Nickel + Aluminium Alloy (ex. Duralumin)

Weldability of the material and electrode material (guideline)

Weldability No good
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Special Note Not enough welding strength.
Possible to weld under a special condition.
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)
Al alloy Aluminium Alloy (ex. Duralumin)
Melting Point ≈630℃
Electrical Resistivity 78×10-8Ω・m
Thermal Conductivity ≈225 W/(m・K)