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L12 Ordering in Disordered NiAIFe Alloys

Published online by Cambridge University Press:  26 February 2011

A.R Yavari ,
M.D. Baro ,
G. Fillion ,
S. Surinach ,
S. Gialanella ,
M.T. Clavaguera-Mora ,
P. Desriè  and
R.W. Cahn
A.R Yavari
Affiliation:
LTPCM-CNRS UA29Institut National Polytechnique de Grenoble, BP 75, Domaine Universitaire 38402 St Martin d'Hères, France.
M.D. Baro
Affiliation:
Dept de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
G. Fillion
Affiliation:
Laboratoire Louis Néel,CNRS, BP 166 X, 38042 Grenoble Cedex, France
S. Surinach
Affiliation:
Dept de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
S. Gialanella
Affiliation:
Dept of Materials Science and Metallurgy, University of Cambridge, Pembroke St., Cambridge CB2 3Q2, United Kingdom
M.T. Clavaguera-Mora
Affiliation:
Dept de Fisica, Universitat Autonoma de Barcelona, 08193 Bellaterra, Spain
P. Desriè
Affiliation:
LTPCM-CNRS UA29Institut National Polytechnique de Grenoble, BP 75, Domaine Universitaire 38402 St Martin d'Hères, France.
R.W. Cahn
Affiliation:
Dept of Materials Science and Metallurgy, University of Cambridge, Pembroke St., Cambridge CB2 3Q2, United Kingdom
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Abstract:

Ordering of the disordered state (obtained by cold-working or by meltspinning) of L12 type Ni,AI,Fe alloys has been monitored by calorimetric, magnetic and X-ray diffraction measurements .It is found that the magnetic moment per atom of the Ni,Al,Fe alloys in the γ-disordered state is about half of that of the LI2 -γ'state. Magnetic measurements such as ours constitute a new tool for studyingthe γ→γ' transition below the Curie temperature.

Type
Research Article
Information
MRS Online Proceedings Library (OPL) , Volume 213: Symposium Q – High-Temperature Ordered Intermetallic Alloys IV , 1990 , 81
Copyright
Copyright © Materials Research Society 1991

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References

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