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Rubbing Surface Reactivity of Alloy 718 Under Controlled Oxidation Conditions

[+] Author Affiliations
A. S. Adamou, J. Denape, J.-Y. Paris

LGP ENI-INPT, Tarbes, France

E. Andrieu

CIRIMAT ENSIACET, Toulouse, France

Paper No. WTC2005-63278, pp. 61-62; 2 pages
doi:10.1115/WTC2005-63278
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

The high interdependence between the local thermo-mechanical stresses and physicochemical reactivity of the surfaces constitutes a recurring difficulty in formalizing dynamic models of interfacial processes [1,2]. The presence of oxide layer on the surface of metal and alloy is usually reported to reduce friction and wear by preventing direct metallic junctions. The atmosphere and temperature control the surface reactivity, and the protective ability of oxide layers depends on their morphology and chemistry, which determine their resistance [3]. The structuring and the organization of these phenomena into a hierarchy, require test procedures in which the thermal and environmental parameters are precisely controlled in order to define their impact on overall tribological behavior.

Copyright © 2005 by ASME
Topics: Alloys , oxidation

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