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NiAl Behavior at Plasma Spray Deposition

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  • URLhttps://db.koreascholar.com/Article/Detail/3932
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한국분말재료학회(구 한국분말야금학회) (Korean Powder Metallurgy Institute)
초록

Behavior of stoichiometric and near-stoichiometric NiAl at plasma spray deposition, without and with a bond coat, for coating layers realization on a low alloyed steel substrate, has been investigated. In all variants, NiAl particle melting and subsequent welding at the impact with substrate were observed, forming a relatively compact and adherent coating layer with the NiAl stability maintaining - all assuring the coating layer oxidation and corrosion resistance. Good results from these points of view, also validated through corrosion tests, were obtained for 45:55 Ni:Al composition without a bond coat but adopting an Ar protective surrounding of plasma jet.

저자
  • Orban
  • Radu L.
  • Lucaci
  • Mariana
  • Rosso
  • Mario
  • Grande
  • Marco Actis