Abstract
Using an optical pyrometer method, the thermal conductivity of tungsten has been found to vary linearly from 1.170 watts/(cm2 K°/cm) at 1100°K to 1.026 watts/(cm2 K°/cm) at 2000°K. Similarly, the thermal conductivity of molybdenum has been found to vary linearly from 1.083 watts/(cm2 K°/cm) at 1200°K to 0.666 watt/(cm2 K°/cm) at 1900°K. Spectrographic analysis indicated only traces of impurities in samples of the two metals used in the investigation.
© 1941 Optical Society of America
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