Tribocorrosion behavior of beta titanium biomedical alloys in phosphate buffer saline solution

Journal of the Mechanical Behavior of Biomedical Materials
V Guiñón PinaA Igual Muñoz

Abstract

The tribo-electrochemical behavior of different β titanium alloys for biomedical applications sintered by powder metallurgy has been investigated. Different mechanical, electrochemical and optical techniques were used to study the influence of the chemical composition, Sn content, and the electrochemical conditions on the tribocorrosion behavior of those alloys Ti30NbxSn alloys (where "x" is the weight percentage of Sn content, 2% and 4%). Sn content increases the active and passive dissolution rate of the titanium alloys, thus increasing the mechanically activated corrosion under tribocorrosion conditions. It also increases the mechanical wear of the alloy. Prevailing electrochemical conditions between -1 and 2V influences the wear accelerated corrosion by increasing it with the applied potential and slightly increases the mechanical wear of Ti30Nb4Sn. Wear accelerated corrosion can be predicted by existing models as a function of electrochemical and mechanical parameters of the titanium alloys.

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Sep 22, 2010·Philosophical Transactions. Series A, Mathematical, Physical, and Engineering Sciences·Michael Nosonovsky, Bharat Bhushan

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Citations

Feb 13, 2016·Journal of the Mechanical Behavior of Biomedical Materials·F ToptanA Guedes
Aug 16, 2016·Materials Science & Engineering. C, Materials for Biological Applications·Noah G G MuruveRandall T Irvin
Jul 28, 2017·Journal of Biomedical Materials Research. Part B, Applied Biomaterials·D FariaG Miranda
Aug 8, 2019·Journal of Materials Science. Materials in Medicine·Xiaofan ChengKechao Zhou
Mar 28, 2019·Journal of Biomedical Materials Research. Part a·Yidi ZhangYanmin Zhou

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