The Producing Features of Shaped Stone Casting in Low-Batch and Periodic Production Conditions

Abstract

Physico-technological institute of Metals and Alloys of National Academy of Sciences of Ukraine (Kyiv, Ukraine)
* Ltd «Zaporozhye titanium-magnesium plant» (Zaporizhzhia, Ukraine)

Received 11.11.2021

UDK 621.74:666.85/86.061.62

Periodic production of stone-cast products by metallurgical enterprises for their own usage is associated with solving the problems of non-serial production. First of all, these are the risks of inconsistency of charge materials, since the initial oxide charge materials (quartz sand, chamotte powder, periclase) are not subject of sufficient input control for chemical and mineral compositions, and the usage of chemically pure oxides as charge materials for stone casting materials in production - economically impractical. It was shown that usage of cast structure modifiers (SiC, B4C, ZrSiO4) for fluorophlogopite casting, compensates the insufficient input control of mineral composition of the charge, and provides effective decreasing of the cast mica crystals size even in large size casting.

References

1 Aidenzon M. A. (1969). Magnesium. M.: Metallurgiya. [in Russian].
2 Chemical encyclopedia: in 5 vls.: vol. 2: Duffa-Medi / Editorial Board: Knunyants IL. (Editor in Chief.) et al. М.: Soviet encyclopedia., 1990. 671 p.: illustr. [in Russian].
3 Chemical encyclopedia: in 5 vls.: vol. 1: А- Darzana/ Editorial Board: Knunyants IL. (Editor in Chief.) et al. М.: Soviet encyclopedia., 1988. 623 p.: illustr. [in Russian].
4 Chemical encyclopedia: in 5 vls.: vol. 5: Tryptophan-Iatrochemistry / Editorial Board: Zefirov NS (Editor in Chief.) et al. М.: The Great Russian Encyclopedia, 1998. 782 p.: illustr. [in Russian].
5 Malyavin A. G. (1983). Research and development of technology for obtaining shaped fluorophlogopite stone casting: Dissertation ... of candidate of technical sciences. Kyiv, 1983. P. 215. [in Russian].
6 Sokolov V. A., Gultyay I. I. (2006). Decomposition of zircon and thermodynamics of silica reduction reactions. Non-ferrous metals. No 1. P. 57–60. [in Russian].
7 Melted fluorophlogopite material: properties, prospects of application. Non-ferrous metallurgy, no 2, 2002, ЛеАТ, ЗСС, p. 36–40. [in Russian].