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THE THERMAL CONDUCTIVITY, THERMOELECTRIC POWER, AND THE ELECTRICAL RESISTIVITY OF STOICHIOMETRIC TINI IN THE 3 TO 300 K TEMPERATURE RANGE,
NAVAL ORDNANCE LAB WHITE OAK MD
The thermal conductivity, thermoelectric power, and the electrical resistivity of some stoichiometric TiNi samples and alloys containing Cu and excess Ni have been measured in order to explore the lattice component of the thermal conductivity. It has been found that the low temperature phonon mean-free-path is independent of temperature, depends upon solute species, and increases with solute concentration. In addition the ideal component of the electrical resistivity shows the T to the 2nd power dependence below 100 K found for the element Mn and alloys with this same electron number. Values of the fermi energy, effective mass, and the relative valence of the solutes are derived. Finally, one of the alloyed samples exhibits phase changes which are believed related to those seen in the pure material at temperatures above 300 K. Author
Report on Physical Properties of Materials.
Distribution: No Foreign without approval of Naval Submarine Medical Center, Groton, Conn.