Deformation behavior of aluminum alloy matrix composites reinforced with few-layer graphene

S. E. Shin; D. H. Bae

doi:10.1016/j.compositesa.2015.08.001

Deformation behavior of aluminum alloy matrix composites reinforced with few-layer graphene

S. E. Shin, D. H. Bae

Department of Materials Science and Engineering

Research output: Contribution to journal › Article › peer-review

158 Citations (Scopus)

Abstract

Microstructure and mechanical properties of aluminum alloy 2024 (Al2024)/few-layer graphene (FLG) composites produced by ball milling and hot rolling have been investigated. The presence of dispersed FLGs with high specific surface area significantly increases the strength of the composites. The composite containing 0.7 vol.% FLGs exhibits tensile strength of 700 MPa, two times higher than that of monolithic Al2024, and around 4% elongation to failure. During plastic deformation, restricted dislocation activities and the accumulated dislocation at between FLGs may contribute to strengthening of Al2024/FLG composites.

Original language	English
Pages (from-to)	42-47
Number of pages	6
Journal	Composites Part A: Applied Science and Manufacturing
Volume	78
DOIs	https://doi.org/10.1016/j.compositesa.2015.08.001
Publication status	Published - 2015 Aug 11

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd.

All Science Journal Classification (ASJC) codes

Ceramics and Composites
Mechanics of Materials

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10.1016/j.compositesa.2015.08.001

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abstract = "Microstructure and mechanical properties of aluminum alloy 2024 (Al2024)/few-layer graphene (FLG) composites produced by ball milling and hot rolling have been investigated. The presence of dispersed FLGs with high specific surface area significantly increases the strength of the composites. The composite containing 0.7 vol.% FLGs exhibits tensile strength of 700 MPa, two times higher than that of monolithic Al2024, and around 4% elongation to failure. During plastic deformation, restricted dislocation activities and the accumulated dislocation at between FLGs may contribute to strengthening of Al2024/FLG composites.",

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AB - Microstructure and mechanical properties of aluminum alloy 2024 (Al2024)/few-layer graphene (FLG) composites produced by ball milling and hot rolling have been investigated. The presence of dispersed FLGs with high specific surface area significantly increases the strength of the composites. The composite containing 0.7 vol.% FLGs exhibits tensile strength of 700 MPa, two times higher than that of monolithic Al2024, and around 4% elongation to failure. During plastic deformation, restricted dislocation activities and the accumulated dislocation at between FLGs may contribute to strengthening of Al2024/FLG composites.

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Deformation behavior of aluminum alloy matrix composites reinforced with few-layer graphene

Abstract

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