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Boletín de la Sociedad Española de Cerámica y Vidrio
Article . 2004 . Peer-reviewed
License: Elsevier TDM
Data sources: Crossref
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DIGITAL.CSIC
Article . 2008 . Peer-reviewed
Data sources: DIGITAL.CSIC
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Influencia de los reactivos y de las condiciones experimentales en la síntesis carbotérmica de nitruro de silicio

Influence of the starting materials and the experimental conditions on the carbothermal synthesis of silicon nitride
Authors: Criado Luque, José Manuel; Alcalá, M.D.; Real, Concepción;

Influencia de los reactivos y de las condiciones experimentales en la síntesis carbotérmica de nitruro de silicio

Abstract

[ES] Las cerámicas basadas en el Si3N4 poseen unas extraordinarias propiedades físicas y mecánicas que permiten su uso como material estructural avanzado en ingeniería. Se ha utilizado la técnica de ATVC (Análisis Térmico a Velocidad de Reacción Controlada) para preparar dicho compuesto por reducción carbotérmica de sílice en atmósfera de nitrógeno y estudiar la influencia de la naturaleza de los reactivos en el producto de la reacción. Los resultados obtenidos muestran que la elección de reactivos de elevadas superficies específicas no es garantía para obtener nitruro de silicio con una morfología homogénea y de pequeño tamaño de partícula siendo recomendable el empleo de reactivos que a la temperatura de reacción posean superficies específicas lo más parecidas posibles.

[EN] Ceramics based on silicon nitride have unusual physical and mechanical properties that make them materials of technological importance for their use as structural material. Silicon nitride has been prepared by carbothermal reduction of silica under nitrogen atmosphere using the control rate thermal analysis (CRTA). The employ of this method allows to study the influence of the microstructure of the starting materials on the final product avoiding the influence of others experimental conditions. The results show that products of highest homogeneity and smallest particle sizes will be achieved when starting materials of similar.

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Spain
Keywords

Silicon nitride, análisis térmico, Análisis térmico, Clay industries. Ceramics. Glass, Carbothermal reduction, Nitruro de silicio, nitruro de silicio, TP785-869, silicon nitride, Reducción carbotérmica, Thermal analysis, thermal analysis

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
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