Premium
Microstructure and Mechanical Properties of Al/Graphene Composite Produced by High‐Pressure Torsion
Author(s) -
Zhao Liyuan,
Lu Huimin,
Gao Zhijiang
Publication year - 2015
Publication title -
advanced engineering materials
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.938
H-Index - 114
eISSN - 1527-2648
pISSN - 1438-1656
DOI - 10.1002/adem.201400375
Subject(s) - materials science , graphene , composite number , composite material , torsion (gastropod) , microstructure , strengthening mechanisms of materials , carbon nanotube , nanotechnology , medicine , surgery
In this work, an Al‐matrix composite reinforced by graphene platelets is first fabricated successfully using high‐pressure torsion at room temperature. The dispersion of graphene platelets in the matrix is homogeneous. Compared with pure Al and Al–matrix composite reinforced by multi‐walled carbon nanotubes (MWNTs), significant grain refinement and enhanced mechanical properties are achieved in Al/graphene composite. The enhancement in strength is attributed to grain refinement, load transfer, and Orowan bypass mechanism.