Structural Analysis, Tribological and Hardness of Titanium Grade 2 Anodized, Using HCI and Ethylene Glycol as Electrolytic Solution

One of the main difficulties present in the materials manufacturing is the selection of substances that generate less polluting residues as well as effective in the synthesis process. In this study, we obtained TiO2 through electrochemical anodizing, using an acid easy to neutralize (hydrochloric ac...

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Bibliographic Details
Published in:ECS transactions 2019-10, Vol.94 (1), p.239-250
Main Authors: Hernández-Montiel, Samuel, García-González, Leandro, Araujo Pérez, Daniel Jesús, Hernádez-Torres, Julián, Zamora Peredo, Luis, Maytorena-Sánchez, Alan, Morales-Hernández, Jorge
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Language:English
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Summary:One of the main difficulties present in the materials manufacturing is the selection of substances that generate less polluting residues as well as effective in the synthesis process. In this study, we obtained TiO2 through electrochemical anodizing, using an acid easy to neutralize (hydrochloric acid), ethylene glycol and distilled water. The results showed the presence of nanostructures over the anodized surface observed by Scanning Electron Microscopy, with anatase and rutile phases, identified with Raman Spectroscopy. The presence of a nanostructured material on the surface of titanium, improved the value of Vickers Micro-hardness from 240 HV to 400 HV. It was possible to obtain a reduction of the friction coefficient from 0.8 to 0.2 as minimum value. The presence of a nanostructured layer of TiO2, with a mixture of anatase and rutile, markedly improved the mechanical properties of the titanium sheet.
ISSN:1938-5862
1938-6737
1938-6737
1938-5862
DOI:10.1149/09401.0239ecst