Planning and Design Institute of Metallurgical Machinery VNIIMETMASh

Moscow, Russia

Planning and Design Institute of Metallurgical Machinery VNIIMETMASh

Moscow, Russia

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Krasnyanskii M.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Kats Ya.L.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Myagkov K.A.,Casting Rolling Plant
Metallurgist | Year: 2012

The objectives of the study discussed in this article were to analyze production data and construct regression models that can describe the changes in the concentrations of manganese and silicon in reinforcement steel during its treatment outside the steelmaking furnace. The results that are obtained can be used to devise a new technological scheme for the ladle treatment of reinforcement steels at mini-mills. © 2012 Springer Science+Business Media, Inc.


Sivak B.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2014

A mathematical model is formulated for deformation of a thin slab shell in a mold with a nonlinear internal profile taking account of metal volumetric stressed state and friction between a slab shell and mold surface. Values of axial stresses within a shell and the amount of change in slab broad face size are analyzed. © 2014, Springer Science+Business Media New York.


Luk'yanov A.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Protasov A.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Sivak B.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Shchegolev A.P.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2016

Results are reported from a study of BOF steelmaking at the Cherepovets Metallurgical Combine (CherMK), and the main measures that can make the BOF shop more efficient are described. The measures include improving the logistics of transport operations, the installation of new production equipment, or upgrade of the existing equipment. It is shown that the technical-economic indices of the shop can be improved in a short period of time at minimal cost by adopting a comprehensive approach to modernization of the present facilities. © 2016 Springer Science+Business Media New York


Belkovskii A.G.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Filippov S.F.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Kats Y.L.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2013

Results are presented from a study performed to determine how the quantity of carbon-bearing materials charged into an electric-arc steelmaking furnace to carbonize the metal affects the main indices of the heat - electric-power consumption, the duration of the heat, the time of furnace operation under current, and hourly productivity. The use of a mathematical model developed previously showed that there is a quantity of carbon-bearing materials that is optimum from the standpoint of minimizing electric-power consumption and maximizing the hourly productivity of the furnace. The existence of this optimum quantity has been substantiated theoretically, but it has not yet been confirmed by statistical studies due to the large number of other factors that have a significant effect on the above-named indices. © 2013 Springer Science+Business Media New York.


Krasnyanskii M.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Kats Y.L.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2014

Experimental values have been determined for the integral emissivity (blackness) of periclase-carbon refractories used in the working layer of the lining of steel-pouring ladles. The values were found for the range 500–900°C. It was established that the emissivity of periclase-carbon refractories is considerably higher than that of periclase refractories. Use of the data which were obtained is making it possible to more accurately measure the temperature of such linings by the pyrometric method. © 2014, Springer Science+Business Media New York.


Sivak B.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2012

This article examines the main types of surface defects on slabs and their causes. A general explanation is given for the nucleation and growth of surface cracks. An analysis is made of the possibility of applying criteria from the fracture mechanics of deformable solids to the conditions that exist during the continuous casting of steel slabs. © 2012 Springer Science+Business Media, Inc.


Krasnyansky M.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Katz Ya.L.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Bershitsky I.M.,TEK 98 Company
Metallurgist | Year: 2012

A mathematical model has been developed to describe the cooling of steel in a pouring ladle as the steel is held in the ladle prior to its treatment on a ladle-furnace unit. The adequacy of the model is demonstrated, and calculations of the cooling of steel in a ladle are performed. It is shown that preheating ladle linings to 1400 °C with the use of electric heaters is a cost-effective measure. © 2012 Springer Science+Business Media, Inc.


Gorlova A.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Rodinkov S.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Aksenov V.V.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2012

A description is given of the mechanical equipment of a new complex designed to produce sheet and strip made of precision alloys with an ultimate strength up to 1400 MPa, width up to 200 mm, and thickness in the range 4-0.1 mm. The complex consists of a two-high/four-high 320 cold-rolling mill, coil-forming unit, and strip-straightening machine. The specifications of the equipment and the products made with the complex are briefly described along with the designs of the main working mechanisms. The complex was built at VNIIMETMASh and delivered to TsNIIchermet. © 2012 Springer Science+Business Media, Inc.


Sivak B.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2012

A method is proposed for constructing the profile of the expanded upper working cavity of the mold to allow it to accommodate the pouring nozzle in the casting of thin slabs. A relation is presented to determine the angle of inclination of the narrow faces of the mold. © 2012 Springer Science+Business Media, Inc.


Katsiban V.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Filatov A.A.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh | Smolyakov A.S.,Planning and Design Institute of Metallurgical Machinery VNIIMETMASh
Metallurgist | Year: 2014

The casting of steel on a continuous caster is the culmination of interactions that take place between the pouring equipment, mold, secondary cooling zone, and ingot withdrawal mechanism in a single process. Studies of the continuous casting of steel have shown that the stability of the continuous casting operation should be evaluated based on the criterion of lead time. Gaps in the components of the caster have a direct effect on the velocities of the mold and the ingot, which in turn determine the lead time. Hundreds of continuous-caster strands equipped with mold oscillation mechanisms of the hinge-lever type and hinged multi-component dummy bars have been in use in many countries up to the present. Thus, the effect of gaps in the caster components that determine the quality of the cast semifinished product is an important problem and needs to be resolved. © 2014 Springer Science+Business Media New York.

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