The influence of fluxes and non-fluxes upon the change in the porosity and the specific gravity of some clays (1907)
Bleininger, Albert, b. 1873, Moore, Joseph Kennedy, joint author · [Urbana], The University · leaf 66
hows a lower porosity than at Cone 2. This increasein porosity at the higher temperature appears to be due tovesicular structure, wliich is observed eyen before vitrifica-tion is reached at any point. With 16% FeaO-. the shalemixture reaches complete vitrification at Cone 2, at whichtemperature the… … fctOj ^ ♦ 6 8 10 12 14- 16 m 20 FLINT 18 16 14 12 10% COMPOSITION 8 6 4 2 0 62 THE INFLUENCE OF FLUXES AND NON-FLUXES UPON THE CHANGES oxide and flint, Fif>-. 52, we observe somewhat similar con-ditions. Complete vitrification is reached here as low asCone 01, at which temperature the normal…
Pottery
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