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Electrodeposited Ni–Cr composites integrate Cr particles (mean size 14μm) with a Ni matrix. Oxidation at 900°C shows that although the as-deposited composite Ni–34Cr (by wt.%) forms a NiO scale, increasing the Cr content to 47 or annealing pre-treatment in vacuum at 700°C results in the formation of a Cr 2 O 3 scale. The result also shows that adding CeO 2 particles into the...
An electrodeposited alumina-forming Ni–Al nanocomposite having a nanocrystalline Ni matrix dispersing Al nanoparticles was annealed in vacuum at 600°C, leading to coarsened Ni grains that were doped with a certain amount of Al atoms diffused from the nanoparticles. Oxidation in air at 1000°C indicated that the annealing decreased the oxidation of the nanocomposite, due to a promotion in the formation...
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