviews
TL;DR: The use of graphene as reinforcement for structural materials is motivated by their exceptional mechanical/functional properties and their unique physical/chemical characteristics as discussed by the authors. But this review focuses on MMCs and CMCs because of their technological importance for structural applications and the unique challenges associated with developing high-temperature composites with nanoparticle reinforcements.
Abstract: This review critically examines the current state of graphene reinforced metal (GNP-MMC) and ceramic matrix composites (GNP-CMC) The use of graphene as reinforcement for structural materials is motivated by their exceptional mechanical/functional properties and their unique physical/chemical characteristics This review focuses on MMCs and CMCs because of their technological importance for structural applications and the unique challenges associated with developing high-temperature composites with nanoparticle reinforcements The review discusses processing techniques, effects of graphene on the mechanical behaviour of GNP-MMCs and GNP-CMCs, including early studies on the tribological performance of graphene-reinforced composites, where graphene has shown signs of serving as a protective and lubricious phase Additionally, the unique functional properties endowed by graphene to GNP-MMCs and GNP-CMCs, such as enhanced thermal/electrical conductivity, improved oxidation resistance, and excellent bi

456 citations

Cites background from "Reinforcement with graphene nanoshe..."

  • ...be more readily compacted before sintering and forming steps [40]....

    [...]

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Measurement of the Elastic Properties and Intrinsic Strength of Monolayer Graphene

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Changgu Lee1, Xiaoding Wei1, Jeffrey W. Kysar1, James Hone1, James Hone2 •
Columbia University1, DARPA2
18 Jul 2008-Science
TL;DR: Graphene is established as the strongest material ever measured, and atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.
Abstract: We measured the elastic properties and intrinsic breaking strength of free-standing monolayer graphene membranes by nanoindentation in an atomic force microscope. The force-displacement behavior is interpreted within a framework of nonlinear elastic stress-strain response, and yields second- and third-order elastic stiffnesses of 340 newtons per meter (N m(-1)) and -690 Nm(-1), respectively. The breaking strength is 42 N m(-1) and represents the intrinsic strength of a defect-free sheet. These quantities correspond to a Young's modulus of E = 1.0 terapascals, third-order elastic stiffness of D = -2.0 terapascals, and intrinsic strength of sigma(int) = 130 gigapascals for bulk graphite. These experiments establish graphene as the strongest material ever measured, and show that atomically perfect nanoscale materials can be mechanically tested to deformations well beyond the linear regime.

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Journal Article•DOI•
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[...]

Alexander A. Balandin1, Suchismita Ghosh1, Wenzhong Bao1, Irene Calizo1, Desalegne Teweldebrhan1, Feng Miao1, Chun Ning Lau1 •
University of California, Riverside1
20 Feb 2008-Nano Letters
TL;DR: The extremely high value of the thermal conductivity suggests that graphene can outperform carbon nanotubes in heat conduction and establishes graphene as an excellent material for thermal management.
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Columbia University1, Alcatel-Lucent2
01 Jun 2008-Solid State Communications
TL;DR: In this paper, a single layer graphene was suspended ∼150nm above a Si/SiO2 gate electrode and electrical contacts to the graphene was achieved by a combination of electron beam lithography and etching.

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Frequently Asked Questions (1)
Q1. What have the authors contributed in "Reinforcement with graphene nanosheets in aluminum matrix composites" ?

In this paper, aluminum composites reinforced with graphene nanosheets ( GNSs ) were fabricated for the first time through a feasible methodology based on flake powder metallurgy.