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Synthesis and Sintering of Si3N4 Obtained by the SHS Process

AuthorsGarcía Cano, Irene; Rodríguez, Miguel A.
Issue Date24-Jan-2006
PublisherAmerican Chemical Society
CitationIndustrial and Engineering Chemistry Research 45(4): 1277-1280 (2006)
AbstractThe synthesis of Si3N4 by the self-propagating high-temperature synthesis (SHS) process has been carried out to evaluate the effect of NH4Cl/NH4F as an additive. A higher α-phase content is obtained when the rate of NH4Cl/NH4F addition decreases. The powders obtained exhibit good sintering behavior. Their mechanical properties are comparable to those of a commercial sample, although the porosity of the SHS powders is higher. This behavior might be due to the greater particle size of SHS Si3N4 powders.
Description4 pages, 7 figures, 3 tables.-- Printed version published Feb 15, 2006.
Publisher version (URL)http://dx.doi.org/10.1021/ie050968+
Appears in Collections:(ICV) Artículos
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