Anodization formation of through-hole nanoporous layers on Ti x Nb 1-x (x = 0.3-0.7) alloys in nitric acid electrolytes

Fei Hu, Xin Lin, Shengli Zhu, Xianjin Yang, Zhenduo Cui

Research output: Contribution to journalArticlepeer-review

17 Scopus citations

Abstract

Self-organized, through-hole, and ordered nanoporous array layers are obtained by anodizing Ti x Nb 1-x (x = 0.3-0.7) alloys in nitric acid electrolytes by a rapid, direct, and exothermal method. The TiNb oxide nanoporous films consist of straight and uniform pores of diameters 10-30 nm, and the back side has uniform pores of diameters 20-60 nm. The pore spacing increases with increasing Nb content and nitric acid concentration. The process is remarkably reliable and reproducible.

Original languageEnglish
Pages (from-to)3260-3263
Number of pages4
JournalApplied Surface Science
Volume258
Issue number7
DOIs
StatePublished - 15 Jan 2012

Keywords

  • Fluoride-free
  • Nanoporous array
  • Rapid anodization
  • TiNb

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