Study of the tribological performance of Ti6Al4V textured with pyramidal dimples by electro discharge machining

  1. Salguero, J 1
  2. Piñero, D 1
  3. Del Sol, I 1
  4. Vazquez, J M 1
  1. 1 Universidad de Cádiz
    info

    Universidad de Cádiz

    Cádiz, España

    ROR https://ror.org/04mxxkb11

Revista:
IOP Conference Series: Materials Science and Engineering

ISSN: 1757-8981,  1757-899X

Año de publicación: 2021

Volumen: 1193

Número: 1

Tipo: Artículo

DOI: 10.1088/1757-899X/1193/1/012023 GOOGLE SCHOLAR lock_openAcceso abierto editor

Otras publicaciones en: IOP Conference Series: Materials Science and Engineering

Resumen

Surface texturing has demonstrated to be a useful technique for improving thetribological performance of surfaces in contact. In particular, in this research it has been appliedto the Ti6Al4V titanium alloy, with poor tribological behaviour, by creating different texturingdensities with pyramidal geometries. Additionally, these geometries have been obtained throughsinking electro-discharge machining processes, scarcely addressed in the scientific literature. Indry sliding conditions, the results obtained show an improvement of about 65% in the coefficientof friction, while in lubricated contact, the improvement in the lubricant retention capacity resultsin the formation of an abrasive paste formed by the lubricant and the wear debris, which worsenstribological behaviour.

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