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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.
INVESTIGATION OF THE EFFECT OF MECHANOACTIVATION OF LOCAL RAW MATERIALS ON THE STRENGTH PROPERTIES OF SULFURE CONCRETE
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(Not-set)
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... concrete and to obtain sulfur concrete materials with a high level of physical and mechanical properties and with a strength class up to B45. The influence of the method of mechanical activation of mineral ...
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3.
EFFECT OF THE THERMOCHEMICAL STRENGTHENING OF ALUMINOSILICATE GLASS ON THEIR OPTICAL AND MECHANICAL PROPERTIES
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(Not-set)
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The processes of thermochemical hardening of aluminosilicate glass are investigated. The glass was processed in a KNO3 melt under industrial and laboratory conditions at 440…480 °C for 1…120 h. The effect ...
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4.
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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5.
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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6.
EFFECT OF ADDING SILICON-PHOSPHORUS-ANTIMONY CATIONITE TO POTASSIUM NITRATE MELT ON STRENGTHENING SODIUM-CALCIUM-MAGNESIUM SILICATE GLASS BY ION EXCHANGE METHOD
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(Not-set)
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The paper studies the effect of adding potassium form of silicon-phosphorus-antimony cationite (K:KFS-cationite) to a potassium nitrate salt bath on the magnitude of compressive stresses on the surface ...
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7.
CONTROL OF MECHANICAL STRENGTH OF SAFETY GLASSES FOR GROUND TRANSPORTATION DURING THEIR PRODUCTION PROCESS
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(Not-set)
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The article describes the study of the effect of the tempering mode on the mechanical strength of products. It shows the effect of the press settings and the temperature in the tunnel furnace chambers ...
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8.
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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9.
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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10.
THE RESULTS OF THE STUDY ON THE CYCLIC STRENGTH OF THE DEVELOPED CUTTING CERAMICS
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(Not-set)
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The paper presents the results of a study on the cyclic strength of cutting ceramics: a replaceable polyhedral plate developed at NSTU and VOK-60 cutting ceramics when processing a hardened steel billet ...
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11.
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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12.
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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13.
Studies of various effects on metal-glass seal strength in vacu-umtight metalglass items
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(Equipment)
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metal-glass products, glass weld, pressed glass insulator, powder glass, C48-2 capillary glass, panel, tightness, tensile forces, electronic boards, automation units
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14.
Influence of surfactants in polishers on deformation and strength bevaviour of ruby and quartz surface
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(Materials processing)
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Direct methods have shown that under the influence of surfactants included in the polishing compositions, there is a change in the deformation and strength properties of a thin surface layer of solids ...
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15.
New construction materials with enhanced strength based on met-als industrial waste
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(Utilization of waste)
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Non-firing and firing high-silica composite materials for construction purposes based on quartz sand and blast-furnace slag, which are characterized by increased strength and durability, high density, ...
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16.
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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17.
Correlation analysis for destructive and non-destructive strength control of witness samples after ionic toughening
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(Science for glass production)
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The analysis of methods for monitoring the stress-strain state of transparent elements for special glazing used in aviation, as well as for inclusion in the composition of transparent armor is presented. ...
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18.
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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19.
Changes in phase composition and strength of Al2O3-ZrO2 ce-ramics after hydrothermal ageing
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(Biomaterials)
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The influence of the mass content of Al 2 O 3 on the stability of the phase composition and the strength of the ceramics of the Al 2 O 3 -3Y system has been determined. -ZrO 2 prepared according ...
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20.
Effect of carbon nanotubes nature on structure and strength of ceramic composites
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(Science for ceramic production)
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A composite material based on ?-Al 2 O 3 and two types of carbon nanotubes obtained from a methane-hydrogen mixture and a propane-butane mixture has been synthesized. The results of vacuum sintering ...
