The processes of molding via vibrocompression (p=0.3 MPa) and static compression (p up to 500 MPa) are studied as applied to the technology of silica ceramic concretes based on a quartz HCBS and a mixture with a 5% addition of clay. The minimum values of the semifinished-product porosity for the aforementioned methods of molding are 11.5–12 and 15–16%, respectively. In static compression, for comparable compositions and moisture content the same porosity values are attained for mixtures with a clay addition at pressures 3–4-fold lower than those required for mixtures without clay.
Refractories and Industrial Ceramics – Springer Journals
Published: Nov 26, 2007
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