|About this Abstract
||2018 TMS Annual Meeting & Exhibition
||Nanocomposites V: Structure-Property Relationships in Nanostructured Materials
||Synthesis, Characterization, and Properties of Graphene Reinforced Metal-matrix Nano Composites Using Powder Metallurgy
||Meysam Tabandeh-Khorshid, Sourav Das, Ajay Kumar P., Benjamin F. Schultz, Changsoo Kim, Pradeep K. Rohatgi
|On-Site Speaker (Planned)
Although much effort has been exerted in employing graphene as reinforcement materials due to its extraordinary high strength and high modulus, the metal-matrix graphene nanocomposites still exhibit large scatters with high unpredictability in their physical and mechanical properties. In this presentation, we review recent research progress on the synthesis of metal-matrix graphene nanocomposites using powder metallurgy technique involving milling, compaction, and extrusion or rolling with special emphasis on the agglomeration of graphene, interfacial bonding and reaction between metal-matrix and graphene. We will thoroughly discuss the strengthening mechanisms such as grain refinement, oxide dispersions, impeding of dislocations by graphene, load transfer between the matrix and graphene, and CTE mismatch in the metal-matrix graphene nanocomposites. Theoretical models on the effects of graphene on mechanical properties including tribological behaviors will also be provided and compared with existing experimental observations along with potential future research directions.
||Planned: Supplemental Proceedings volume