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2. Temper (pottery) - Wikipedia

   en.wikipedia.org/wiki/Temper_(pottery)

   Some clays used to make pottery do not require the addition of tempers. Pure kaolin clay does not require tempering. [6] Some clays are self-tempered, that is, naturally contain enough mica, sand, or sponge spicules that they do not require additional tempering. [14] [13]

3. Slip (ceramics) - Wikipedia

   en.wikipedia.org/wiki/Slip_(ceramics)

   African red slip ware: moulded Mithras slaying the bull, 400 ± 50 AD.. A slip is a clay slurry used to produce pottery and other ceramic wares. [1] Liquified clay, in which there is no fixed ratio of water and clay, is called slip or clay slurry which is used either for joining leather-hard (semi-hardened) clay body (pieces of pottery) together by slipcasting with mould, glazing or decorating ...

4. Pottery - Wikipedia

   en.wikipedia.org/wiki/Pottery

   Clay tempered with sand, grit, crushed shell or crushed pottery were often used to make bonfire-fired ceramics because they provided an open-body texture that allowed water and volatile components of the clay to escape freely. The coarser particles in the clay also acted to restrain shrinkage during drying, and hence reduce the risk of cracking.

5. Grog (clay) - Wikipedia

   en.wikipedia.org/wiki/Grog_(clay)

   Grog is used in pottery and sculpture to add a gritty, rustic texture called "tooth"; it reduces shrinkage and aids even drying. This prevents defects such as cracking, crows feet, patterning, and lamination. The coarse particles open the green clay body to allow gases to escape.

6. Ceramic forming techniques - Wikipedia

   en.wikipedia.org/wiki/Ceramic_forming_techniques

   Pottery techniques include the potter's wheel, slip casting and many others. Methods for forming powders of ceramic raw materials into complex shapes are desirable in many areas of technology. For example, such methods are required for producing advanced, high-temperature structural parts such as heat engine components, recuperators and the ...

7. Slip casting - Wikipedia

   en.wikipedia.org/wiki/Slip_casting

   [26] [27] [28] Typical deflocculant additions used for a Vitreous China casting slip are 0.1-0.65%; the rheological properties of the clay components are the main influencing factors for the dosage. [29] A mathematical formula developed by Alexandre Brongniart of Sèvres Porcelain is used to determine the dry material content of the slip. This ...