Orientation dependence of corrosion resistance of a near-alpha Ti35 alloy applied in nuclear industry

Jianping Xu, Chengze Liu, Huan Li, Wenjun Wu, Jinping Wu, Bin Zhao, Yusheng Zhang, Yongqing Zhao, Lian Zhou

Research output: Contribution to journalArticlepeer-review

18 Scopus citations

Abstract

The orientation dependence of corrosion resistances of Ti35 alloy in 6 mol/L boiling nitric acid solution was quantitatively investigated through designing specific volume fraction of crystalline planes. Electrochemical and immersion corrosion tests showed that prismatic texture of Ti35 alloy with {101¯0} and {112¯0} planes exhibited excellent corrosion resistance compared with that of basal texture of {0001} planes. The corrosion rate and corrosion current density of Ti35 alloy with {101¯0} and {112¯0} planes were 0.049 mm/y and 53.45 µA·cm−2, correspondingly. A formula was proposed to evaluate the correlation between corrosion thermodynamics of Ti35 alloy and its crystallographic characteristics.

Original languageEnglish
Article number153873
JournalJournal of Nuclear Materials
Volume568
DOIs
StatePublished - Sep 2022
Externally publishedYes

Keywords

  • Corrosion resistance
  • Crystallographic orientation
  • Nitric acid
  • Reprocessing
  • Ti35 alloy

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