Room temperature deformation modes in DO3-structured Fe-34Al and Fe-28Al-6Cr

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Titre du document / Document title

Room temperature deformation modes in DO₃-structured Fe-34Al and Fe-28Al-6Cr

Auteur(s) / Author(s)

MUNROE P. R.⁽¹⁾ ; BAKER I. ;

Affiliation(s) du ou des auteurs / Author(s) Affiliation(s)

⁽¹⁾Univ. New South Wales, school materials sci. eng., Kensington NSW 2033, AUSTRALIE

Résumé / Abstract

The dislocation substructures in the D03-structured alloys, Fe-34Al and Fe-28Al-6Cr, were examined by transmission electron microscopy following room temperature compression. In both alloys a small number of a <001> dislocations, produced through the energetically favourable interaction of two pairs of antiphase boundary-coupled a/2<111> dislocations, was observed. It was also found that, relative to the binary alloy, one effect of the chromium addition was to increase the B2 character of the alloy, but conversely to decrease the DO₃ character. These results are rationalized on the basis of the atom site location of the chromium atoms in the DO₃ structure

Revue / Journal Title

Journal of materials science ISSN 0022-2461 CODEN JMTSAS

Source / Source

1993, vol. 28, n^o9, pp. 2299-2303 (21 ref.)

Langue / Language

Anglais

Editeur / Publisher

Springer, Heidelberg, ALLEMAGNE (1966) (Revue)

Localisation / Location

INIST-CNRS, Cote INIST : 12733, 35400003604098.0050

Nº notice refdoc (ud4) : 4816054