1979
DOI: 10.1007/bf00561287
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Reaction-bonded silicon nitride: its formation and properties

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Cited by 375 publications
(185 citation statements)
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“…This morphology is expected when the reaction takes place in the gas phase [24]. A minor fraction of α-Si 3 N 4 is constituted by particles, this product being less abundant when temperature is increased.…”
Section: Structure Of the Reaction Productmentioning
confidence: 73%
“…This morphology is expected when the reaction takes place in the gas phase [24]. A minor fraction of α-Si 3 N 4 is constituted by particles, this product being less abundant when temperature is increased.…”
Section: Structure Of the Reaction Productmentioning
confidence: 73%
“…Los métodos de síntesis más empleados para la obtención del polvo de nitruro de silicio son: la amonolisis de un compuesto de silicio reactivo en fase líquida o gaseosa, la reducción carbotérmica de la sílice en presencia de nitrógeno o amoniaco y la nitruración del polvo de silicio (5)(6)(7)(8)(9)(10)(11)(12)(13)(14)(15)(16)(17)(18)(19). De los métodos mencionados, la síntesis carbotérmica de Si 3 N 4 presenta la ventaja de que el material de partida es barato y de fácil disponibilidad, siendo su mayor inconveniente el contenido en impurezas procedentes de la materia prima utilizada y la elección adecuada de las condiciones experimentales (tales como materia prima, razón molar de los reactivos, composición del gas de reacción, soporte de los reactivos, diseño del reactor, temperatura y tiempos de reacción) para obtener un producto de composición y características determinadas.…”
Section: Introductionunclassified
“…Moreover the rate of the latter reaction will be higher than former, because the indirect nitridation contains a gas-gas reaction which increases the reaction rate, so the trace O 2 is catalyst. Also the product -Si 3 N 4 of the latter reaction becomes fiber-like [19][20][21], because it is separate out from gaseous.…”
Section: Chemical Thermodynamic Analysis Of Fesi75 Nitridationmentioning
confidence: 99%