期刊
MATERIALS
卷 10, 期 8, 页码 -出版社
MDPI AG
DOI: 10.3390/ma10080842
关键词
micro-abrasion; wear; tantalum carbide; hafnium carbide; gold
类别
资金
- Vicerrectoria de investigaciones de la Universidad Militar Nueva Granada [ING-2374-2017]
- COLCIENCIAS [621-2015]
The object of this work was the deposition of a Ta-Hf-C thin film with a gold interlayer on stainless steel, via the physical vapor deposition (PVD) technique, in order to evaluate the properties of different systems subjected to micro-abrasive wear phenomena generated by alumina particles in Ringer's solution. The surface characterization was performed using a scanning electron microscope (SEM) and atomic force microscope (AFM). The crystallographic phases exhibited for each coating were obtained by X-ray diffraction (XRD). As a consequence of modifying the composition of Ta-Hf there was evidence of an improvement in the micro-abrasive wear resistance and, for each system, the wear constants that confirm the enhancement of the surface were calculated. Likewise, these surfaces can be bioactive, generating an alternative to improve the biological fixation of the implants, therefore, the coatings of TaC-HfC/Au contribute in the development of the new generation of orthopedic implants.
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