Refractories and Industrial Ceramics Vol. 50, No. 4, 2009 RAW MATERIALS PETROGRAPHIC ANALYSIS OF CONTEMPORARY REFRACTORY VANADIUM SLAGS 2 3 3 3 V. A. Perepelitsyn, A. L. Smirnov, L. A. Smirnov, and V. A. Rovnushkin Translated from Novye Ogneupory, No. 7, pp. 17 – 22, July 2009. Original article submitted April 17, 2009. MICROSTRUCTURE OF VANADIUM SLAGS between crystals of fayalite and secondary, solid phase, forming during firing of glass phase (by a sitallization mech- anism for Ti-containing silicate glasses); Industrial slags – precipitates of glass phase have an irregular shape since it fills the space (interstices) of all other crystalline phases; The microstructure of the overwhelming majority of specimens as a whole is fundamentally similar and it has the – in all specimens in a variable amount there is a metal following common features: phase (iron) with sizes of micro-inclusions from several mi- – approximately 50 – 60% of the area (volume) of the crons to tens of millimeters; microstructure is occupied by isometric crystals of spinelid – the content of metal inclusions is from 1.5 to 8.0 vol.%; whose size varies within wide limits, i.e. from 10 to 100 m – secondary (impurity or accessory) minerals, repre-
Refractories and Industrial Ceramics – Springer Journals
Published: Dec 10, 2009
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