Zobrazeno 1 - 10
of 46
pro vyhledávání: '"V. N. Koptelov"'
Publikováno v:
Refractories and Industrial Ceramics. 47:340-343
The paper considers technological innovations successfully used in large-scale production, which ensure good competitive prospects for the Magnezit Works with respect to its competitors.
Publikováno v:
Refractories and Industrial Ceramics. 45:294-299
Chrome ores are natural mineral formations of magmatic origin composed mainly of chrome spinellide and accessory minerals crystallized from basaltic and ultra-basic magmas. They are also called chromites or, after the name of the main component — n
Autor:
L. M. Aksel’rod, N. A. Puchkelevich, T. V. Yarushina, I. G. Maryasev, F. S. Kaplan, V. N. Koptelov
Publikováno v:
Refractories and Industrial Ceramics. 45:140-143
Results of an experimental study of the heat conductivity of carbon-containing refractories, commercially available from the Magnezit Kombinat JSC, a leading manufacturer in the field in Russia, are presented. Heat conductivity anisotropy has been re
Publikováno v:
Refractories and Industrial Ceramics. 44:405-410
Results for alumomagnesian spinel prepared by fusing periclase from natural magnesite and alumina at 30.5 – 32.5% MgO are reported. The structure of solidified melt is similar to that of eutectic; the role of impurities and nonequilibrium crystalli
Publikováno v:
Refractories and Industrial Ceramics. 44:338-342
Results for periclase-carbon materials with different proportion of the finely dispersed fraction tested for linear expansion at 20 – 1420°C under argon are reported. The composition of finely dispersed fraction (varying in proportion from 100% pe
Autor:
D. V. Ponomarev, O. F. Shatilov, V. A. Kamenskikh, K. G. Zemlyanoi, V. N. Koptelov, I. D. Kashcheev
Publikováno v:
Refractories and Industrial Ceramics. 44:301-305
The sintering of a mixture of a caustic dust and an alumina dust collected from electric filters taken in MgO/Al2O3 ratios of 0.1, 0.28, 0.5, and 0.75 at 1650°C is studied. Materials with superior physicomechanical properties are obtained: open poro
Publikováno v:
Refractories and Industrial Ceramics. 44:17-21
Test results for new carbon-containing refractories for the lining of steel-teeming ladles — PUSK, PShUK, PShUP, PUPK, and ShPUP-grade, available from the Kombinat Magnezit JSC, are presented. The properties of refractory components (including heat
Publikováno v:
Refractories and Industrial Ceramics. 43:22-25
Thermomechanical and chemical-ceramic properties of the PTMS basic-composition mixture for the consumable refractory lining of intermediate ladles in service at the Kombinat Magnezit Joint-Stock Co. are considered and some details of the fabrication
Publikováno v:
Refractories and Industrial Ceramics. 43:145-153
Results of a preliminary study of the composition and properties of magnesites of provenance from the Goluboe deposit (Krasnoyarskii Krai, Russia) are reported. All magnesites, irrespective of their varietal, structural, and textural features, can be
Publikováno v:
Refractories and Industrial Ceramics. 43:65-70
A range of refractory materials for the converter's taphole lining commercially available from the Kombinat Magnezit Joint-Stock Co. and major aspects of the processing technology are considered. The effective use of antioxidant additions is confirme