Fabrication Process for Nanorod Array Structure by Using Aluminization and Internal Oxidation of Nickel

Dung Thi Mai Do; Katsumi Uemura; Makoto Nanko

doi:10.4028/www.scientific.net/MSF.620-622.521

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Fabrication Process for Nanorod Array Structure by Using Aluminization and Internal Oxidation of Nickel

Abstract:

An aluminization process with controlled Al activity to form surface Ni(Al) zone was applied to fabricate ceramic nanorod array structures by using internal oxidation. The pack cementation with NaCl, Ni3Al and Al2O3 was adapted as the aluminization process to form surface Ni(Al) zone. With increasing Ni3Al concentration in pack powder mixture, Al content of surface Ni(Al) zone was increased. Nanorod array structures can be successfully obtained on Ni components with designed shape.