Paper Title:
NiAl Oxidation and Corrosion Resistant Coatings Obtained by Thermal Spraying
  Abstract

There are investigated the possibilities to avoid or at least to reduce the Al2O3 scales formation on NiAl powder particles at its plasma spray deposition on steel substrates. The optimum processing parameters and the necessity to surround the plasma jet by an inert gas have been established. In appropriate processing conditions, the obtained coating layer is formed by flattened particles, welded together and to the substrate, proving their melting during spraying. It is dense and adherent, consisting of NiAl with only small Al2O3 inclusions, proving the NiAl stability preserving without decomposition or a notable oxidation, as premises of its desired functionality achievement.

  Info
Periodical
Edited by
Ionel Chicinaş and Traian Canta
Pages
273-276
DOI
10.4028/www.scientific.net/AMR.23.273
Citation
R. L. Orban, M. Lucaci, M. Rosso, M. A. Grande, "NiAl Oxidation and Corrosion Resistant Coatings Obtained by Thermal Spraying", Advanced Materials Research, Vol. 23, pp. 273-276, 2007
Online since
October 2007
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