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Strengthening Mechanisms for Fe-Al-based Alloys with Increased Creep Resistance at High Temperatures

Published online by Cambridge University Press:  26 February 2011

Martin Palm ,
Ronny Krein ,
Srdjan Milenkovic ,
Gerhard Sauthoff ,
Doty Risanti ,
Charles Stallybrass  and
André Schneider
Martin Palm
Affiliation:
palm@mpie.de, Max-Planck-Institut für Eisenforschung GmbH, Materials Technology, Max-Planck-Str. 1, Düsseldorf, D-40237, Germany
Ronny Krein
Affiliation:
r.krein@mpie.de, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Str. 1, Düsseldorf, D-40237, Germany
Srdjan Milenkovic
Affiliation:
s.milenkovic@mpie.de, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Str. 1, Düsseldorf, D-40237, Germany
Gerhard Sauthoff
Affiliation:
g.sauthoff@mpie.de, Max-Planck-Institut für Eisenforschung GmbH, Max-Planck-Str. 1, Düsseldorf, D-40237, Germany
Doty Risanti
Affiliation:
d.risanti@nimr.nl, now at: Fundamentals of Advanced Materials, Faculty of Aerospace Engineering, TU Delft, Kluyverweg 1, Delft, 2629 HS, Netherlands
Charles Stallybrass
Affiliation:
C.Stallybrass@du.szmf.de, now at: Salzgitter Mannesmann Forschung GmbH, Ehinger Str. 200, Duisburg, D-47259, Germany
André Schneider
Affiliation:
a.schneider@du.szmf.de, now at: Salzgitter Mannesmann Forschung GmbH, Ehinger Str. 200, Duisburg, D-47259, Germany
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Abstract

Lack of strength, in particular creep resistance, has been considered as the principal shortcoming of Fe-Al-based alloys for long which prevented their use for structural applications at high temperatures. Only recently it has been realized that various strengthening mechanisms are available by which Fe-Al-based alloys can be sufficiently strengthened for applications at high temperatures. From the recent studies at the Max-Planck-Institut für Eisenforschung GmbH (MPIE) examples of applying different strengthening mechanisms are presented by which Fe-Al-based alloys with considerable creep resistance have been obtained.

Keywords

FeAlstrength
Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 980: Symposium II – Advanced Intermetallic-Based Alloys , 2006 , 0980-II01-01
Copyright
Copyright © Materials Research Society 2007

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