Surface Structure of NiTi Alloy Passivated by Autoclaving

Henryk Morawiec; Tomasz Goryczka; Józef Lelątko; Zdzisław Lekston; Antoni Winiarski; Edward Rówiński; F. Stergioudis

doi:10.4028/www.scientific.net/MSF.636-637.971

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HomeMaterials Science ForumMaterials Science Forum Vols. 636-637Surface Structure of NiTi Alloy Passivated by...

Surface Structure of NiTi Alloy Passivated by Autoclaving

Abstract:

Sterilization of the NiTi alloy in boiling water or steam causes passivation, which results in an amorphous 3.5 nm thick TiO2 layer on the surface. Between the surface and the matrix a transition layer of Ni2O3 and NiO was observed, using the X-ray photoelectron spectroscopy. Differences in sterilization conditions affect the amount of metallic nickel on the surface.

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Periodical:

Materials Science Forum (Volumes 636-637)

Pages:

971-976

DOI:

https://doi.org/10.4028/www.scientific.net/MSF.636-637.971

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Online since:

January 2010

Authors:

Henryk Morawiec, Tomasz Goryczka, Józef Lelątko, Zdzisław Lekston, Antoni Winiarski, Edward Rówiński, F. Stergioudis

Keywords:

Corrosion Resistance, Layer Structure, NiTi Shape Memory Alloy (SMA), Passivation

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