The silica-titania layer deposited by sol-gel method on the AISI 316L for contact with blood

• Autorzy: Walke W. , Paszenda Z. , Karasiński P. , Basiaga M.
• Języki publikacji: EN

Abstrakty

EN

Purpose: The study analyses influence of surface modification of Si:Ti on physical and chemical properties of samples made from AISI 316L steel in solution simulating blood-vascular system. Design/methodology/approach: Sol-gel layer was selected on the ground of data from literature. TEOS and TET made the ground for initial solution. Application of the layer on the surface of samples made of AISI 316L steel was preceded by mechanical working - grinding (Ra = 0.40 μm) and mechanical polishing (Ra = 0.12 μm). Corrosion resistance tests were performed on the ground of registered anodic polarisation curves and Stern method. In order to evaluate phenomena that take place on the surface of the tested alloys EIS was also applied. The tests were performed in artificial blood plasma at the temperature of T = 37.0±1°C and pH = 7.0±0.2. Findings: Obtained results on the ground of voltammetric and impedance tests showed differentiated electrochemical properties of AISI 316L steel depending on the type of surface treatment. Practical implications: Suggested subject matter of the article supports development of entrepreneurship sector due to high social demand for this type of technologies and relatively easy way of putting obtained laboratory tests data into inductrial and clinical practice. Originality/value: Suggestion of proper variants of surface treatment with application of sol-gel method is meaningful in future perspective and it shall promote determination of technological conditions with precise parameters of creation of oxide layers on metallic implants made of AISI 316L steel that come into contact with blood.

Słowa kluczowe

EN

AISI 316L; sol-gel method; corrosion resistance; EIS

PL

stal kwasoodporna; odporność na korozję; metoda zol-żel; EIS

• Wydawca: International OCSCO World Press
• Czasopismo: Journal of Achievements in Materials and Manufacturing Engineering
• Rocznik: 2013
• Tom: Vol. 56, nr 2
• Strony: 75--82
• Opis fizyczny: Bibliogr. 18 poz., rys., tab.

Twórcy

autor

Walke W.

• Department of Biomaterials and Medical Engineering Devices, Faculty of Biomedical Engineering, Silesian University of Technology, ul. Gen. de Gaulle’a 66, 41-800 Zabrze, Poland

autor

Paszenda Z.

• Department of Biomaterials and Medical Engineering Devices, Faculty of Biomedical Engineering, Silesian University of Technology, ul. Gen. de Gaulle’a 66, 41-800 Zabrze, Poland

autor

Karasiński P.

• Department of Optoelectronics, Faculty of Electrical Engineering, Silesian University of Technology, ul. Akademicka 8, 44-100 Gliwice, Poland

autor

Basiaga M.

• Department of Biomaterials and Medical Engineering Devices, Faculty of Biomedical Engineering, Silesian University of Technology, ul. Gen. de Gaulle’a 66, 41-800 Zabrze, Poland

Bibliografia

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