Nano Science and Technology Institute
Nanotech 2010 Vol. 1
Nanotech 2010 Vol. 1
Nanotechnology 2010: Advanced Materials, CNTs, Particles, Films and Composites
Chapter 5: Composite Materials

Effect of Bimodal Micro-Nano Powder Mixture on the Solids Loading and Pressureless Sintering of Silicon Carbide and Aluminum Nitride

Authors:V. Onbattuvelli, G. Purdy, S. Ramamoothi, S.V. Atre
Affilation:Oregon State University, US
Pages:800 - 803
Keywords:bimodal, solids loading, pressureless sintering
Abstract:Solids loading of around 65 vol.% (against the reported 50 vol.%) and 70 vol.% (against the reported 56 vol.%) were achieved for SiC and AlN feedstocks using bimodal micro-nano (μ/n) powder mixtures, respectively. The injection molded SiC and AlN parts exhibited a green density of 2.45 g/cc (% relative density: 76%) and 2.6 g/cc (% relative density: 80%), respectively. Around 98% relative density is obtained with no hold time at sintering temperature under inert atmosphere.
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