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Rheological and sedimentation properties of ceramic suspensions containing granular aggregates

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Refractories Aims and scope

Conclusions

A study was made of the rheological properties and sedimentation stability of kaolin and quartz suspensions with granular fillers. The rheological nature of the behavior of the suspension with the granular filler is determined by the structure of the original suspension.

The relationship between the effective and relative viscosities of the suspension and the volume concentration of the aggregates is demonstrated.

The rate of settling of the coarse particles is determined by the density, the rheological characteristics of the suspension, and the viscosity with the minimum shear stresses.

Conditions are formulated for the complete sedimentation stability of the suspensions with different types of rheological behavior.

A concept is proposed for the coefficient of deposit formation Kdep, and its relationship with the density (concentration) of the suspension is demonstrated.

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Authors
  1. Yu. E. Pivinskii
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Additional information

Translated from Ogneupory, No. 4, pp. 52–57, April, 1972.

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Pivinskii, Y.E. Rheological and sedimentation properties of ceramic suspensions containing granular aggregates. Refractories 13, 264–270 (1972). https://doi.org/10.1007/BF01293569

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  • DOI: https://doi.org/10.1007/BF01293569

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