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A copper strip is formed into the shape of a cylinder, while it is being wrapped around an aluminum core and the edges of the copper strip are welded together. The assembly is then pulled through a die, where the cladded wire is squeezed and stretched while also improving the bonding between the copper and the aluminum core. [1]
Aluminium–copper alloys (AlCu) are aluminium alloys that consist largely of aluminium (Al) and traces of copper (Cu) as the main alloying elements. Important grades also contain additives of magnesium , iron , nickel and silicon ( AlCu(Mg, Fe, Ni, Si) ), often manganese is also included to increase strength (see aluminium-manganese alloys ).
In communist former East Germany (GDR, 1945-1990), aluminum or Copper-clad aluminium wire (″AlCu-Kabel″) had to be used for wiring as copper was expensive to import. [4] While all devices were designed for aluminum during that era, this ended with unification in 1990 when standard Western European equipment became available and the national ...
Nickel is the most common contact allergen worldwide (of people with contact dermatitis, 11.4% in Europe, 8.8–25.7% in China, and 17.5% in North America are allergic to nickel). [1] Nickel allergy, and contact allergies more generally, can develop when people are any age, but they are most likely to develop in early adulthood.
Copperweld is an American company based in Fayetteville, Tennessee, and maintaining a management office in Brentwood, Tennessee.Its main products are wire and stranded electrical cable made from its Copperweld brand copper-clad steel ("CCS") or copper-clad aluminum ("CCA"). [1]
Copper is the electrical conductor in many categories of electrical wiring. [3] [4] Copper wire is used in power generation, power transmission, power distribution, telecommunications, electronics circuitry, and countless types of electrical equipment. [5] Copper and its alloys are also used to make electrical contacts.
Due to poor corrosion resistance, it is often clad with aluminium or Al-1Zn for protection, although this may reduce the fatigue strength. [1] [2] In older systems of terminology, 2XXX series alloys were known as duralumin, and this alloy was named 24ST. 2024 is commonly extruded, and also available in alclad sheet and plate forms.
2219 aluminium alloy is an alloy in the wrought aluminium-copper family (2000 or 2xxx series). It can be heat-treated to produce tempers with higher strength but lower ductility. The aluminium-copper alloys have high strength, but are generally less corrosion resistant and harder to weld than other types of aluminium alloys.