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Pavlushkin, N.M. (1970) Fundamentals of the Technology of Glass-Ceramics. Stroiizdat, Moscow.

has been cited by the following article:

  • TITLE: Volume and Surface Nucleation of Crystals in Glass Based on Blast-Furnace Slag

    AUTHORS: Galina A. Sycheva

    KEYWORDS: Glass Based on Blast-Furnace Slag, Volume Nucleation, Catalyzed Volume Nucleation, Surface Crystal Growth and Nucleation

    JOURNAL NAME: Journal of Crystallization Process and Technology, Vol.7 No.2, April 30, 2017

    ABSTRACT: Using differential thermal analysis, X-ray phase analysis, electron microscopy, and optical microscopy, the nucleation of crystals in glass obtained by blending metallurgical slag with silicon dioxide has been studied. The type of crystallization (homogeneous or heterogeneous, volume or surface) is revealed for each of nine compositions of synthesized glass. It is shown that the first crystalline phase in a volume crystallizing glass is perovskite (CaO·TiO2); in this phase a nucleation of the main phase occurs: melilite (solid solution of gehlenite 2CaO·Al2O3·SiO2 in akermanite 2CaO·MgO·2SiO2). The fundamental characteristics of homogeneous (for a catalizing phase, perovskite) and heterogeneous (for a catalyzed phase, melilite) of crystallization are determined: the steady state nucleation rate Ist, time of unsteady state nucleation τ, crystal growth rate U, and activation energy of frictional flow. The temperature dependences of Ist, τ, and U are obtained. The kinetics of the crystallization of glass is studied and the rates of the surface crystal growth are determined in the glass of nine compositions. The influence of grinding the particles of the original glass on the sequence of deposition of the crystalline phases was studied. Practical recommendations are presented for the use of blast-furnace slag as a raw material for the synthesis of glass and their further utilization.