Corrosion Properties of Anodically Oxidised and Alkaline Treated Titanium Nitride

Agnieszka Brojanowska; Konrad Kowalczyk; Dominika Sadłowska; Jerzy Robert Sobiecki

doi:10.4028/www.scientific.net/SSP.227.467

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Corrosion Properties of Anodically Oxidised and Alkaline Treated Titanium Nitride

Abstract:

The article compares the corrosion properties of oxide layers formed on titanium nitride (obtained by means of glow-discharge nitriding) using anodic and plasma oxidation. The corrosion properties are analysed in relation to the surface morphology and microstructure of the layers. The oxidation processes were carried out in phosphoric acid (V) (25wt%) containing Ca²⁺ calcium ions. In this environment, oxide layers were produced using two anode oxidation potentials: 5 V and 9.5 V and two plasma oxidation potentials of 200 V and 600 V. The layers were then subjected to alkaline treatment in concentrated NaOH. The concentration of acid and calcium ions contained in the oxidation solution affected the surface morphology and corrosion properties of the oxide layers obtained after alkaline treatment.

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Periodical:

Solid State Phenomena (Volume 227)

Pages:

467-470

DOI:

https://doi.org/10.4028/www.scientific.net/SSP.227.467

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Online since:

January 2015

Authors:

Agnieszka Brojanowska*, Konrad Kowalczyk, Dominika Sadłowska, Jerzy Robert Sobiecki

Keywords:

Alkaline Treatment, Anodic Oxidation, Hybrid Treatment, Plasma Electrolytic Oxidation, Titanium Oxide

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