Synthesis and characterization of high-energy ball milled Ni–15%Fe–5%Mo

Structural, microstructural and magnetic properties of amorphous/nanocrystalline Ni63Fe13Mo4Nb20 powders prepared by mechanical alloying

“…Region I: the increase in lattice strain has a microstructure source and is due to the size mismatch between the constituents. Region II: the increase in the lattice strain relates to the increasing the grain boundary fraction, mechanical deformation and dislocation density as a result of severe plastic deformation [22]. Because the bonding in amorphous alloys is of primarily metallic character, strain can be readily accommodated at the atomic level through the changes in the neighborhood and the atomic bonds can be broken and reformed on the atomic scale without substantial concern for, e.g.…”

Structural and magnetic properties of nanocrystalline NiFeCuMo powders produced by wet mechanical alloying

“…In the last years, several studies devoted to Ni rich Ni-Fe powders [8][9][10][11][12] and Supermalloy powders [13][14][15][16][17][18][19] obtained by mechanical alloying were reported. Different mechanical alloying routes and a large variety of parameters have been used to obtain nanocrystalline Ni-Fe-(X) alloys.…”

“…[20]. The coercivity of Supermalloy powders was found to be dependent on the grain size and the domain wall width was determined to be about 15 nm [15]. A minimum in the spontaneous magnetization of Supermalloy vs. milling time was found and it shows that different processes are involved in the alloy formation [16,17].…”

Studies on the bulk nanocrystalline Ni–Fe–Co alloy prepared by mechanical alloying–sintering–hot rolling route

“…These alloys also have higher resistivity which makes them suitable for higher frequency applications. Attempts have been made to synthesize nanocrystalline Ni-Fe alloy powder around the Permalloy composition by mechanical alloying of elemental powders resulting in the formation of disordered nanocrystalline Ni 3 Fe as the major phase [1][2][3][4][5]. Nanocrystalline 80Ni-20Fe (wt.%) alloys synthesized by mechanical alloying have shown improved magnetic properties as compared to conventional 80Ni Permalloy.…”