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Nanocrystalline Phases During Mechanically Activated Processing of an Iron (Fe) Aluminum (40 at% Al) Alloy
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2014 (Engelska)Ingår i: Materials and Manufacturing Processes, ISSN 1042-6914, E-ISSN 1532-2475, Vol. 29, nr 7, s. 864-869Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Influence of processing conditions on in situ generation of nanocrystalline Fe(3)AlCx and Fe-Al phases during mechanically activated annealing and sintering of Fe-40 at% Al alloy was evaluated. Fe(3)AlCx, Fe3Al and ordered FeAl phases evolved even at a low temperature of 400 degrees C. The presence of carbide phase was attributed to the free carbon originating from the organic process control agent while its formation at low temperature was correlated to fast diffusion of C in the lattice assisted by the nanocrystalline structure coupled with the presence of thermal vacancies in the Fe-40 at% Al alloy. The as-sintered composite showed improved mechanical properties.

Ort, förlag, år, upplaga, sidor
2014. Vol. 29, nr 7, s. 864-869
Nyckelord [en]
Intermetallics, Iron-aluminide, Milling, Nanocomposite, Nanocrystalline, Sintering, C SYSTEM, STRUCTURAL EVOLUTION, THERMAL VACANCIES, AT.PERCENT AL, MICROSTRUCTURE, BEHAVIOR, CARBON, Engineering, Manufacturing, Materials Science, Multidisciplinary
Identifikatorer
URN: urn:nbn:se:hv:diva-8413OAI: oai:DiVA.org:hv-8413DiVA, id: diva2:860144
Tillgänglig från: 2015-10-10 Skapad: 2015-10-08 Senast uppdaterad: 2017-12-01Bibliografiskt granskad

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Joshi, S. V.

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