期刊
INTERMETALLICS
卷 14, 期 4, 页码 396-405出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.intermet.2005.07.005
关键词
iron aluminides (based on FeAl); magnetic properties; order/disorder transformations; mechanical alloying and milling
A metastable, nanostructured, disordered bee Fe-40 at% A1 solid solution was produced from elemental powders using a high-energy ball mill. The effects of milling and subsequent annealing on (1) the formation of disordered nanocrystals, (2) changes in the lattice parameter and grain size, and (3) the disorder-to-order, ferromagnetic-to-paramagnetic transformations were studied by examination of both the microstructure and magnetic measurements. Oxidation and contamination of the powder during processing may play a significant role in the thermal ordering. (c) 2005 Published by Elsevier Ltd.
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