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A Study on on Iron's Iron's Furnace Furnace Transmutatioi Transmutation Glaze

SUN Guomao

(Weihai Porcelain Factory)

Abstract: The iron's furnace transmutation glaze (IFTG) is one of the most complex glaze.In this paper, a further research, about IFTG fired in oxidizing atmosphere, is done.The results obtained show that the concentration of Fe3+ in ground-glaze is influ­enced not only by firing atmosphere, but also by other metal oxides in the glaze, and no all of metal oxides, the cation radius of which is bigger, can turn a good· effect of furnace transmutation, although the viscosity of cover-glaze relates with radius. With EM,the microcrystal, which formed during the reaction between ground-glaze and cover-glaze, is discovcred too, and it is very important to IFTG.

Keywords: glaze, iron-colored glaze, furnace transmutation glaze, cover-glaze


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