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[en] Refractory carbide nano-structured ceramics as SiC constitute interesting materials for high temperature applications and particularly for fourth generation nuclear plants. To elaborate such nano-materials, weighable amounts of SiC nano-powders have to be synthesized first with an accurate control of the grain size and stoichiometry. The inductively coupled plasma and the laser pyrolysis techniques, respectively developed at EMPA Thun and CEA Saclay, allow meeting these requirements. Both techniques are able to produce dozens of grams per hour of silicon carbide nano-powders. The particle size can be adjusted down to around 20 nm for the plasma synthesis and even down to 5-10 nm for the laser pyrolysis. The stoichiometry Si/C can be tuned by the addition of methane into the plasma and acetylene for the laser process. (authors)
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Aktaa, J. (ed. Forschungszentrum Karlsruhe GmbH, Institute for Materials Research II, Postfach 3640, 76021 Karlsruhe (Germany)); Samaras, M. (ed. Paul Scherrer Institute, Nuclear Energy and Safety, CH-5232 Villigen PSI (Switzerland)); Serrano de Caro, M. (ed. Lawrence Livermore National Laboratory, Chemical Biology and Nuclear Science Division, L-632, P.O. Box 808, Livermore, CA 94550 (United States)); Victoria, M. (ed. Polytechnic University of Madrid, Instituto de Fusion Nuclear, J. Gutierrez Abascal 2, 28006 Madrid (Spain)); Wirth, B. (ed. University of California-Berkeley, Nuclear Engineering Dept., Berkeley, CA 94720-1730 (United States)); Materials Research Society, 506 Keystone Drive, Warrendale, PA, 15086-7573 (United States); v. 981E, 112 p; ISBN 978-1-60511-074-5; 
; 2008; vp; Symposium on Structural and Refractory Materials for Fusion and Fission Technologies; Boston, MA (United States); 28-30 Nov 2006; Available for purchase from http://www.mrs.org/s_mrs/sec_subscribe.asp?CID=7655&DID=191608&action=detail; paper number 0981-JJ06-01; Country of input: France
; 2008; vp; Symposium on Structural and Refractory Materials for Fusion and Fission Technologies; Boston, MA (United States); 28-30 Nov 2006; Available for purchase from http://www.mrs.org/s_mrs/sec_subscribe.asp?CID=7655&DID=191608&action=detail; paper number 0981-JJ06-01; Country of input: France