FIELD: construction.
SUBSTANCE: charge for manufacturing of ceramics contains silicon carbide, α-oxide of aluminium and an oxide-containing additive, which is a mixture of oxides. According to the first version, the charge contains, wt %: silicon carbide 30-40, α-oxide of aluminium 34-50, silicon dioxide 11.8-25.2, iron oxide (III) 0.25-0.4, calcium oxide 0.2-0.4, titanium dioxide 0.2-0.4, magnesium oxide 0.02-0.4, potassium oxide 1.2-3.8, sodium oxide 0.3-1.2. According to the second version, the charge contains components at the following ratio, wt %: silicon carbide 20-35, α-oxide of aluminium 30-60, calcium oxide 5.0-15.0, zirconium dioxide 5.0-15.0, kaolin 10.0-17.0.
EFFECT: development of charge for manufacturing of a ceramic material with hardness and strength, sufficient to resist impact of impact-dynamic loads.
2 cl, 6 ex
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