Preparation and characterization of multilayer graphene by mechanical milling and related applications for ceramic composites

Kun, Péter and Tapasztó, Orsolya and Czigány, Zsolt and Balázsi, Csaba (2013) Preparation and characterization of multilayer graphene by mechanical milling and related applications for ceramic composites. Materials Science Forum, 729. pp. 252-259. ISSN 0255-5476

Text MaterSciForum_Preparation_729_252.pdf - Published Version Restricted to Registered users only Download (1MB) | Request a copy

Abstract

As graphene nanomaterials present exceptional mechanical, thermal and electric properties therefore it can be an excellent reinforcement material for ceramic composites. The research of ceramic composites incorporated with carbon-based fillers has focused on carbon nanotubes until now. In this work silicon nitride-based nanocomposites have been prepared with different ammount (1 and 3 wt%) of multilayer graphene (MLG) made by mechanical milling-based method as well as exfoliated graphite nanoplatelets (xGnP) and nano graphene platelets (Angstron) in comparison. The morphology and microstructure of the sintered samples were studied by scanning electron microscope and transmission electron microscope. Phase compositions were determined by X-ray diffractometer. The bending strength and elastic modulus of MLG-silicon nitride composites showed enhanced values compared to the other graphene reinforced silicon nitride ceramic composites.

Actions (login required)

Edit Item