| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 1614509 | Journal of Alloys and Compounds | 2013 | 4 Pages |
Powders of two-phase B2/L21 Fe30Ni20Mn20Al30 (in at.%) were mechanically milled, and both as-milled powders and powders annealed at 823 K were examined using a combination of X-ray diffractometry, scanning electron microscopy and transmission electron microscopy. The as-milled powder consisted of B2 (ordered b.c.c.) phases, whereas after a short anneal at 823 K β-Mn-structured precipitates were present and recrystallized B2 grains were observed in a L21 matrix. The longer the milling time, the finer the resulting powder size and the shorter the annealing time before precipitation occurred. The latter behavior is believed to be associated with nucleation occurring on dislocations formed during milling.
► Powders of two-phase B2/L21 Fe30Ni20Mn20Al30 (in at.%) were mechanically milled. ► The microstructures of both as-milled and annealed powders are characterized. ► Recrystallizatin occurred in the powders after a short anneal at 823 K. ► Mechanical milling accelerates the nucleation of β-Mn-structured precipitates.
