Aging (artwork)

Aging is a process by which an artwork, typically a painting or sculpture, is made to appear old. It is meant to emulate the natural deterioration that can occur over many decades or centuries. Although there may be "innocent" reasons for it, ageing is a technique very often used in art forgery.[1]

Paintings deteriorate over time because they are created using essentially incompatible materials, with each having a different reaction to the changes in the environment, including light, temperature and relative humidity.

An oil painting consists of several layers, comprising the base canvas, a layer of gesso base coat, several layers of the oil-based paint and then several coats of varnish to protect the paint surface. With many different materials, it is understandable that each layer may dry at different rates and will also absorb and release moisture at different rates. When this occurs, expansion and contraction of the painting will result in a crazing of the varnish surface. This pattern of small cracks is known as craquelure. Along with the darkening or yellowing of the varnish surface, it is this visual representation of the cracking that is typically the primary indicator of ageing.

The purpose for artificially ageing is to create a finished product that accurately reflects an era or is consistent with the environment (usually period) into which it is to be placed.

## References

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1. ^ Esterow, Milton (2021-09-01). "Joining Plastic, Glass and Metal on the Recycle List: Fake Art". The New York Times. ISSN 0362-4331. Retrieved 2024-02-02.

## See also

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* Art conservation and restoration
* Art forgery
* Distressing

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Cultural heritage and historic preservation

Topics
and issues|

* Agents of deterioration
* Archival processing
* Archaeological science
* Archaeology
* Archive
* Bioarchaeology
* Book
* Calendar (archives)
* Conservation and restoration of cultural property
* Conservation and restoration of immovable cultural property
* Conservation and restoration of movable cultural property
* Conservation science (cultural property)
* Collecting
* Collection (museum)
* Collection catalog
* Collections maintenance
* Collections management
* Collections management system
* Cultural heritage
* Cultural heritage management
* Cultural property
* Cultural property documentation
* Cultural property exhibition
* Cultural property imaging
* Cultural property storage
* Cultural resource management
* Database preservation
* Deaccessioning
* Digital library
* Digital photograph restoration
* Digital preservation
* Disaster preparedness (cultural property)
* Film preservation
* Finding aid
* Fonds
* Found in collection
* Heritage asset
* Heritage science
* Historic site
* Inherent vice
* Intangible cultural heritage
* Integrated pest management (cultural property)
* Inventory (library and archive)
* Inventory (museums)
* Media preservation
* Midden
* Mold control and prevention (library and archive)
* Museum
* Optical media preservation
* Preservation (library and archive)
* Preservation metadata
* Preservation survey
* Provenance
* Repatriation
* Ruins
* Sustainable preservation
* Treasure
* Web archiving

Roles
and expertise|

* Archivist
* Art dealer
* Art handler
* Auctioneer
* Collection manager
* Conservator-restorer
* Conservation scientist
* Conservation technician
* Curator
* Exhibition designer
* Mount maker
* Objects conservator
* Paintings conservator
* Photograph conservator
* Preservationist
* Registrar (cultural property)
* Textile conservator

Methods
and techniques|

* Aging (artwork)
* Anastylosis
* Arrested decay
* Cradling (paintings)
* Cultural property radiography
* Detachment of wall paintings
* Desmet method
* Display case
* Digital repository audit method based on risk assessment
* Historic paint analysis
* Inpainting
* Kintsugi
* Leafcasting
* Lining of paintings
* Mass deacidification
* Overpainting
* Paleo-inspiration
* Paper splitting
* Reconstruction (architecture)
* Rissverklebung
* Textile stabilization
* Transfer of panel paintings
* UVC-based preservation
* VisualAudio

Conservation
and restoration
of immovable
cultural property
by item type|

* Archaeological sites
* Frescos
* Heritage railways
* Historic gardens
* Outdoor artworks
* Outdoor bronze objects
* Outdoor murals

Conservation
and restoration
of movable
cultural property
by item type|

* Aircraft
* Ancient Greek pottery
* Bone, horn, and antler objects
* Books, manuscripts, documents and ephemera
* Ceramic objects
* Clocks
* Copper-based objects
* Feathers
* Film
* Flags and banners
* Fur objects
* Glass objects
* Herbaria
* Human remains
* Illuminated manuscripts
* Insect specimens
* Iron and steel objects
* Ivory objects
* Judaica
* Lacquerware
* Leather objects
* Lighthouses
* Metals
* Musical instruments
* Neon objects
* New media art
* Paintings
* Painting frames
* Panel paintings
* Papyrus
* Parchment
* Performance art
* Photographs
* Photographic plates
* Plastic objects
* Rail vehicles
* Road vehicles
* Shipwreck artifacts
* Silver objects
* South Asian household shrines
* Stained glass
* Taxidermy
* Textiles
* Tibetan thangkas
* Time-based media art
* Totem poles
* Vinyl discs
* Woodblock prints
* Wooden artifacts
* Wooden furniture

Intangible
cultural heritage
preservation|

* Ancient music
* Applied folklore
* Dance notation
* Early music
* Endangered language
* Ethnochoreology
* Ethnomusicology
* Ethnopoetics
* Family folklore
* Folklore
* Folk art
* Folk dance
* Folk etymology
* Folk instrument
* Folk music
* Folk process
* Folk play
* Foodways
* Folklore studies
* Heritage language
* Heritage language learning
* Indigenous intellectual property
* Indigenous culture
* Indigenous language
* Language death
* Language preservation
* Language revitalization
* Living history
* Oral history preservation
* Preservation of meaning
* Prehistoric music
* Tradition preservation
* Traditional knowledge
* Traditional medicine

Notable
projects|

* Conservation issues of Pompeii and Herculaneum
* Conservation-restoration of Ecce Homo by Elías García Martínez
* Conservation-restoration of The Gross Clinic by Thomas Eakins
* Conservation-restoration of Leonardo da Vinci's The Last Supper
* Pompeian frescoes
* Conservation-restoration of the Shroud of Turin
* Conservation-restoration of the Sistine Chapel frescoes
* Conservation-restoration of the Statue of Liberty
* Conservation-restoration of the H.L. Hunley
* Conservation response to flood of Arno, Florence
* Modern and Contemporary Art Research Initiative
* Preservation Metadata: Implementation Strategies
* World Heritage Site

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