Productivity and parameters of screw-drive sinking machines

Institute of Coal, Siberian Branch, Academy of Sciences of the USSR, Kemerovo. Translated from Fiziko-Tekhnicheskie Problemy Razrabotki Poleznykh Iskopaemykh, No. 6, pp. 37–42, November–December, 1989.     

A study of the microstructure of niobium-microalloyed pipe steel after different modes of controlled rolling with accelerated cooling

The phase composition and mechanical properties of rolled thick sheets from pipe steel 05G1MB produced by different modes of controlled rolling with accelerated cooling are studied. The effects of the temperature and deformation regime, of the final rolling temperature, and of the temperature of the start of accelerated cooling on the phase composition of the rolled sheets are considered. The temperature range in which intense reduction during rolling should be avoided in order to keep niobium in the solid solution of the γ-phase and to ensure subsequent segregation of fine niobium carbides in ferrite is determined.     

Design and Construction of Right Pole Figures for Textures Formed in the Phase Transformation in Iron

Metal Science and Heat Treatment -     

Production of Periclase-Carbon Refractories at Semiluki Refractory Plant

The technology and commercial production of periclase-carbon articles with a regular grain composition from a raw material with unstable grain size are described. A comparative study of casting, elemental, and crucible graphite as the basic carbon component has shown that the best commercial properties are provided by the use of crucible graphite. Tests of periclase-carbon refractories without metallic aluminum and with various contents of aluminum have shown the possibility of a differentiated approach to the use of the antioxidant with allowance for the specific service conditions of the lining.     

Optimization of the operational properties of tungstenless hard alloys

Translated from Poroshkovaya Metallurgiya, No. 11 (347), pp. 65–71, November, 1991.     

Standard hydraulic drive for adjusting the impeller blades of axial and mixed-flow pumps

Translated from Khimicheskoe i Neftyanoe Mashinostroenie, No. 6, pp. 20–22, June, 1989.