Corrosion Behavior of Porous Ti-24Nb-4Zr Alloy in Different Simulated Body Fluids

Yu Xuan Li; Zhen Duo Cui; Xian Jin Yang; Sheng Li Zhu

doi:10.4028/www.scientific.net/AMR.399-401.1577

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 399-401Corrosion Behavior of Porous Ti-24Nb-4Zr Alloy in...

Corrosion Behavior of Porous Ti-24Nb-4Zr Alloy in Different Simulated Body Fluids

Abstract:

Porous Ti alloys are novel biomedical candidates for surgical implant application. The corrosion resistance of porous Ti-24Nb-4Zr alloy with 41.54% porosity prepared from conventional sintering was investigated by means of open circuit potential, potentiodynamic polarization and electrochemical impedance spectroscopy techniques in 0.9% NaCl physiological and Hank’s solutions with different pH values (2.4, 5.4, 7.4) at 310 K, respectively. Meaning solid Ti-24Nb-4Zr alloy was chosen as a reference. Porous Ti-24Nb-4Zr alloy shows wide passive regions based on anodic polarization curves. These observations suggest that porous Ti-24Nb-4Zr alloy owns excellent corrosion resistance. Therefore, they are potential for biomedical applications.

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Periodical:

Advanced Materials Research (Volumes 399-401)

Pages:

1577-1581

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.399-401.1577

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Online since:

November 2011

Authors:

Yu Xuan Li, Zhen Duo Cui, Xian Jin Yang, Sheng Li Zhu

Keywords:

Corrosion, Passivation, Polarization, Porous Alloy, Ti-Nb-Zr Alloy

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