Electrochemical characteristics of a cobalt alloy with a protective passive layer

• Autorzy: Reimann Ł.

Identyfikatory

DOI

10.1515/amm-2016-0212

• Języki publikacji: EN

Abstrakty

EN

The aim of this study was to assess the quality of the passive layer formed on the surface of a CoCr alloy used on dentures to see the effect on resistance to pitting corrosion and electrochemical parameters. Studies were performed using on potentiodynamic tests and electrochemical impedance spectroscopy. The passive layer was formed spontaneously and by electrochemical method on samples after casting and after simulation porcelain firing on metal. Samples of the passivation electrochemical characterized by the improvement in corrosion resistance. Prolonging the passivation time from one to 24 hours and increasing the potential value from 0 to 200 mV improved the quality of the passive layer and all characteristics of electrochemical parameters.

Słowa kluczowe

EN

electrochemical characteristics; cobalt alloy; protective passive layer

• Wydawca: Institute of Metallurgy and Materials Science of Polish Academy of Sciences ; Committee of Materials Engineering and Metallurgy of Polish Academy of Sciences
• Czasopismo: Archives of Metallurgy and Materials
• Rocznik: 2016
• Tom: Vol. 61, iss. 3
• Strony: 1283--1290
• Opis fizyczny: Bibliogr. 25 poz., rys., tab., wykr.

Twórcy

autor

Reimann Ł.

• Silesian University of Technology Institute of Engineering Materials and Biomaterials, Faculty of Mechanical Engineering, 18A Konarskiego str., 44-100 Gliwice, Poland

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Uwagi

EN

This publication was financed by the Ministry of Science and Higher Education of Poland as the statutory financial grant of the Faculty of Mechanical Engineering SUT.