DOIAbstract
The thermal couductivity of the Pu-- Fe eutectic mixture (9.5 at.% Fe) was measured in both the solid and liquid states by the use of a guarded cylinder apparatus which operated in a high vacuum. The apparatus was designed as an absolute measuring devlce and was checked with a known material. The thermal conductivity values obtained varled from 0.034 at 220 C to 0.0412 at 400 C in the solid state and from 0.045 at 420 C to 0.045 at 520 C in the molten state, with the units of cm sec C. The curves appear to be linear with positive temperature coefficients for both phases. Reare estimated to be accurate to less than the J-57 engin 5%. (auth
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