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Abstract The corrosion properties of the nanostructured Al 84 Ni 7 Gd 6 Co 3 alloy produced by hot pressing of the metallic glassy powder, have been investigated. The results… Click to show full abstract
Abstract The corrosion properties of the nanostructured Al 84 Ni 7 Gd 6 Co 3 alloy produced by hot pressing of the metallic glassy powder, have been investigated. The results reveal that the nanostructure Al 84 Ni 7 Gd 6 Co 3 alloy shows different corrosion behavior compared to the pure aluminum, because of the presence of high volume fraction of Al-based intermetallic compounds. The corrosion resistance of Al 84 Ni 7 Gd 6 Co 3 alloy is significantly influenced by the amount of aluminum and porosity in the inter-particle area. The main corrosion mechanisms observed in the Al 84 Ni 7 Gd 6 Co 3 alloy are found to be the pitting corrosion (corrosion of aluminum in the consolidated particles) and crevice corrosion (corrosion of aluminum in the inter-particle area).
Journal Title: Journal of Alloys and Compounds
Year Published: 2017
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