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Preliminary investigation on the bio-tribocorrosion behavior of porous nanostructured β-type titanium based biomedical alloys

  • The bio-tribocorrosion behavior of newly developed near β-types Ti-15Nb and Ti-15Mo alloys was investigated in Phosphate-Buffered Saline (PBS) under different loads. Open-Circuit Potential (OCP), friction coefficient, wear volume and wear rate were evaluated. The results revealed that Ti-15Nb alloy exhibited lower wear rate, lower friction coefficient and better corrosion resistance during tribocorrosion than the Ti-15Mo alloy. This can be attributed to the diffusion of Nb which increases the repassivation rate (formation of a protective layer) in the Ti-15Nb alloy. In contrast Ti-15Mo shows a significantly higher rate of chemical reaction.

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Author: Mamoun Fellah, Naouel Hezil, Mohammed Abdul Samad, Mohamed Zine Touhami, Alex Montagne, Alain Iost, Aleksei ObrosovORCiD, Sabine WeißORCiDGND
URL:https://www.sciencedirect.com/science/article/pii/S0167577X19313862
DOI:https://doi.org/10.1016/j.matlet.2019.126755
ISSN:0167-577X
Title of the source (English):Materials Letters
Document Type:Scientific journal article peer-reviewed
Language:English
Year of publication:2019
Tag:Bio-tribocorrosion; Biomaterials; Corrosion; Ti-15Mo; Ti-15Nb
Volume/Year:257
Number of pages:4
Article number:126755
Faculty/Chair:Fakultät 3 Maschinenbau, Elektro- und Energiesysteme / FG Metallkunde und Werkstofftechnik
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