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1.
DEVELOPMENT OF NANOMODIFIED CEMENT USING MICROSILICA, POLYCARBOXYLATE AND DUNE SAND: OPTIMIZATION OF COMPOSITION AND STRENGTH CHARACTERISTICS
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(Not-set)
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... composition and technological parameters providing increased strength and performance properties of the binder were studied. A series of cement systems with varying clinker and sand content was prepared, ...
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2.
Influence of Plasticizing Additives on Strength Characteristics of Molding Plaster
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(Not-set)
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... sulfate hemihydrate, was investigated. Based on the results of the work carried out, the concentrations of additives were determined, allowing to increase the compressive strength of specimens from molding ...
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3.
Study of elastic and strength characteristics of bazalt- ang glass-reinforced plastics with different winding patterns
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(At the enterprises and institutes)
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... and spiral with an angle of 30 and 60 & # 176; to the mandrel axis. Studies of elastic-strength properties during transverse bending tests were carried out and it was shown that the highest values ??of ...
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4.
Numerical simulation and calculation of the glass strength characteristics
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(Science for glass production)
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Methods for calculating the strength properties of glass plates, such as deflection and stresses arising when a static load is applied to the glass, are presented. The features of various methods for calculating ...
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5.
The reasons for different effect of lime clays on the strength characteristics of ceramics
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(Science for ceramic production)
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It is shown that an increase in the strength characteristics of ceramic products molded from weakly sintered polymineral low-melting clay raw materials and calcareous clays occurs due to an increase in ...
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6.
Statistical characteristics of the shock strength of the hardened glass
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(Science for glass production)
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A set of statistical characteristics of the strength of tempered glass upon impact with a ball is considered. It is shown that under the conditions of production, the asymmetry of the strength of float ...
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7.
STUDY OF CHARACTERISTICS OF ADHESIVE PERMANENT JOINTS IN REACTION-SINTERED CERAMIC MATERIALS BASED ON SILICON CARBIDE
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(Not-set)
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... thickness of the silicon layer in the seam is 20…130 ?m, flexural strength is 40…250 MPa, longitudinal sound velocity is 10 750…11 300 m/s, density is 3.07…3.08 g/cm3. It was experimentally established ...
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8.
RESEARCH OF THE DEPENDENCE OF THE THERMAL STRENGTH PROPERTIES OF REFRACTORY MATERIALS OF THE LADLE LINING OF THE FERROALLOY PRODUCTION ON TEMPERATURE
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(Not-set)
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The article is devoted to the study of the dependence of the change in compressive strength on temperature for refractory materials of the lining of a pouring ladle of ferroalloy production – fireclay ...
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9.
STATISTICAL ANALYSIS OF THE STRENGTH OF FLAT GLASS UNDER STATIC LOADS
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(Not-set)
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The article examines a topic of study of statistical data on the strength of flat glass. The issues of theoretical models of the strength of flat glass, parameters affecting its strength, the probabilistic ...
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10.
PHYSICAL AND MECHANICAL CHARACTERISTICS OF CERAMIC MATERIALS OF SYSTEMS ZrO2–Sm2O3 TWO-PHASE COMPOSITION
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(Not-set)
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Ceramic Materials of Compositions (mol. %) 97ZrO2–3Sm2O3 and 94ZrO2–6Sm2O3 based on nanosized powders synthesized by hydrolysis sol-gel method are obtained. It is shown that in ceramic materials a two-phase ...
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11.
INFLUENCE OF TECHNOLOGICAL FACTORS ON MECHANICAL STRENGTH OF PERICLASE-CARBON REFRACTORIES
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(Not-set)
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... charge on the formation of microstructure
of strength properties of periclase-carbonaceous samples. It was established that moistening of periclase-carbonaceous samples before heat treatment and time ...
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12.
SINTERING CHARACTERISTICS AND THERMAL PROPERTIES OF POROUS CERAMICS BASED ON HYDROPHLOGOPITE AND REFRACTORY CLAYS
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(Not-set)
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... according to the ferruginous hydrophlogopite type in an amount of 50 wt. %. The apparent density and mechanical strength were studied depending on the pressing pressure, shrinkage during firing. The use ...
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13.
INFLUENCE OF STRUCTURAL FACTORS ON THE MECHANICAL STRENGTH OF GLASS-CERAMIC PROPANTS
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(Not-set)
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... of a pyroxene solid solution of the augite type in the form of spherical intergrowths, which ensures high mechanical strength of glass-ceramic proppants. It has been established that during the course ...
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14.
CHARACTERISTICS OF FIRED CLAY BRICKS WITH DOLOMITE POWDER ADDITION
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(Not-set)
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... temperatures. In this case, clay bricks density is 1.55 – 1.75 g/m3, compressive strength 14 – 28 MPa, water absorption 15.3 – 19.7 %, total porosity 31,0 – 40.4 %, durability (resistance to freezing and ...
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15.
Investigation of the Adhesion Strength of Reactive Coatings on VZh171 Alloy by Sclerometry Method
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(Not-set)
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Studies of the adhesion strength of an enamel reaction-hardening coating on a heat-resistant nickel alloy VZH171 by the sclerometry method have been carried out. The threshold value of the loads required ...
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16.
Strength regulation for porous compositions in ?abrasive grain ? binder ? pores? system
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(Science for ceramic production)
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An original technique has been developed for controlling the strength characteristics of porous ceramic compositions of the abrasive grain - bond - pore system in order to obtain a composite that ensures ...
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17.
Effect of molding composition and properties on alumina block substrates characteristics
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(Science for ceramic production)
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... the textural and strength characteristics of the blocks after annealing were determined. It is shown that the use of corundum powder obtained by mixing particles of different sizes leads to the production ...
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18.
Strength investigation and high-temperature strength behaviour analysis for periclase-carbonaceous refractories
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(Science for ceramic production)
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A description of the installation for determining the ultimate strength of refractory materials in compression at elevated temperatures is considered. The values ??of the ultimate compressive strength ...
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19.
Continuous strength of dense polycrystalline magnesia ceramics up to 1600 °С
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(Science for ceramic production)
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Experimental data on determining the long-term strength (time and deformation to fracture) of half-sintered periclase ceramics at temperatures up to 1600 ° C at loads of 20 - 50 MPa are presented. It is ...
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20.
Structural and technological characteristics of glass melts
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(Science for glass production)
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A review of works on the structure of silicate and glass melts is carried out using the provisions of synergetics, cluster and fractal concepts. With this in mind, some features of industrial technological ...
