The influence of electrostimulation with the use of direct and alternating current on the corrosion of Cr-Ni-Mo steel implants.
This paper presents results of researches of influence of different methods of electrostimulation of a bone union on the corrosion of implants made of AISI 316 L steel with the passive and passive-carbon layer deposited on their surface. The electrostimulation was carrying out for 28 days in Tyrode's physiological solution of temperature 36,6 +/- 10C. The pH was varying in the 7,6 - 8,6. A direct, pulsating and sinusoidal current was used for the electrostimulation. Mass decrements and corrosion damages of implants were estimated for individual methods of electrostimulation. Furthermore the paper presents results of infiltration of corrosion products. The corrosion products come into being as the result of stimulation of union bone with the use direct current and invasive methods. A ratio of the corrosion product infiltration was estimated with use of X-ray microanalysis.
Szewczenko
J
J
Zakład Inzynierii Materiałów Biomedycznych, Wydział Mechaniczno-Technologiczny, Politechnika Slaska, Gliwce.
Marciniak
J
J