Combustion synthesis of ultra-fine SiC powders in low pressure N-2-atmosphere
| dc.contributor.author | Agathopoulos, S. | en |
| dc.date.accessioned | 2015-11-24T17:32:37Z | |
| dc.date.available | 2015-11-24T17:32:37Z | |
| dc.identifier.issn | 0272-8842 | - |
| dc.identifier.uri | https://olympias.lib.uoi.gr/jspui/handle/123456789/13757 | |
| dc.rights | Default Licence | - |
| dc.subject | powders: solid state reaction | en |
| dc.subject | microstructure-final | en |
| dc.subject | sic | en |
| dc.subject | combustion synthesis | en |
| dc.subject | microwave dielectric-properties | en |
| dc.subject | high-temperature synthesis | en |
| dc.subject | silicon-carbide | en |
| dc.subject | mechanical-activation | en |
| dc.subject | mechanochemical-activation | en |
| dc.subject | carbothermal reduction | en |
| dc.subject | si3n4 nanowires | en |
| dc.subject | sol-gel | en |
| dc.subject | system | en |
| dc.subject | alpha-si3n4 | en |
| dc.title | Combustion synthesis of ultra-fine SiC powders in low pressure N-2-atmosphere | en |
| heal.abstract | Ultra fine SiC nano-powders (100-300 nm) of high purity were successfully produced by combustion of a powder mixture of Si and C, with the addition of poly-tetra-fluoro-ethylene (PTFE) as a chemical stimulator, in a moderately pressurized nitrogen atmosphere (1-10 MPa). The experimental results showed that with the aid of mechanical activation of the starting powders, a small amount of PTFE (1.5 wt%) can effectively stimulate the reaction between Si and C. Both the experimental results and thermodynamic calculations indicate that the formation of Si3N4 plays a key role in the process. The optimum conditions for producing the aforementioned SiC fine powders were 1.5 wt% PTFE, 1 MPa N-2 pressure and no addition of diluents of SiC powder. (C) 2012 Elsevier Ltd and Techna Group S.r.l. All rights reserved. | en |
| heal.access | campus | - |
| heal.fullTextAvailability | TRUE | - |
| heal.identifier.primary | DOI 10.1016/j.ceramint.2012.01.077 | - |
| heal.identifier.secondary | <Go to ISI>://000303634900083 | - |
| heal.identifier.secondary | http://ac.els-cdn.com/S0272884212000934/1-s2.0-S0272884212000934-main.pdf?_tid=074b20e9f97fb85b068196771c68134c&acdnat=1339492783_f03ba4e266748608a5c0e322669b1ab8 | - |
| heal.journalName | Ceramics International | en |
| heal.journalType | peer reviewed | - |
| heal.language | en | - |
| heal.publicationDate | 2012 | - |
| heal.publisher | Elsevier | en |
| heal.recordProvider | Πανεπιστήμιο Ιωαννίνων. Σχολή Θετικών Επιστημών. Τμήμα Μηχανικών Επιστήμης Υλικών | el |
| heal.type | journalArticle | - |
| heal.type.el | Άρθρο Περιοδικού | el |
| heal.type.en | Journal article | en |
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