Copper + Aluminium

Weldability of the material and electrode material (guideline)

Weldability Very bad
Upper Electrode W100% (Equivalent to RWMA-13)
Mo100%
Lower Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Special Note Possible to weld under a special condition.

Physical Property

Cu Copper
Melting Point 1084℃
Electrical Resistivity 1.7×10-8Ω・m
Thermal Conductivity 401 W/(m・K)
Al Aluminium
Melting Point 660℃
Electrical Resistivity 2.7×10-8Ω・m
Thermal Conductivity 237 W/(m・K)