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Revista mexicana de física

versión impresa ISSN 0035-001X

Rev. mex. fis. vol.60 no.3 México may./jun. 2014

 

Research

 

An approximation of tribological behavior of Ti1-xAlxN coatings against animal bone in ringer's solution

 

A. Esguerra-Arcea, N. A. Arteagaa, C. Amayab, L. Ipaza, N. Alba de Sánchezc, and Y. Aguilara

 

a Grupo de investigación en Tribología-Polímeros-Metalurgia de Polvos y Residuos Sólidos, TPMR, Universidad del Valle, Calle 13 No. 100-00, Cali, Colombia, e-mail: adriana.esguerra.arce@gmail.com

b Grupo de investigación en Desarrollo de Materiales y Productos, GIDEMP, Centro ASTIN, SENA, Calle 52 No.2 Bis-15, Cali, Colombia,

c Grupo de investigación Ciencia e Ingeniería de Materiales, GCIM, Universidad Autónoma de Occidente, Calle 25 No.115-85, Cali, Colombia.

 

Received 22 November 2013
accepted 18 March 2014

 

Abstract

Due to their excellent properties, Ti-Al-N coatings have become attractive for biomedical applications. In this paper, friction and wear properties of Ti1-xAlxN films having various aluminum contents, x, have been studied. Adhesion was measured by the scratch test technique; friction was carried out by a pin-on-disk tribometer using an animal bone-pin as counterpart and Ringer's solution as simulated body fluid; and wear mechanisms were identified by SEM and EDS. It was found that the coating with x = 0.41 exhibited the highest COF, conserves its integrity as a coating, and causes the lowest wear on the bone in Ringer's solution.

Keywords: Sliding wear; PVD coatings; corrosion wear; biological aspects.

 

PACS: 81.15.-z; 81.40.PQ

 

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