Synthesis of sub-surface oxide layers by hybrid metal-gas co-implantation into metals

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • I. G. Brown
  • F. Liu
  • O. R. Monteiro
  • P. J. Evans
  • N. Dytlewski
  • A. Oztarhan
  • S. G. Corcoran
  • D. Crowson

Detail(s)

Original languageEnglish
Pages (from-to)293-298
Journal / PublicationSurface and Coatings Technology
Volume103-104
Issue number1
Publication statusPublished - May 1998
Externally publishedYes

Conference

TitleProceedings of the 1997 10th International Conference on Surface Modification of Metals by Ion Beams, SMMIB-97
CityGaltinburg, TN, USA
Period21 - 26 September 1997

Abstract

Sub-surface oxide layers can be synthesized by implantation of mixed metal-gas ion beams formed by modified vacuum arc ion source. The particle current fractions of the metal and gas ion components in the beam can be controlled from 100% metallic up to approximately 80% gaseous depending on the ion source operational parameters. We have carried out some exploratory investigations of surfaces modified by co-implantation in this way, particularly of stainless steel ion implantaed withi Al + O and (separately) Zr + O. Due to the ubiquitous surface layer of native oxide present on the steel substrate, additional oxygen can be recoil-implanted, and the resultant implantation can be different from that expected - the effect of the energetic oxygen ion beam is clouded by the recoil implanted oxygen. To help elucidate this complicated scenario, we have carried out a number of metal-gas co-implantation experiments in various kinds of materials. Here, we briefly describe the ion source modifications and the co-implantation process, and report on the state of our understanding of the overall sub-surface layer structure and the tribological benefits of this kind of surface modification.

Citation Format(s)

Synthesis of sub-surface oxide layers by hybrid metal-gas co-implantation into metals. / Brown, I. G.; Liu, F.; Monteiro, O. R.; Yu, K. M.; Evans, P. J.; Dytlewski, N.; Oztarhan, A.; Corcoran, S. G.; Crowson, D.

In: Surface and Coatings Technology, Vol. 103-104, No. 1, 05.1998, p. 293-298.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review