Conclusions
The creep of aluminosilicate refractory concretes largely depends on the type of bond and concentration of alumina in the aggregate. The bond in the concretes has a greater influence on the magnitude and rate of deformation in the first period of the testing on the section of the curve showing an irregular change in the velocity.
The high-alumina cement for concretes containing aluminosilicate aggregates is less satisfactory as a bond than a bond based on orthophosphoric acid and water glass.
Refractory concretes containing aluminosilicate aggregates incorporating 46% Al2O3 correspond, in terms of creep, to firebrick class B up to about 1350°C.
The quality of refractory concrete is increased with an increase in the alumina content in the aluminosilicate aggregate.
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P. S. Mamykin and V. D. Koksharov, Ogneupory, No. 1, 31 (1968).
D. N. Poluboyarinov, Ogneupory, No. 3, 107 (1948).
N. V. Solomin, Proc. 3rd Conference on Refractories [in Russian], Akad. Nauk SSSR (1947), p. 177.
F. Nadachovsky, Refractories Journal, No. 4, 126 (1965).
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Translated from Ogneupory, No. 9, pp. 46–50, September, 1969.
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Mamykin, P.S., Koksharov, V.D. & Purgin, A.K. Creep in refractory concretes with aluminosilicate aggregates and various bonds. Refractories 10, 572–575 (1969). https://doi.org/10.1007/BF01295338
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DOI: https://doi.org/10.1007/BF01295338