Selective pore growth on lamellar Ti-41 at.%Al alloy

Hiroaki Tsuchiya, Toshifumi Akaki, Yuichiro Koizumi, Yoritoshi Minamino, Shinji Fujimoto

Research output: Contribution to journalArticlepeer-review

9 Citations (Scopus)

Abstract

The present work reports the formation of nanoporous and/or nanotubular structures on lamellar Ti-41 at.%Al alloy consisting of α2- Ti3Al and γ-TiAl with different lamellar widths by anodization. Surface morphology of the alloy strongly depends on anodization potential and the phases. Remarkable finding is microstructure-driven selective pore growth - when the lamellar width is larger than the achievable pore diameter at a certain potential, pores can be grown whereas no pores are grown when the width is smaller than the achievable diameter.

Original languageEnglish
Pages (from-to)117-120
Number of pages4
JournalElectrochemistry Communications
Volume26
Issue number1
DOIs
Publication statusPublished - 2013 Jan 1

Keywords

  • Anodization
  • Lamellar structure
  • Selective pore growth
  • Titanium aluminides

ASJC Scopus subject areas

  • Electrochemistry

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