Tungsten Copper Contacts Description: Owing to the good performance of electrical conductivity, tungsten copper contact can be used as electrical contact material, The high electrical and thermal conductivity of copper are combined with the arc-resistant and non-welding properties of tungsten or their carbides to form an extensive series of compositions. Each is designed to give the best performance for your particular application.
Tungsten copper materials are used for arcing contacts in SF6 circuit breakers for high and medium voltage applications. At the heart of the switching chamber, tungsten copper arcing contacts are exposed to extreme mechanical and thermal stresses. During arcing, the temperature can reach levels ≥ 20,000 K, for instance.
Tungsten Copper Contacts Application:
high density, high strength and hardness, arc wear resistance, copper tungsten carbide contacts is wildly used as the electrical contact and electrode too.
· electrical contacts
· edm & ecm electrodes
· resistance welding electrodes, inserts & facings
· wear surfaces requiring high electrical & thermal conductivity
· radiation shields
· weights & counter balances
Tungsten Copper Contacts Advantages:
· Excellent arc resistance
· Outstanding electrical conductivity
· High strength
· Good machinability
· Very good thermal conductivity
Low thermal expansion
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