Abstract
The electrical resistivity of solid-state tungsten (W) and rhenium (Re) was experimentally measured at high pressures up to 5 GPa and temperatures up to ∼2273 K using a four-wire resistivity method. For both metals, the resistivity decreased as a function of pressure and increased as a function of temperature, in excellent agreement with 1 atm data. The Wiedemann–Franz law was used to calculate the total thermal conductivity from the resistivity. Thermal conductivity increased as a function of pressure for both metals, but decreased as a function of temperature for W and increased for Re. Values of thermal conductivity at high pressures and temperatures are consistent with most recommended previous experimental studies at 1 atm.
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