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Conservation and restoration of ceramic objects is a process dedicated to the preservation and protection of objects of historical and personal value made from ceramic. Typically, this activity of conservation-restoration is undertaken by a conservator-restorer , especially when dealing with an object of cultural heritage .
Traditional Asian lacquer has been used for centuries [2] and is derived from sap, prominently that from the Urushi tree; part of the sumac family grown throughout Japan, China and Korea. [3] Sap from the tree contains a chemical compound called urushiol that hardens when exposed to humidity. [4] The sap is processed to remove impurities. [5]
Furniture repair is the craft of making broken or worn furniture usable again. It may include the preservation of old furniture, which is referred to as restoration . The craft of furniture repair requires a number of different skills including woodworking , metalworking , wood finishing , caning (furniture) , woodturning , and upholstery .
Water causes damage and results from natural occurrences, technological hazards, or mechanical failures. Many cases of water damage can be traced to accidents or neglect. "A great many of the materials that museum objects are made of are highly susceptible to contact with water and can be severely damaged by even brief contact, while others may be exposed to water for longer periods without harm.
Check furniture for damage or loose joins before moving it. Remove objects from the surface and then remove drawers, shelves, and doors. Elements that cannot be removed should be secured with soft cloth (cotton) straps. [19] As well as structural damage, dents, surface wear, scratches, stains and wax from candles are all evidence of past use.
Tape casting (also called doctor blading, knife coating, and shank shifting) [1] is a casting process used in the manufacture of thin ceramic tapes and sheets from ceramic slurry. [2] The ceramic slurry is cast in a thin layer onto a flat surface and then dried and sintered. [3] It's a part of powder metallurgy. [4]: 167
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Ceramic shell casting techniques using silica, zirconia and other refractory materials are currently used by the metal parts industry for 'net casting', forming precision shell moulds for molten metal casting. The technique involves a successive wet dipping and dry powder coating or stucco to build up the mould shell layer.