US5403793A - Method of producing a ceramic shape and that ...
A method of producing an electrocast brick or other ceramic shape, and the ceramic shape produced thereby, wherein the electrocast brick or other ceramic shape is cast in a mold which is formed, with a predetermined cavity shape and size, of quartz glass particles; the ceramic material of the ceramic shape may be Al 2 O 3 -ZrO 2 -SiO 2 ceramic, Al 2 O 3 -SiO 2 ceramic or other heat meltable ...
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