Diffusion paths in the NiCrAl ternary diagram for formation and degradation of oxidation-resistant coatings

Coatings were produced on ten Ni-Cr-Al alloys by aluminizing. The alloys contained 5-27.5 Cr, 3-27.5 at. per cent Al, with the sum of Cr and Al varying from 10-40 at. per cent. Coated alloys were subjected to 500 hr cyclic oxidation to 1100 C. Resulting interactions were analyzed in terms of diffusi...

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Veröffentlicht in:Thin solid films 1977-09, Vol.45 (2), p.376-376
Hauptverfasser: Jackson, M.R., Rairden, J.R.
Format: Artikel
Sprache:eng
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Zusammenfassung:Coatings were produced on ten Ni-Cr-Al alloys by aluminizing. The alloys contained 5-27.5 Cr, 3-27.5 at. per cent Al, with the sum of Cr and Al varying from 10-40 at. per cent. Coated alloys were subjected to 500 hr cyclic oxidation to 1100 C. Resulting interactions were analyzed in terms of diffusion paths within the Ni-Cr-Al diagram. The implications of these experiments to the aluminization of Ni-based superalloys and to duplex coatings are discussed.--EPAA/AF.
ISSN:0040-6090
1879-2731
DOI:10.1016/0040-6090(77)90272-3