Order in iron − 30 at.% aluminium investigated by neutron scattering

Results of an extensive neutron scattering investigation of the states of order of Fe--29.3 at.% Al are reported. The temperature T ranged from 723-1373K. A model has been developed which leads to a uniform description of the states of order over the whole quoted temperature range. Throughout the te...

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Bibliographic Details
Published in:Scripta metallurgica et materialia 1991-08, Vol.25 (8), p.1857-1862
Main Authors: Hilfrich, K., Ebel, Th, Petry, W., Schärpf, O., Nembach, E.
Format: Article
Language:English
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Summary:Results of an extensive neutron scattering investigation of the states of order of Fe--29.3 at.% Al are reported. The temperature T ranged from 723-1373K. A model has been developed which leads to a uniform description of the states of order over the whole quoted temperature range. Throughout the temperature range, Fe--29.3 at.% Al is DO sub 3 -long range ordered. Below approx 770K, the antiphase domains are very large; above this temperature they are small. Up to approx 1373K, the DO sub 3 -long range order parameter is close to its theoretical maximum.
ISSN:0956-716X
DOI:10.1016/0956-716X(91)90317-T