<p>The Ti–20Nb–20Zr β‑rich titanium alloy for medical application, obtained by electron beam casting, was studied. The Ti–20Nb–20Zr alloy had better anti-corrosion properties (higher corrosion potential and lower corrosion current) than widely used alloys such as commercially pure Ti, Ti–6Al–4V and Ti–6Al–3Nb–2Zr alloys according to electrochemical studies in simulated body fluid (Hank’s solution). The main corrosion mechanisms of the studied alloys in Hank’s solution were considered, and the influence of the phase-structural state on their electrochemical behavior was assessed.</p>

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Structure, modulus of elasticity, and corrosion resistance of Ti–20Nb–20Zr alloy

  • S. M. Lavrys,
  • S. L. Schwab,
  • M. -O. M. Danyliak,
  • M. M. Voron,
  • R. V. Proskurnyak,
  • I. M. Pohrelyuk

摘要

The Ti–20Nb–20Zr β‑rich titanium alloy for medical application, obtained by electron beam casting, was studied. The Ti–20Nb–20Zr alloy had better anti-corrosion properties (higher corrosion potential and lower corrosion current) than widely used alloys such as commercially pure Ti, Ti–6Al–4V and Ti–6Al–3Nb–2Zr alloys according to electrochemical studies in simulated body fluid (Hank’s solution). The main corrosion mechanisms of the studied alloys in Hank’s solution were considered, and the influence of the phase-structural state on their electrochemical behavior was assessed.