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Bramsche/Neunburg vorm Wald, April 12, 2010 – Micro alloys with silver are used for “hot applications”. The collectors and commutators installed in electric motors are, for example, made from silver-alloyed copper. The overall machine can become extremely hot due to its compact design and high current densities. The temperatures, which occur in high-performance machines, can literally soften the copper: If copper exceeds the recrystallisation temperature, the material becomes soft and can easily deform. Silver alloys ensure that the unit remains dimensionally stable at all times, also in the case of heating due to high loading. It also retains its original strength after cooling down. For this reason, Nexans Deutschland GmbH offers copper alloys with silver – so-called micro alloys – which have a higher recrystallisation temperature. The oxygen-free copper is optimised, in the 8 to 16 mm range, for the production of profiles in Conform systems.
Visitors to the wire trade fair in Düsseldorf, 12-16 April, can learn more about the advantages of these micro alloys at stand B42 in hall 09. The Nexans experts will also be happy to explain the properties of other in-house copper raw materials to you there.
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