Nanocomposite Ti-B-N coatings synthesized by reactive arc evaporation

Jörg Neidhardt, Z. Czigány, Bernhard Sartory, R. Tessadri, Michael O'Sullivan, Christian Mitterer

Research output: Contribution to journalArticle

50 Citations (Scopus)

Abstract

Nanocomposite Ti-B-N coatings have been prepared by reactive arc evaporation from Ti-B compound targets. The highly ionized flux of film-forming species was utilized to synthesize a promising nanocrystalline metastable supersaturated solid solution of boron in TiN at lower nitrogen fractions. The combined results from elastic recoil detection, X-ray photoelectron spectroscopy, X-ray diffraction, high-resolution transmission electron microscopy and selected area electron diffraction indicate that the additional nitrogen incorporated at higher partial pressures triggers the formation of a separate amorphous BN matrix phase surrounding the 6-8 nm sized face-centered cubic crystallites. A maximum in the hardness is obtained for the strained TiBN crystallites surrounded by a small fraction of boron synthesized at a nitrogen fraction of 0.1, while the formation of the amorphous BN phase leads to lower values.

Original languageEnglish
Pages (from-to)4193-4200
Number of pages8
JournalActa Materialia
Volume54
Issue number16
DOIs
Publication statusPublished - Sep 2006

Fingerprint

Nanocomposites
Evaporation
Boron
Nitrogen
Crystallites
Coatings
High resolution transmission electron microscopy
Electron diffraction
Partial pressure
Solid solutions
X ray photoelectron spectroscopy
Hardness
Fluxes
X ray diffraction

Keywords

  • Nanocomposite
  • Reactive arc evaporation
  • TEM
  • Thin films
  • XPS

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Materials Science(all)
  • Metals and Alloys

Cite this

Neidhardt, J., Czigány, Z., Sartory, B., Tessadri, R., O'Sullivan, M., & Mitterer, C. (2006). Nanocomposite Ti-B-N coatings synthesized by reactive arc evaporation. Acta Materialia, 54(16), 4193-4200. https://doi.org/10.1016/j.actamat.2006.05.014

Nanocomposite Ti-B-N coatings synthesized by reactive arc evaporation. / Neidhardt, Jörg; Czigány, Z.; Sartory, Bernhard; Tessadri, R.; O'Sullivan, Michael; Mitterer, Christian.

In: Acta Materialia, Vol. 54, No. 16, 09.2006, p. 4193-4200.

Research output: Contribution to journalArticle

Neidhardt, J, Czigány, Z, Sartory, B, Tessadri, R, O'Sullivan, M & Mitterer, C 2006, 'Nanocomposite Ti-B-N coatings synthesized by reactive arc evaporation', Acta Materialia, vol. 54, no. 16, pp. 4193-4200. https://doi.org/10.1016/j.actamat.2006.05.014
Neidhardt, Jörg ; Czigány, Z. ; Sartory, Bernhard ; Tessadri, R. ; O'Sullivan, Michael ; Mitterer, Christian. / Nanocomposite Ti-B-N coatings synthesized by reactive arc evaporation. In: Acta Materialia. 2006 ; Vol. 54, No. 16. pp. 4193-4200.
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