-
Article
Formation ofβ′-sialon in the system Si3N4-Al2O3-AlN
X-ray and crystal-optical methods were used to study the formation and structure ofβ'-sialon, synthesized in the system Si3N4-Al2O3-AlN by hot pressing methods, using mixtures of the stated composition.
-
Article
Dinas articles with additions of tailings from iron-ore beneficiation factories
-
Article
The service of refractories in sintering machine ignition furnaces
In the service of chamotte roof burner blocks and wall parts in sintering machine ignition furnaces, impregnation of their surface layer with iron and calcium oxides contained in the sinter charge occurs with ...
-
Article
Kaolin refractories after service in a blast-furnace hearth
During service differentiated changes in properties and structure of the refractories across the thickness of the lining occur in the lining of the blast-furnace hearth. The most intense processes under the ac...
-
Article
Influence of TiO2, Fe2O3 and Na2O on the structural changes in fused mullite
-
Article
Effect of the type of binding material on the properties of refractory glass-fiber heat-insulation products
The effect of binders (water glass, silica sol, chromium-aluminophosphate binder, bentonite, and polyvinyl-acetate dispersion) on the basic properties of thermal-insulation glass-fiber refractory articles has ...
-
Article
Sialon based on natural clay raw materials
Conditions were worked out for the synthesis of β'-sialon on the basis of natural clay raw materials. It was established that the maximum yield of sialon is obtained from nitriding nonbriquetted mixtures of No...
-
Article
Dependence of the properties of chamotte on the firing regime of the briquette
The physicomechanical properties and phase composition of chamotte depends on the composition of the gas medium, the firing temperature, and the cooling regime. In the briquettes fired at 1500°C in an oxidizin...
-
Article
Sialons — New refractory materials
-
Article
Effect of some production factors on the life of dinas refractories at high temperatures in reducing conditions
A reduction in the maximum grain size of dinas batches and an increase in pressing force ensure high apparent density in the articles, which increases their resistance to the action of solid reducing agents.
-
Article
Investigation of mullite-corundum nozzles after service melting nickel alloys in vacuum
-
Article
Mechanism of wear of corundum and mullite-corundum refractories during stopperless teeming of steel
The authors have established differences in the mechanisms of wear of corundum and mullite-corundum plates during stopperless teeming of rimmed and killed steels.
-
Article
Influence of synthetic primary slag on fracture of kaolin refractories for blast-furnace stacks
Investigations of the reaction of kaolin refractories with synthetic slag have shown that under isothermal conditions erosion of sintered kaolin refractories with a porosity of 12% by slag increases with a dec...
-
Article
Causes of failure of refractories in a tunnel kiln used to fire corundum insulating products
-
Article
Tar impregnation of carbonaceous and kaolin refractories
-
Article
Interaction of fused refractories with blast-furnace slag and pig iron
The investigation showed that the resistance to the action of blast-furnace slag and cast iron is highest for blocks of fused Bakor, sintered kaolin refractories, and fused kaolin.
-
Article
The reaction of kaolin clay with orthophosphoric acid
Orthophosphoric acid reacts with kaolinite clay already at room temperature. The reaction results in the dissociation of some kaolinite and the formation of acid aluminophosphates, its rate is at maximum durin...
-
Article
The performance of the refractories in the stack of a 2700-m3 blast furnace
The refractory lining of the cooled part of the stack eroded before the end of the campaign and the blast furnace was operated for 18 months without this masonry.
-
Article
Fused kaolin and its properties
The principal production parameters for fused kaolin were determined and the properties and phase composition of the product were determined. Fused kaolin is highly resistant to the reducing effect of syntheti...
-
Article
Improved refractories for the lining of blast furnaces
A comprehensive comparative analysis of the principal properties of the refractories used for the lining of blast furnaces showed that the ShKD-type kaolin refractories produced by the Zaporozhe Refractories P...
