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The grain size of nanocrystalline nickel containing 280ppm S produced by electrodeposition has been established by electron microscopy to be ∼50nm. The growth of these grains has been studied using a range of isothermal and isochronal heat treatments. Initially grain coarsening was observed to occur at temperatures in the range of 300–500°C, with an activation energy of 72.9±13.4kJmol−1. At temperatures...
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