Difference between revisions of "Patina"
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== Description == | == Description == | ||
| − | Originally described as a thin weathered surface. Natural patinas are usually desirable and are considered an indication of age. They occur on [http://cameo.mfa.org/materials/fullrecord.asp?name=stone stone], [http://cameo.mfa.org/materials/fullrecord.asp?name=wood wood], [http://cameo.mfa.org/materials/fullrecord.asp?name=ivory ivory], [http://cameo.mfa.org/materials/fullrecord.asp?name=varnish varnished] paintings, and [http://cameo.mfa.org/materials/fullrecord.asp?name=metal metals] due to years of use, handling, cleaning, polishing, oxidation, and/or exposure to the environment. A uniform patina, such as a green copper carbonate layer on [http://cameo.mfa.org/materials/fullrecord.asp?name=copper copper] or [http://cameo.mfa.org/materials/fullrecord.asp?name=bronze bronze], can protect the metal from deleterious corrosion. Patinas can also be synthetically induced with chemicals, but this results in a different microchemical structure of the surface layers (see [http://cameo.mfa.org/materials/fullrecord.asp?name=patina | + | Originally described as a thin weathered surface. Natural patinas are usually desirable and are considered an indication of age. They occur on [http://cameo.mfa.org/materials/fullrecord.asp?name=stone stone], [http://cameo.mfa.org/materials/fullrecord.asp?name=wood wood], [http://cameo.mfa.org/materials/fullrecord.asp?name=ivory ivory], [http://cameo.mfa.org/materials/fullrecord.asp?name=varnish varnished] paintings, and [http://cameo.mfa.org/materials/fullrecord.asp?name=metal metals] due to years of use, handling, cleaning, polishing, oxidation, and/or exposure to the environment. A uniform patina, such as a green copper carbonate layer on [http://cameo.mfa.org/materials/fullrecord.asp?name=copper copper] or [http://cameo.mfa.org/materials/fullrecord.asp?name=bronze bronze], can protect the metal from deleterious corrosion. Patinas can also be synthetically induced with chemicals, but this results in a different microchemical structure of the surface layers (see [http://cameo.mfa.org/materials/fullrecord.asp?name=patina%2C%20synthetic synthetic patina]). |
[[File:Oxalate.patina_ICOMOS.jpg|thumb|Oxalate patina]] | [[File:Oxalate.patina_ICOMOS.jpg|thumb|Oxalate patina]] | ||
== Synonyms and Related Terms == | == Synonyms and Related Terms == | ||
| − | aerugo; patine (Fr.); Patina (Deut.); | + | aerugo; patine (Fr.); Patina (Deut.); pátina (Esp.); patina (Ned.); pátina (Port.) |
== Additional Information == | == Additional Information == | ||
| Line 25: | Line 25: | ||
* ''The Dictionary of Art'', Grove's Dictionaries Inc., New York, 1996 Comment: P.T.Craddock, 'Patina" | * ''The Dictionary of Art'', Grove's Dictionaries Inc., New York, 1996 Comment: P.T.Craddock, 'Patina" | ||
| − | * | + | * G.S.Brady, ''Materials Handbook'', McGraw-Hill Book Co., New York, 1971 Comment: p. 231 |
| − | * | + | * Ralph Mayer, ''A Dictionary of Art Terms and Techniques'', Harper and Row Publishers, New York, 1969 (also 1945 printing) |
* ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | * ''Dictionary of Building Preservation'', Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996 | ||
| − | * | + | * George Savage, ''Art and Antique Restorer's Handbook'', Rockliff Publishing Corp, London, 1954 |
[[Category:Materials database]] | [[Category:Materials database]] | ||
Revision as of 07:56, 24 July 2013
Description
Originally described as a thin weathered surface. Natural patinas are usually desirable and are considered an indication of age. They occur on stone, wood, ivory, varnished paintings, and metals due to years of use, handling, cleaning, polishing, oxidation, and/or exposure to the environment. A uniform patina, such as a green copper carbonate layer on copper or bronze, can protect the metal from deleterious corrosion. Patinas can also be synthetically induced with chemicals, but this results in a different microchemical structure of the surface layers (see synthetic patina).
Synonyms and Related Terms
aerugo; patine (Fr.); Patina (Deut.); pátina (Esp.); patina (Ned.); pátina (Port.)
Additional Information
P.T.Craddock, 'Patina" The Dictionary of Art, Grove's Dictionaries, Inc. New York, 1996.
Additional Images
Iron-rich patina
Iron-rich patina
Authority
- The Dictionary of Art, Grove's Dictionaries Inc., New York, 1996 Comment: P.T.Craddock, 'Patina"
- G.S.Brady, Materials Handbook, McGraw-Hill Book Co., New York, 1971 Comment: p. 231
- Ralph Mayer, A Dictionary of Art Terms and Techniques, Harper and Row Publishers, New York, 1969 (also 1945 printing)
- Dictionary of Building Preservation, Ward Bucher, ed., John Wiley & Sons, Inc., New York City, 1996
- George Savage, Art and Antique Restorer's Handbook, Rockliff Publishing Corp, London, 1954