Published January 1, 2013
| Version v1
Conference paper
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Structural and mechanical properties of milled Si3N4/cnts composites by spark plasma sintering method
Creators
- 1. Hungarian Acad Sci, Res Ctr Nat Sci, Inst Tech Phys & Mat Sci, Konkoly Thege Ut 29-33, H-1121 Budapest, Hungary
- 2. Hungarian Acad Sci, Inst Mat & Environm Chem, Res Ctr Nat Sci, H-1025 Budapest, Hungary
Description
Multiwall carbon nanotubes were dispersed with a concentration of 3wt% in silicon nitride ceramic host. A high efficiency attritor mill has been used for an effective dispersion of the filler phase in the matrix. In this work we have developed a spark plasma sintering process (SPS) suitable to consolidate and tailor the microstructure of CNT-reinforced silicon nitride-based ceramic composites. Mechanical measurements, micro-indentation investigations of the hardness and fracture toughness have been performed. Scanning electron microscopy has been involved in order to reveal the microstructure of the resulting composites.
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