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Can I read Influence of nanocrystallization on passive behavior of Ni-based superalloy in acidic solutions on EtoBox?
Influence of nanocrystallization on passive behavior of Ni-based superalloy in acidic solutions by Li Liu; Ying Li; Fuhui Wang is a Engineering article available to read on EtoBox.
What is Influence of nanocrystallization on passive behavior of Ni-based superalloy in acidic solutions about?
The electrochemical corrosion behaviors of Ni-based superalloy nanocrystalline coating (NC) fabricated by a magnetron sputtering technique have been investigated in comparison with cast alloy in 0.25 M Na 2 SO 4 + 0.05 M H 2 SO 4 and 0.5 M NaCl + 0.05 M H 2 SO 4 solution, respectively. Compared with cast alloy, the NC coating had a little higher passive current density in Na 2 SO 4 acidic solution, while it had superior resistance to pitting corrosion in NaCl acidic solution. The semiconductive type of passive film of the NC coating was p-type in both acidic solutions, while, that of cast alloy changed from p-type in Na 2 SO 4 acidic solution to n-type in NaCl acidic solution. XPS results indicated that Cr 2 O 3 was the main component for the passive films of the NC coating as well as those of the cast alloy. No chloride ion was found in the passive film of NC coating while it was in the passive film of cast alloy. The chloride ions adsorbing on the surface of cast alloy incorporated into the passive film, which induced the formation of n-type oxide film. The nanocrystallization of Ni-base superalloy obviously weakened the adsorption of chloride ions on surface, which decreased the
Who reads Influence of nanocrystallization on passive behavior of Ni-based superalloy in acidic solutions?
It is typically read by researchers, students, and practitioners in Engineering.
- Author
- Li Liu; Ying Li; Fuhui Wang
- Publisher
- Elsevier Science; Elsevier ; Elsevier Ltd.; Elsevier BV (ISSN 0013-4686)
- Published
- 2007
- Language
- EN
- Field
- Engineering (Physical Sciences)