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An in situ X-ray diffraction experiment was set up to study the microstructural evolution of a nanostructured oxide dispersion-strengthened ferritic steel produced by high-energy ball milling. Dislocation density and grain growth between 20 and 1100°C were quantified by coupling-modified Williamson–Hall and Warren–Averbach methods. During the early stages of heating, recovery through the rearrangement...
The influence of an applied current on the recovery and recrystallization of pure Cu has been investigated. By comparing samples heated by the Joule effect with those heated in a salt bath, it is shown than recovery and recrystallization are greatly accelerated by the current. At low temperatures, where only recovery occurs during conventional thermal treatments, fully recrystallized microstructures...
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