Corrosion resistance of pure titanium(Grade 2)and Ti-Pd alloy(Grade 7)was studied using the electrochemical techniques of potentiodynamic measurements and electrochemical impedance spectroscopy(EIS).Measurements were ...Corrosion resistance of pure titanium(Grade 2)and Ti-Pd alloy(Grade 7)was studied using the electrochemical techniques of potentiodynamic measurements and electrochemical impedance spectroscopy(EIS).Measurements were performed at the temperature of 36.6℃in two solutions:PBS solution with pH of 7.4 simulating conditions of healthy human body,and PBS solution with pH of 5.2 and with the addition of hydrogen peroxide(0.015 mol/L)simulating the inflammatory state.It is found that,Ti Grade 7 can be a good candidate as a material for orthopedic implant application,because its corrosion resistance in the PBS solution containing H2O2 is better(lower corrosion current densities)than that of pure titanium.展开更多
基金supported by the Polish Ministry of Science and Higher Education under grant No.N50719032/2954
摘要Corrosion resistance of pure titanium(Grade 2)and Ti-Pd alloy(Grade 7)was studied using the electrochemical techniques of potentiodynamic measurements and electrochemical impedance spectroscopy(EIS).Measurements were performed at the temperature of 36.6℃in two solutions:PBS solution with pH of 7.4 simulating conditions of healthy human body,and PBS solution with pH of 5.2 and with the addition of hydrogen peroxide(0.015 mol/L)simulating the inflammatory state.It is found that,Ti Grade 7 can be a good candidate as a material for orthopedic implant application,because its corrosion resistance in the PBS solution containing H2O2 is better(lower corrosion current densities)than that of pure titanium.