Mössbauer study of the firing process of the imitative ancient sky-blue Jun porcelain
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Mössbauer spectra of the imitative ancient Jun porcelain indicate that the glaze and body materials contain Fe2O3, Fe3O4 and structural iron. It is clear that during the firing process, the glaze undergoes dehydration, dehydroxylation, vitrification and recrystallization. The Fe2+ quadrupole splitting value of the paramagnetic peak of the body material is high even at low firing temperatures. For the body material, the distinction between dehydration and dehydroxylation is not clear. The changes of magnetism of the glaze and body materials in the firing process and the coloring mechanism of the sky-blue Jun porcelain are analyzed in the present paper.
KeywordsColor Iron Thin Film Fe2O3 Recrystallization
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