Journal
COMPOSITES PART A-APPLIED SCIENCE AND MANUFACTURING
Volume 78, Issue -, Pages 42-47Publisher
ELSEVIER SCI LTD
DOI: 10.1016/j.compositesa.2015.08.001
Keywords
Metal matrix composites (MMCs); Mechanical properties; Microstructures; Powder processing
Funding
- National Research Foundation of Korea (NRF) - Ministry of Education [2013R1A2A2A01068931]
- Agency for Defense Development (ADD) of the Republic of Korea
- National Research Foundation of Korea [2013R1A2A2A01068931] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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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. (C) 2015 Elsevier Ltd. All rights reserved.
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