Impact of Sterilisation and Strain Hardening in Drawing Process on Resistance to Electrochemical Corrosion of Wires Intended in Cardiology

• Autorzy: Przondziono J. , Hadasik E. , Walke W. , Mendala J.

Identyfikatory

DOI

10.1515/amm-2016-0046

• Języki publikacji: EN

Abstrakty

EN

The study presents results of tests of impact of work hardening in cold drawing process, surface treatment and sterilisation on resistance to electrochemical corrosion of wires made of stainless steel X2CrNiMo 17-12-2 intended for cardiology. Potentiodynamic tests were performed on the ground of registered anodic polarisation curves in artificial plasma solution. Static uniaxial tension test made the ground for determination of strength characteristics of wires and the flow curve. Functions presenting the change of polarisation resistance according to strain applied in drawing process were selected. Test results show deterioration of corrosion properties of wires with work hardening. Surface modification of passivated surface caused increase of resistance of stainless steel wires to electrochemical corrosion, whereas sterilisation with pressurised water steam deteriorated that resistance.

Słowa kluczowe

EN

wires made of stainless steel; steel X2CrNiMo17-12-2; flow stress and flow curve; electrochemical corrosion in artificial plasma solution; sterilisation

• 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. 1
• Strony: 249--252
• Opis fizyczny: Bibliogr. 19 poz., rys., tab., wykr., wzory

Twórcy

autor

Przondziono J.

• Silesian University of Technology, Faculty of Materials Science and Metallurgy, 8 Krasinskiego Str., 40-019 Katowice, Poland

autor

Hadasik E.

• Silesian University of Technology, Faculty of Materials Science and Metallurgy, 8 Krasinskiego Str., 40-019 Katowice, Poland

autor

Walke W.

• Silesian University of Technology, Faculty of Biomedical Engineering, 66 De Gaulle’a Str., 41-800 Zabrze, Poland

autor

Mendala J.

• Silesian University of Technology, Faculty of Materials Science and Metallurgy, 8 Krasinskiego Str., 40-019 Katowice, Poland

Bibliografia

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Uwagi

PL

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę