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  2. Ceramic glaze - Wikipedia

    en.wikipedia.org/wiki/Ceramic_glaze

    Raw materials for ceramic glazes generally include silica, which will be the main glass former. Various metal oxides, such as those of sodium, potassium and calcium, act as flux and therefore lower the melting temperature. Alumina, often derived from clay, stiffens the molten glaze to prevent it from running off the piece. [7]

  3. Conservation and restoration of ancient Greek pottery

    en.wikipedia.org/wiki/Conservation_and...

    The composition of minerals, metal, organic and other inorganic materials in the clay varies depending on its source. These variations affect the color of the clay before and after firing. Iron is the most common material found in clay, and can add red, grey, or buff coloring to the object. [5]

  4. Glass-ceramic-to-metal seals - Wikipedia

    en.wikipedia.org/wiki/Glass-ceramic-to-metal_seals

    The white opaque "glue" between the panel and the funnel of a colour TV cathode ray tube is a devitrified solder glass based on the system PbO – ZnO – B 2 O 3.While this is a glass-ceramic-to-glass seal, the basic patent of S.A. Claypoole considers glass-ceramic-to-metal seals as well.

  5. Conservation and restoration of ceramic objects - Wikipedia

    en.wikipedia.org/wiki/Conservation_and...

    [contradictory] This type of clay is water-soluble and unstable. Earthenware is clay that has been fired between 1000–1200°C or 1832°–2192°F. The firing makes the clay water insoluble but does not allow the formation of an extensive glassy or vitreous within the body. Although water-insoluble, the porous body of earthenware allows water ...

  6. Lute (material) - Wikipedia

    en.wikipedia.org/wiki/Lute_(material)

    Lute (from Latin Lutum, meaning mud, clay etc.) [1] was a substance used to seal and affix apparatus employed in chemistry and alchemy, and to protect component vessels against heat damage by fire; it was also used to line furnaces. Lutation was thus the act of "cementing vessels with lute".

  7. Kintsugi - Wikipedia

    en.wikipedia.org/wiki/Kintsugi

    Lacquerware is a longstanding tradition in Japan [6] [7] and, at some point, kintsugi may have been combined with maki-e as a replacement for other ceramic repair techniques. . While the process is associated with Japanese craftsmen, the technique was also applied to ceramic pieces of other origins including China, Vietnam, and Kor

  8. Glossary of pottery terms - Wikipedia

    en.wikipedia.org/wiki/Glossary_of_pottery_terms

    A suspension of clay, clay body or glaze in water.( Slip casting A technique for shaping an article by pouring a deflocculated, high-solids content slip into a porous, often plaster, mould Slipware pottery where decoration in slip is a main feature. Includes slip-painting, slip-trailing, and many other techniques Slop Another name for slurry ...

  9. Kalai (process) - Wikipedia

    en.wikipedia.org/wiki/Kalai_(process)

    The art of kalai (kalhai or qalai) is the process of coating an alloy surface such as copper or brass by deposition of metal tin on it. [1] The word "kalai" is derived from Sanskrit word kalya lepa, which means "white wash or tin". [2]