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Tribocorrosion behavior and ions release of CoCrMo alloy coated with a TiAlVCN/CNx multilayer in simulated body fluid plus bovine serum albumin
University of Guadalajara, Mexico; Tecnol Monterrey, Mexico.
University of Guadalajara, Mexico.
University of Guadalajara, Mexico.
Tecnol Monterrey, Mexico.
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2015 (English)In: Tribology International, ISSN 0301-679X, E-ISSN 1879-2464, Vol. 81, 159-168 p.Article in journal (Refereed) Published
Abstract [en]

While the CoCrMo biomaterial is currently employed in artificial joints, there are medical concerns regarding its metal ion release and material loss caused by tribocorrosion. In this work, a TiAlVCN/CNx multilayer coating has been employed to improve the tribocorrosion-resistance of the CoCrMo substrate. During the tribocorrosion test, with the sample immersed in a simulated body fluid containing bovine serum albumin, open-circuit potential measurements showed more noble potential as well as a reduction of both the friction coefficient and wear-rate during the sliding phase. Inductive coupled plasma results demonstrate that the multilayer coating effectively blocked the emigration of metallic ions.

Place, publisher, year, edition, pages
Elsevier , 2015. Vol. 81, 159-168 p.
Keyword [en]
Tribocorrosion; CoCrMo; TiAlVCN/CNx multilayer; Bovine serum albumin
National Category
Physical Sciences
URN: urn:nbn:se:liu:diva-113043DOI: 10.1016/j.triboint.2014.08.011ISI: 000345469200017OAI: diva2:778357

Funding Agencies|CONACYT [FOMIX Jal-2010-10-149472]; Swedish Government Strategic Research Area in Materials Science on Functional Materials at Linkoping University (Faculty Grant SFO-Mat-LiU) [2009-00971]; Tecnologico de Monterrey research seed fund

Available from: 2015-01-09 Created: 2015-01-08 Last updated: 2015-02-25

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