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The conservation and restoration of outdoor bronze artworks is an activity dedicated to the preservation, protection, and maintenance of bronze objects and artworks that are on view outside. When applied to cultural heritage this activity is generally undertaken by a conservator-restorer .
Oxide jacking has caused concrete spalling on walls of the Herbst Pavilion at Fort Mason Center in San Francisco. The expansive force of rusting, which may be called oxide jacking or rust burst, is a phenomenon that can cause damage to structures made of stone, masonry, concrete or ceramics, and reinforced with metal components.
Close-up of a pipe flange showing bolts affected by rust in an outdoor environment. Rusty bolts and clamps on an antenna mount experiencing the rusty bolt effect. The rusty bolt effect is a form of radio interference due to interactions of the radio waves with dirty connections or corroded parts. [ 1 ]
Unlike wear patina necessary in applications such as copper roofing, outdoor copper, bronze, and brass statues and fittings, chemical patina is considered a lot more uneven and undesirable. [2] Patina is the name given to tarnish on copper-based metals, while toning is a term for the type of tarnish which forms on coins.
For harsh environments such as outdoors, high humidity, and salty environments, there should be not more than 0.15 V difference in the anodic index. For example: gold and silver have a difference of 0.15 V, therefore the two metals will not experience significant corrosion even in a harsh environment.
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Severe car body corrosion example. Rustproofing is the prevention or delay of rusting of iron and steel objects, or the permanent protection against corrosion.Typically, the protection is achieved by a process of surface finishing or treatment.
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