Zobrazeno 1 - 10
of 70
pro vyhledávání: '"Andrey N. Dmitriev"'
Autor:
Danil V. Serbin, Andrey N. Dmitriev
Publikováno v:
Записки Горного института, Vol 257, Pp 833-842 (2022)
During the seasonal work of the 64th Russian Antarctic Expedition in 2018-2019 at the “Vostok” drilling facility named after B.B.Kudryashov (“Vostok” station, Antarctic) specialists of Saint Petersburg Mining University conducted experimental
Externí odkaz:
https://doaj.org/article/fb5393829287405babf5ae3c2e3a702b
Publikováno v:
Magnetochemistry, Vol 9, Iss 10, p 212 (2023)
To study the influence of sinter basicity on the microstructure, phase composition, and physicochemical and metallurgical properties, samples of agglomerates with different basicities were sintered and investigated. A comprehensive study of the struc
Externí odkaz:
https://doaj.org/article/4e73ab38483a4302b152e5e27b844daa
Publikováno v:
Defect and Diffusion Forum. 420:63-72
Strength characteristics of iron ore agglomerates of various basicity (mechanical strength and abrasion resistance, thermomechanical strength) have been investigated. The chemical and phase compositions of iron ore agglomerates, their microstructure
Publikováno v:
Defect and Diffusion Forum. 413:157-166
The paper considers the theoretical foundations of softening of iron ore materials in a blast furnace (the so-called ‘cohesion zone’). The dependences of the temperature range of softening of iron ore materials (the temperatures of the beginning
Autor:
Andrey N. Dmitriev, Elena A. Vyaznikova, Galina Yu. Vitkina, Roman V. Alektorov, Alexey B. Shubin
Publikováno v:
Defect and Diffusion Forum. 413:201-208
Metallurgical characteristics of iron ore agglomerates of various basicity (reducibility, strength after reduction (LTD+6.3), temperatures of the beginning and ending of softening) have been investigated. The phase composition (XRD) of iron ore agglo
Publikováno v:
Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information. 77:1039-1045
Development of a technology for obtaining direct reduction iron from titanium-magnetite ores, which will be the main ore base of the Ural ferrous metallurgy in the future, is one of the urgent tasks of metallurgical science. The world and domestic ex
Publikováno v:
Materials Science Forum. 1026:102-108
Questions about the oxidative roasting of iron ore raw materials (agglomerates and pellets) are studied. Features of the phase structure of the iron ore raw materials containing titan and vanadium are discussed. Reducibility, durability, and the soft
Publikováno v:
Defect and Diffusion Forum. 407:41-50
The metallurgical characteristics of pellets (reducibility, strength after reaction, softening start and end temperatures), phase composition (X-ray phase analysis), and porosity were studied. Blast furnace smelting parameters were calculated using l
Publikováno v:
Ferrous Metallurgy. Bulletin of Scientific , Technical and Economic Information. 76:339-343
At present in view of computers and control systems development, the role of digitizing and digital transformation of metallurgical production has increased. The most important element of the transformation to digital metallurgy is the concept “Ind
Publikováno v:
Defect and Diffusion Forum. 400:176-185
The reducibility of titanomagnetite iron ore materials (agglomerate, pellets) with various TiO2 contents are studied. The mineralogical features of agglomerate and pellets before and after reduction are investigated. Calculations of technical and eco