Effect of aluminum concentration on friction and wear properties of titanium aluminum nitride films

H. Ohnuma, N. Nihira, A. Mitsuo, K. Toyoda, K. Kubota, T. Aizawa

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

It is well known that the hard thin ceramic films are utilized to industrial applications such as cutting tools, molding dies and sliding parts, because of its effect of reducing the wear. Recently, the demand of TiAlN film is expanding, because it has a high oxidation resistance at elevated temperature as well as good wear resistance. In this paper, friction and wear properties of TiAlN films having various concentration ratios of Ti/Al have been studied. The films were deposited by a cathodic arc ion plating method on cemented carbide substrate with a thickness of approximately 3 μm. Composition of the deposited film was evaluated by energy dispersive X-ray spectroscopy. Crystal structure of the deposited film was characterized by X-ray diffraction. Hardness of the films was measured by a nano-indentation tester. Friction and wear tests were carried out by a pin-on-disk tribometer at 300, 473, 673 and 873 K. Compositions of the films deposited from cathode materials that have atomic ratios (Ti:Al) of 50:50, 34:66 and 25:75 in TiAl alloys were Ti0.6Al0.4N, Ti0.42Al0.58N and Ti0.3Al0.7N, respectively. The crystal structure of Ti0.6 Al0.4N Ti0.42Al0.58N and Ti0.3Al0.7N were found to be a B1, B4 + B1 and B4, respectively. Nano-hardness decreased with increasing Al content in the films. There is no correlation between friction coefficient of each film and test temperature. The width of wear track for each film decreased above the temperature of 673 K. Ti0.6 Al0.4N film was worn less than the other films at 873 K.

Original languageEnglish
Pages (from-to)623-626
Number of pages4
JournalSurface and Coatings Technology
Volume177-178
DOIs
Publication statusPublished - 2004 Jan 30
Externally publishedYes

Fingerprint

Aluminum nitride
titanium nitrides
aluminum nitrides
Titanium
Aluminum
friction
Wear of materials
Friction
aluminum
aluminum nitride
hardness
Crystal structure
Nanohardness
tribometers
ion plating
crystal structure
wear tests
oxidation resistance
Oxidation resistance
Cutting tools

Keywords

  • Cathodic arc ion plating
  • Friction coefficient
  • Titanium aluminum nitride
  • Wear

ASJC Scopus subject areas

  • Surfaces, Coatings and Films
  • Condensed Matter Physics
  • Surfaces and Interfaces

Cite this

Effect of aluminum concentration on friction and wear properties of titanium aluminum nitride films. / Ohnuma, H.; Nihira, N.; Mitsuo, A.; Toyoda, K.; Kubota, K.; Aizawa, T.

In: Surface and Coatings Technology, Vol. 177-178, 30.01.2004, p. 623-626.

Research output: Contribution to journalArticle

Ohnuma, H. ; Nihira, N. ; Mitsuo, A. ; Toyoda, K. ; Kubota, K. ; Aizawa, T. / Effect of aluminum concentration on friction and wear properties of titanium aluminum nitride films. In: Surface and Coatings Technology. 2004 ; Vol. 177-178. pp. 623-626.
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