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Mekhtiev A.,Karaganda State Technical University | Shabanov Y.E.,Karaganda State Technical University | Issagulov A.,Karaganda State Technical University | Baissanov S.,Abishev Chemical Metallurgical Institute | And 2 more authors.
Metalurgija | Year: 2015

Experimental studies on obtaining a complex aluminum-silicon-chrome alloy (FASCh) from Karaganda high-ash coals and high-carbon ferrochromefines were carried out. A method for smelting low-carbon ferrochrome using aluminum-silicon-chrome alloy as a reductant is suggested. © 2015 Faculty of Metallurgy. All rights reserved.

Malyshev V.P.,Abishev Chemical Metallurgical Institute | Makasheva A.M.,Abishev Chemical Metallurgical Institute | Suleimenov T.,Gumilev Eurasia National University
Russian Metallurgy (Metally) | Year: 2015

The adequacy of the cluster–associate models of the temperature dependences of viscosity and density deduced from the Boltzmann distribution is demonstrated using aluminum as an example. A unique approach based on the concept of chaotic particles makes it possible to coordinate these dependences over the entire range of a liquid state. © 2015, Pleiades Publishing, Ltd.

Mukhambetgaliev E.K.,Abishev Chemical Metallurgical Institute | Baisanov S.O.,Abishev Chemical Metallurgical Institute | Baisanov A.S.,Abishev Chemical Metallurgical Institute
Russian Metallurgy (Metally) | Year: 2013

A process is developed for the production of a new complex alloy, alumosilicomanganese, the charge of which includes the off-grade high-silica manganese ores mined in the Zapadnyi Kamys deposit. The high-ash Karaganda coal is used as a reducing agent and the main source of silicon and aluminum in the charge. Large-scale laboratory heats result in the production of a high-quality alloy, which is absolutely resistant to decomposition. © 2013 Pleiades Publishing, Ltd.

Akberdin A.A.,Abishev Chemical Metallurgical Institute | Yusfin Y.S.,National University of Science and Technology "MISIS" | Toymankulov T.B.,Abishev Chemical Metallurgical Institute
Steel in Translation | Year: 2014

The study describes the diagram of the four-phase composition of metallic system Fe-Si-Mn-B and establishs its mathematical model. Developed computer software allows to calculate the type and quantity of waste of secondary phases in this system with known chemical composition of the metal. Examples of the calculation of the phase composition of boron-containing ferrosilicon manganese, and iron, manganese, silicon, boron impurity elements are shown. The diagram and computer software may be used to form a high deoxidizing ferroalloys and ability doping and selection methods for refining metals from unwanted impurities. © 2014 Allerton Press, Inc.

Kasenova S.B.,Abishev Chemical Metallurgical Institute | Abil'Daeva A.Z.,Abishev Chemical Metallurgical Institute | Kasenov B.K.,Abishev Chemical Metallurgical Institute | Nurmaganbetov Z.S.,Joint Stock Company | Adekenov S.M.,Joint Stock Company
Russian Journal of Applied Chemistry | Year: 2012

The enthalpies of solution of 3-acetyl-9-methoxy-2-phenyl-11H-indolizino[8, 7-b]indole and 8-acetylharmine in dimethyl sulfoxide were measured by isothermal calorimetry at solute: solvent molar ratios of 1: 9000, 1: 18000, and 1: 36000. From the data obtained, the standard enthalpies of solution of the compounds in dimethyl sulfoxide at infinite dilution were calculated. The heat capacities of 8-acetylharmine were determined by dynamic calorimetry in the interval 298.15-673 K, and the C p o = f(T) equations were obtained. The standard enthalpies of combustion of the compounds were estimated by approximate methods, and their heats of melting were calculated. From the data obtained, using Hess cycle, the standard enthalpies of formation of the compounds were calculated. © 2012 Pleiades Publishing, Ltd.

Isin D.K.,Karaganda State Technical University | Baisanov S.O.,Abishev Chemical Metallurgical Institute | Tolymbekov M.Zh.,Abishev Chemical Metallurgical Institute | Azbanbaev E.M.,Karaganda State Technical University | And 3 more authors.
Metallurgist | Year: 2013

Physicochemical and production properties of ilmenite concentrates are studied in order to determine the possibility of preparing from them the required titanium-containing industrial materials. Data are provided for ilmenite concentrate fraction, mineralogical, and thermographic analyses. Results of studying physicochemical properties of Shokash ilmenite concentrate and its charges with reducing agents may be used in creating production schemes for further processing. The most rational method is determined for charge agglomeration, i.e., briquetting. Technological evaluation is provided for Shokask ilmenite concentrate as raw material for studying the possibility of using it for producing ferrotitanium. © 2013 Springer Science+Business Media New York.

Tolymbekova L.B.,Eurasian University | Kim A.S.,Abishev Chemical Metallurgical Institute | Zhunusov A.K.,Eurasian University | Babenko A.A.,RAS Institute of Metallurgy
Metallurgist | Year: 2013

Results are reported from a study of phase transformations in manganese ores and in charges used to make pellets. The study was performed by the method of differential-thermal analysis (DTA) with continuous heating. The article also presents data obtained by using DTA curves to determine kinetic parameters. © 2013 Springer Science+Business Media New York.

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