[Kovove materialy - Metallic materials]
    Mon - April 22, 2024 - 04:53 No. of hits : 1743017 ISSN 1338-4252 (online) ISSN 0023-432X (printed)
© Institute of Materials and Machine Mechanics, Slovak Academy of Sciences, Bratislava, Slovak Republic

VOLUME 51 (2013), Issue 4

Influence of thermal and electrochemical oxidation on the mechanical and corrosion properties of titanium alloy
ALAR, V., ALAR, é., JAKOVLJEVI∆, S., RUNJE, B.
vol. 51 (2013), no. 4, pp. 251 - 256
DOI: 10.4149/km_2013_4_251

Abstract
In this paper, thermal oxidation and electrochemical anodizing processes were used to produce titanium oxide films on titanium alloy and to examine the effects of oxidation on mechanical and corrosion properties. The surface morphology oxide films, thickness and chemical composition of the surfaces were evaluated using scanning electron microscopy and energy dispersive spectroscopy. The microhardness of titanium oxide films prepared at different experimental conditions is maintained between 8.2 GPa and 9.6 GPa, measured by ultra tester. The microhardness increased with temperature and voltage. The values of roughness parameters Rz, Rt and Ra indicate a somewhat less roughness of the anodized samples. The values of the roughness parameter Rk are nearly identical for both groups of samples. The cyclic polarization tests showed that none of the tested samples were susceptible to localized corrosion. The oxide films produced by anodic oxidation on titanium alloy showed a higher

Key words
oxidation, titanium alloy, roughness, corrosion

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Full title of this journal is bilingual: Kovovť materiŠly - Metallic Materials.
The official abbreviation in accordance with JCR ISI is Kovove Mater.


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