Localised instability of titanium during its erosion-corrosion in simulated acidic hydrometallurgical slurries

Yu Liu, Akram Alfantazi, Rebecca Filardo Schaller, Edouard Asselin

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Electrochemical techniques were used to investigate the erosion-corrosion of titanium in simulated acidic mineral leaching slurries. Erosion-corrosion of titanium was caused by solid particle impingement. Electrochemical noise revealed that solid particle impacts resulted in localised fracture of the passive film, and erosion-corrosion of titanium proceeded in the form of current transients. As conditions become more abrasive, erosion-corrosion is an increasing threat to titanium equipment exposed to acidic slurries.

Original languageBritish English
Article number108816
JournalCorrosion Science
Volume174
DOIs
StatePublished - Sep 2020

Keywords

  • A. Titanium
  • B. Electrochemical noise
  • C. Erosion-corrosion
  • C. Film localised fracture

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