Abstract

Thermoelectric power (TEP) measurements are used to study recovery, recrystallization, and other microstructural changes during annealing of cold worked Zr-1wt.%Nb and Zircaloy-4 tubing at temperatures from 300 to 1100 °C. The measured value of thermoelectric power is very sensitive to microstructural evolution in zirconium alloys, and TEP measurements correlate well with both microstructural changes, as seen using optical microscopy, and microhardness measurements.

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