Electrochemical behavior of Co-Cr-W-Ni alloy with passive layer

• Autorzy: Walke W. , Paszenda Z. , Tyrlik-Held J.
• Języki publikacji: EN

Abstrakty

EN

In the paper the results of corrosion resistance and chemical composition investigations of passive layer formed on the im-plants surface made of Co-Cr-W-Ni alloy used in interventional cardiology have been presented. Corrosion resistance has been tested in the solution simulating environment of human blood at temperature 37+-1°C. Particularly, the investigations of crevice and pitting corrosion resistance have been realized with taking into account the implantation technique of vascular stents. Chemical composition investigations of the passive layer have been carried out with the use of X-ray Photoelectron Spectroscopy (XPS). The results of preliminary tests pointed out on the usefulness of surface treatment of stents made of Co-Cr-W-Ni alloy.

Słowa kluczowe

EN

vascular stents; passive layer; corrosion resistance; X-ray photoelectron spectroscopy

• Wydawca: Politechnika Gdańska
• Czasopismo: Advances in Materials Science
• Rocznik: 2007
• Tom: Vol. 7, nr 2(12)
• Strony: 179--188
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Walke W.

autor

Paszenda Z.

autor

Tyrlik-Held J.

• Silesian University of Technology, Institute of Engineering Materials and Biomaterials, Gliwice, Poland

Bibliografia

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