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Article
Effect of Adding Nanosize SiO2 on Physicomechanical Properties and Durability of a Refractory Component Industrial Batch
Physicomechanical properties and structure of mullite-corundum unmolded refractories are investigated and tests of a pilot batch of refractory products for various purposes are conducted. The effect of the add...
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Article
Production of Mineral Binders Based on Ferroalloy Slags
Samples of concrete stone based on ferrochrome slags with addition of fly ash and Portland cement were obtained by mechanochemical activation. The samples were studied in terms of their chemical, phase, and pa...
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Article
Development of a Dezincing Method for Iron-Containing Wastes by Heat Treatment in a Reducing Atmosphere
The phase, elemental, and particle-size distributions and the morphology of a dust sample from electric steel-smelting production were studied. The heat-treatment temperature of the sample in a reducing atmosp...
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Article
Synthesis and Research of Aluminum Oxide Additives for Refractory Composite Materials
Hollow Al2O3 microspheres were synthesized by spray pyrolysis and investigated by x-ray phase analysis, scanning and transmission electron microscopy, and low-temperature nitrogen adsorption. The analytical resul...
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Article
Study of the Influence of the Binder Composition on the Mechanical Characteristics of Dust Briquettes from Electric Arc Furnace Production
Samples of briquettes based on dust from electric arc furnace production with various organic and mineral binders have been obtained. The study of the dependence of the ultimate strength during briquettes comp...
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Article
Effect of Compression Pressure on Combustion of Tapes Obtained by Rolling a Ti + 1.7B Powder Mixture
Combustion during self-propagating high-temperature synthesis of Ti + 1.7B reaction tapes obtained by rolling from a powder mixture is experimentally investigated. Dependences between the combustion wave propa...
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Article
Preparation of Hollow Spherical Particles of Strontium Ferrite SrFe12O19 by Spray-Pyrolysis
The synthesis of hollow nanostructured microspheres of strontium ferrite by microspheres is reported. The phase composition, morphology, and particle-size distribution of the obtained microspheres and the effe...
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Article
Production and Investigation of a Finely Dispersed Fraction of Blast-Furnace Granulated Slag for Use as Components of Clinker-Free Binders
This article presents the development of a method for producing a finely dispersed fraction of ground blast-furnace granulated slag. The resulting material with an alkaline additive can serve as an alternative...
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Article
Investigation of Mineral Hydraulic Binders Based on the Slag-Cement System Obtained with the Use of Vortex Electromagnetic Homogenization
Samples of mineral hydraulic binder and artificial stone based on such binder were obtained from granulated blast furnace slag and Portland cement M500 using vortex electromagnetic homogenization. The followin...
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Article
Development of Energy-Efficient Techniques for Manufacturing and Studying Clinkerless Mineral Binders Made from Granulated Blast-Furnace Slag with a Fly Ash Admixture
Cement matrix samples were prepared using mechanical and chemical activation of two types of granulated blast-furnace slag with a fly ash admixture. We studied the chemical, phase, and granulometric compositio...