Cement free refractory castable. Part 7. Characteristics of castable mixes and their grain distribution

The features of the rheological behavior of CFRC matrix systems are considered as highly concentrated dispersed systems. They are characterized by a dilatative, thixotropic and thixotropic-dilatant nature of the flow, depending on the composition, concentration, dispersion, and a number of other factors. The equation of the concentration dependence of the viscosity of suspensions (Pivinskii equation) is proposed. It is shown that the determining factor is the content of a kinetically free dispersion medium in them. The effect of the content of grain aggregate on the rheological properties of foundry systems is characterized. The significant effect of polydispersity of the particles of the solid phase and the temperature on the rheological properties of the HCBS with the dilatant nature of the flow is shown. The data on the effect of defloculation and stabilization of matrix systems on their rheological properties, which determine the reeterological properties of molding systems to obtain CFRC. Ill. 13. Ref. 50.

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Cement free refractory castable. Part 7. Characteristics of castable mixes and their grain distribution

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Cited by 4 publications

References 25 publications

Cement-Free Refractory Concretes. Part 8. Features of the Structure, Sintering, and Mullitization of High-Alumina Matrix Systems1

Cement-Free Refractory Concretes. Part 8. Features of the Structure, Sintering, and Mullitization of High-Alumina Matrix Systems1

Cement-free refractory concretes. Part 12-2. HCBS and ceramic concretes of siliceous compositions

Cement-free refractory concretes. Part 10. Rheological aspect of technology

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