FIELD: ceramics. SUBSTANCE: composition has, wt.-%: aluminium-magnesial spinel - product of interaction of aluminium and magnesium oxides at 1250-1300 C 30-70, and refractory clay, the balance. Properties of material: coating porosity is 25-45%; linear shrinkage is 0.5-2.5%; bending strength is 15-35 MPa, and thermostability - above 100 thermal cyclings (1000 C - water). Material is used for making the different refractory articles. EFFECT: improved quality and property of composition.
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Authors
Dates
1997-12-27—Published
1996-03-26—Filed