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Surface characterisation of Ti-15Mo alloy modified by a PEO process in various suspensions

  • University of Silesia in Katowice
  • AGH University of Krakow
  • Institute of Nuclear Physics PAN
  • Institute of Metal Physics, Russian Academy of Sciences-Ural Division
  • Ural Federal University
  • Silesian University of Technology

Research output: Contribution to journalArticlepeer-review

33 Citations (Scopus)

Abstract

This paper reports on the surface modification of a Ti-15Mo alloy by plasma electrolytic oxidation (PEO). This process was carried out in solutions of 0.1 M Ca(H2PO2)2 with various concentrations of tricalcium phosphate (Ca3(PO4)2), wollastonite (CaSiO3), or silica (SiO2) using voltages of up to 350 V. The surface microstructure (SEM, cross-section of coating), roughness and chemical composition (energy-dispersive X-ray spectroscopy, thin layer X-ray diffraction, X-ray photoelectron spectroscopy and Raman spectroscopy) of the porous oxide layers were investigated. The concentration of powder added to the solution changed the chemical composition and morphology of PEO coatings on the Ti-15Mo alloy surface. Calcium and phosphorous compounds were detected in the coatings formed on the substrate by the PEO process at 300 V.

Original languageEnglish
Pages (from-to)259-272
Number of pages14
JournalMaterials Science and Engineering C
Volume39
Issue number1
DOIs
Publication statusPublished - 1 Jun 2014

Keywords

  • Plasma electrolytic oxidation
  • Silica
  • Surface modification
  • TCP
  • Vanadium-free titanium alloy
  • Wollastonite

ASJC Scopus subject areas

  • General Medicine

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