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Synthesis of Si3N4 Powder by Thermal Decomposition of SI(NH)2
Published online by Cambridge University Press: 25 February 2011
Abstract
A fine white α-Si3N4 powder has been produced by the thermal decomposition of the coprecipitation product of the reaction between SiC14 and NH3. The Cl content, due to a reaction between Si(NH)2 and the NH4Cl by-product during the thermal treatment of the coprecipitate, has been reduced by using an isothermal step at ≈ 250°C in the heat treatment cycle.
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- Copyright © Materials Research Society 1993
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