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Also, the size of the aluminum wire needs to be larger compared to copper wire used for the same circuit due to the increased resistance of the aluminum alloys. For example, a 15 A branch circuit supplying standard lighting fixtures can be installed with either #14 AWG copper building wire or #12 AWG aluminum building wire according to the NEC.
The wire is affixed to a base which is usually made of wood. The artist then begins fleshing out the sculpture by adding wax or clay over the wire. Depending on the material and technique, the armature may be left buried within the sculpture but, if the sculpture is to be hollowed out for firing, it must 1 be removed.
No heat-affected zone is produced in the bond between metals. The explosion propagates across the sheet, which tends to expel impurities and oxides from between the sheets. Pieces up to 4 x 16 metres can be manufactured. The process is useful for cladding metal sheets with a corrosion-resistant layer. [2]
A mould is a reversed impression of a sculpture which is used to cast replica sculptures. The material used to construct the mould needs to accurately reproduce the surface detail of the original sculpture, while also being strong enough to keep its shape during casting and resilient enough to retain detail after multiple castings.
Expanded metal is stronger than an equivalent weight of wire mesh such as chicken wire, because the material is flattened, allowing the metal to stay in one piece. The other benefit to expanded metal is that the metal is never completely cut and reconnected, allowing the material to retain its strength. [1]
Wire sculpture is the creation of sculpture out of wire. The use of metal wire in jewelry dates back to the 2nd Dynasty in Egypt and to the Bronze and Iron Ages in Europe. [ 1 ] In the 20th century, the works of Alexander Calder , Ruth Asawa , and other modern practitioners developed the medium of wire sculpture as an art form.
As the foil sheets come through the rollers, they are trimmed and slitted with circular or razor-like knives. Trimming refers to the edges of the foil, while slitting involves cutting it into several sheets. [20] Aluminum foil is the most commonly produced product via pack rolling. This is evident from the two different surface finishes; the ...
The process of perforating metal sheets has been practiced for over 150 years. In the late 19th century, metal screens were used as an efficient means of separating coal. The first perforators were laborers who would manually punch individual holes into the metal sheet. This proved to be an inefficient and inconsistent method which led to the ...