It was found by means of image analysis how non-equilibrium conditions of solidification (contact with air or a mold, without contact) affect the macrostructural parameters of glass-ceramic spinelide-pyroxene materials. It was found that non-equilibrium conditions determine the structural zoning. A mechanism giving rise to the microzoning of structure is formulated: in the crystallization process a spinelide reaches a critical size at which it acquires its own ‘zone of influence’ — a certain volume of melt proportional to the size of the spinelide zone and forming a shell around the spinelide by epitaxial growth.
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Translated from Steklo i Keramika, No. 3, pp. 33 – 38, March, 2021.
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Ignatova, A.M., Vereshchagin, V.I. Structure Formation in Cast Spinelide-Pyroxene Glass-Ceramic Materials Under Non-Equilibrium Crystallization. Glass Ceram 78, 115–119 (2021). https://doi.org/10.1007/s10717-021-00358-0
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DOI: https://doi.org/10.1007/s10717-021-00358-0