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  • 1
    Electronic Resource
    Electronic Resource
    Springer
    Metallurgist 1 (1957), S. 568-570 
    ISSN: 1573-8892
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 2
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 1 (1960), S. 44-49 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions Periclase-forsterite refractories from silica magnesite of Beloretsk deposits are endowed with excellent properties. The density of periclase-forsterite brick is subject to a wide range of changes depending on the grain distribution of the mixture, molding pressure, sintering temperatures and the introduction of additives. The effect of additives on the sintering of periclase-forsterite mixtures from silica magnesite has the same pattern as in the sintering of pure magnesium or regular magnesite. The most effective sintering additives are titanium and zirconium dioxides. Additions of ZrO2 produces a higher refractoriness-under-load of periclase-forsterite brick. Periclase-forsterite brick is highly-resistant in regenerator checkers of open-hearth furnaces. This is caused by peculiar changes in its mineralogical structure which occur during service, i.e. recrystallization of periclase in top layers which brings about higher density instead of looseness as in forsterite refractories bonded with unite. The forming and the properties of periclase-forsterite refractories as they depend on such factors as basic raw material, manufacturing methods and phase composition need further studies and large-scale testing in order to determine the rational areas of application.
    Type of Medium: Electronic Resource
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  • 3
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 1 (1960), S. 317-320 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 4
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 1 (1960), S. 317-320 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 5
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 14 (1973), S. 334-338 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 6
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 17 (1976), S. 90-95 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
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  • 7
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 17 (1976), S. 474-477 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions Lis'egorsk dolomites are a high-grade raw material for the production of tar-bonded dolomite and dolomite—magnesite refractories because they contain only small amounts of silica and sesquioxides. The sinterability of the dolomite is low but is improved when the fine-ground dolomite is first briquetted or scale is added. The resistance to converter slag of specimens of tar-bonded dolomite—magnesite refractories processed from Lis'egorsk dolomite is significantly higher than that of similar refractories used in the converters of the CMP. It will be necessary to carry out an investigation of a pilot-production scale in the calcining of Lis'egorsk dolomites and in the production of tar-bonded refractories from them.
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  • 8
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions The East Institute of Refractories has developed an effective method of using oxygen for burning the fuel in rotary kilns used for calcining refractory raw materials. The essence of the method consists in feeding oxygen and gas into the combustion chamber in the form of separate jets flowing from the nozzles at sonic and supersonic velocities and aimed at the material being fired. The proposed method is being introduced on rotary kilns for firing dolomite at the Chelyabinsk Factory, as a result of which there has been a big boost in the furnace output, a fall in the specific fuel consumption and dust removal, and also improvements in the quality of the fired powder. The method may be recommended for rotary kilns for firing magnesite and other forms of raw material.
    Type of Medium: Electronic Resource
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  • 9
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Conclusions The method of determining the electrical resistivity of periclase in relation to GOST 13236-73 envisaging the measurement of this value at 600, 800, and 1000°C does not provide an equivalent evaluation of the material in relation to these indices. On the basis of the analysis data from the distribution of values of the resistivity measured at various temperatures, it has been established for various classes of periclase that when the resistivity is measured at 1000°C, the classification of periclase in accordance with the classes in GOST 13236-73 almost completely matches the classification of periclase obtained by measuring the resistivity at the three temperatures. In drawing up the new Standard for electrical-engineering periclase using the method of determining the electrical resistivity, it is reasonable to consider the measurements at the lowest temperature.
    Type of Medium: Electronic Resource
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  • 10
    Electronic Resource
    Electronic Resource
    Springer
    Refractories and industrial ceramics 5 (1964), S. 225-230 
    ISSN: 1573-9139
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Summary Caustic dust obtained by calcining magnesite in rotary or shaft furnaces working with mazut sinters much more weakly than that obtained by calcining with coal dust. Increasing the temperature of calcination from 1600 to 1700° C is inadequate for a marked improvement in the sintering of the dust. Sintering can be strengthened by dispersing the dust very thoroughly or by making sintering additions. Oxides of iron effectively influence the sintering of caustic dust obtained in furnaces with coal heating, and very slightly affect sintering of dust obtained from oil-fired furnaces. There is a substantial increase in the sintering of dust from furnaces heated with oil with the addition of commercial titania, titano-magnetite concentrate or titano-alumina slag. It is most effective to add titano-alumina slag in amounts of 7–9% as a densifying agent. The addition of titano-alumina slag may be one of the ways of densifying magnesite powders during the calcination of caustic dust with the sludge process or by means of preliminary briquetting it (before burning). The microstructure of the specimens of caustic dust proves the effectiveness of titanium additions on the recrystallization of periclase and reducing the number and sizes of the pores.
    Type of Medium: Electronic Resource
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