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Silver nickel alloy electrical contact (AgNi10~20)

Silver nickel (AgNi) electrical contacts made of advanced materials, sintering, extrusion technology, nickel fibrous particles were uniformly distributed. Silver nickel (AgNi) electrical contacts of the contact resistance low and stable, electrical conductivity, thermal conductivity, and the burning of small, electric wear small and uniform, silver-nickel alloy (AgNi) electrical contacts in DC under the opening and closing, the electrical contacts materials transfer less than the silver contacts, especially for small enclosure off use; but (AgNi) Silver nickel alloy electrical contacts in the oxide Ershi off electrical contacts when the contact resistance increased, the sulfur-sensitive, high current, resistance poor welding performance. (AgNi) nickel-silver electrical contacts are usually associated with (AgNiC ) Silver graphite electrical contact pair used. Silver nickel alloy material (AgNi) contains a special additive trace significantly improve resistance to weld the material properties and resistance to electrical wear. Mainly used in small enclosure in the high-load contact, the contact with DC under the conditions; low-voltage, small current level of contact, instrument switch, light control switches, relays, thermostat and washing machine timer. The main products are nickel-silver alloy electrical contacts AgNi, AgNi (10 ~ 20) / Cu Ag Ni / Cu composite electrical contact, silver nickel / copper-nickel alloy - AgNi (10 ~ 20) / CuNi (8 ~ 10) composite power contacts, etc.

Silver nickel electrical contacts of the mechanical and physical properties of materials

Type
AgNi10
AgNi15
AgNi20
Ni %
10
15
20
Resistivity̦cm
1.88
2.01
2.10
Conductivity IACS%
94.10
90.70
78.40
Density g/cm3
10.30
10.21
10.10
Hardness HV-N/mm2
750980
800980
850980
Tensile strength Mpa
320-360
320-360
260-320

 
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