Nickel + Copper

Weldability of the material and electrode material (guideline)

Weldability No good
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode W100% (Equivalent to RWMA-13)
Mo100%
Special Note Not enough welding strength.
Clean electrode generates no stick.
Pay attention on polarity.

Physical Property

Ni Nickel
Melting Point 1455℃
Electrical Resistivity 6.8×10-8Ω・m
Thermal Conductivity 90.7 W/(m・K)
Cu Copper
Melting Point 1084℃
Electrical Resistivity 1.7×10-8Ω・m
Thermal Conductivity 401 W/(m・K)