Research Article

Study on the Thermal Conductivity of Cu/Al Joints with Different Interfacial Microstructures

Table 3

Comparison of the calculated and experimental values of thermal conductivity.

Welding methodThe calculated interfacial thermal conductivity (W⋅m−2⋅K−1)Measured thermal conductivity (W⋅m−1⋅K−1)

DB1∼8 × 106 W m−2·K−1250∼280
FSW1∼25 × 107 W m−2·K−1230∼270
EW1∼35 × 105 W m−2·K−1150∼180