Title :
Combustion-driven compaction of nanostructured Sm-Co and Fe mixtures
Author :
Sachan, Madhur ; Majetich, Sara A.
Author_Institution :
Dept. of Phys., Carnegie Mellon Univ., Pittsburgh, PA, USA
Abstract :
Sm-Co and Fe mixture nanostructured magnets were prepared by compaction of powder precursors. We describe an inert atmosphere process using combustion-driven compaction which significantly reduces the problem of loss in coercivity during compaction. It is possible to retain some degree of crystallographic alignment with this compaction process.
Keywords :
coercive force; ferromagnetic materials; magnetic hysteresis; magnetic particles; nanocomposites; 30 to 50 nm; Co-CoNiFe2O4; TEM; alcohol reduction; coercivity; exchange coupling; hysteresis loop; magnetic properties; nanocomposite magnet powders; nanoparticles; particle size; saturation magnetization; single-phase material; Annealing; Coercive force; Compaction; Crystallography; Hip; Iron; Magnetic materials; Magnets; Powders; Pressing; Nanocomposites; samarium cobalt;
Journal_Title :
Magnetics, IEEE Transactions on
DOI :
10.1109/TMAG.2005.854948
