Molybdenum, Tungsten + Copper

Weldability of the material and electrode material (guideline)

Weldability Very bad
Upper Electrode Cu-Cr-Zr (Equivalent to RWMA-2)
Lower Electrode W100% (Equivalent to RWMA-13)
Mo100%
Special Note Not enough welding strength.

Physical Property

W Tungsten
Melting Point 3422℃
Electrical Resistivity 5.5×10-8Ω・m
Thermal Conductivity 174 W/(m・K)
Mo Molybdenum
Melting Point 2623℃
Electrical Resistivity 5.7×10-8Ω・m
Thermal Conductivity 138 W/(m・K)
Cu Copper
Melting Point 1084℃
Electrical Resistivity 1.7×10-8Ω・m
Thermal Conductivity 401 W/(m・K)