The possibility of solving the problem of achieving uniform distribution in a ceramic charge based on silicon nitride of a small amount of oxide sintering additives using an ideal mixing model is considered. The mixing power necessary to prevent the separation of the mixture and obtain a homogeneous suspension during solvent removal is calculated based on a determination of the complex viscosity and the free deposition rate of silicon nitride particles in a mixture with organoyttroxanealumoxane (OYA) solution. The coefficient of heterogeneity (variation) calculated according to the analytical results confirmed that aluminum and yttrium oxides were uniformly distributed in the silicon nitride-OYA charge obtained as a result of implementing the ideal mixing model.
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Translated from Novye Ogneupory, No. 8, pp. 30 – 34, August, 2022
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Kirillov, A.V. Application of the Ideal Mixing Model for Obtaining a Charge Based on Silicon Nitride with Organoyttroxanealumoxane Additives. Refract Ind Ceram 63, 409–413 (2022). https://doi.org/10.1007/s11148-023-00745-w
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DOI: https://doi.org/10.1007/s11148-023-00745-w