CobaltMaghrebV1, Main, Exploration, bibRecord, 000946

Fe-NiAl based alloys: Phase transformations and microstructure due to cobalt addition

Identifieur interne : 000946 ( Main/Exploration ); précédent : 000945; suivant : 000947

Fe-NiAl based alloys: Phase transformations and microstructure due to cobalt addition

Auteurs : G. Marcon [France] ; S. Lay [France] ; B. Djerdjare [Algérie] ; S. Lebaili [Algérie]

Source :

Journal de physique. IV [ 1155-4339 ] ; 2005.

RBID : Pascal:05-0186799

Descripteurs français

Pascal (Inist)
- Transformation phase, Microstructure, Composition chimique, Haute température, Phase alpha, Démixtion, Transition magnétique, Elément alliage, Aluminium alliage, Nickel alliage, Fer alliage, Cobalt alliage, 8130H.

English descriptors

KwdEn :
- Alloying elements, Alpha phase, Aluminium alloys, Chemical composition, Cobalt alloys, Demixtion, High temperature, Iron alloys, Magnetic transitions, Microstructure, Nickel alloys, Phase transformations.

Abstract

Structural characterisation of (Fe, Co)-NiAl alloys containing 0-50 at. % Co was performed. In alloys containing more than 15 at. % Co a high-temperature bcc α phase is partly transformed, when cooled, to a y phase, which at lower temperature is allotropically transformed into a α_γ phase. The untransformed α phase, according to Co content, is then transformed by a demixtion process into two α₁ and α₂ phases. The main cobalt addition effects on the Fe-NiAl based alloy are: the appearance of the y phase, a decrease of demixtion temperature, an increase of Curie temperature and a microstructure refining.

Affiliations:

Links toward previous steps (curation, corpus...)

to stream PascalFrancis, to step Corpus: 000191
to stream PascalFrancis, to step Curation: 000104
to stream PascalFrancis, to step Checkpoint: 000187
to stream Main, to step Merge: 000957
to stream Main, to step Curation: 000946

Le document en format XML

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<term>Demixtion</term>
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<front><div type="abstract" xml:lang="en">Structural characterisation of (Fe, Co)-NiAl alloys containing 0-50 at. % Co was performed. In alloys containing more than 15 at. % Co a high-temperature bcc α phase is partly transformed, when cooled, to a y phase, which at lower temperature is allotropically transformed into a α<sub>γ</sub>
 phase. The untransformed α phase, according to Co content, is then transformed by a demixtion process into two α<sub>1</sub>
 and α<sub>2</sub>
 phases. The main cobalt addition effects on the Fe-NiAl based alloy are: the appearance of the y phase, a decrease of demixtion temperature, an increase of Curie temperature and a microstructure refining.</div>
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Fe-NiAl based alloys: Phase transformations and microstructure due to cobalt addition

Fe-NiAl based alloys: Phase transformations and microstructure due to cobalt addition

Source :

Descripteurs français

English descriptors

Abstract

Links toward previous steps (curation, corpus...)

Le document en format XML

Pour manipuler ce document sous Unix (Dilib)

Pour mettre un lien sur cette page dans le réseau Wicri