Milling conditions effect on structure and magnetic properties of mechanically alloyed Fe–10% Ni and Fe–20% Ni alloys

Structure, magnetic and Mössbauer studies of mechanically alloyed Fe–20wt.% Ni powders

“…These values are based on the kinematic studies of the G5 ball mill developed by Abdellaoui and Gaffet [20]. According to the (Ω/ω) rotation speed choice, the shock mode process (SMP) prevails when Ω ω, while the friction mode process (FMP) is stronger when Ω ω (more details are reported in [21]). Twenty-millimeter diameter steel balls and 50 ml volume vials were used.…”

“…The mean value of the lattice parameter increases slightly from a = 0.2866 ± 0.0003 to 0.2870 ± 0.0003 nm for the shock power equal to 8.83 W and 0.2871 ± 0.0003 nm for 96 h milling time. Such a minor change of the lattice parameter was due to the small atomic size dif- ference between the Ni and Fe atoms [17,21]. Generally, the increase of the lattice parameters has been attributed to the solid solution formation preceding the amorphous phase formation as the milling time increases [23].…”

Mechanical alloying of Ni3Fe in the presence of Ni3Fe nanocrystalline germs

“…This technique allows to produce nonequilibrium structures/microstructures including amorphous alloys, extended solid solutions, metastable crystalline phases, nanocrystalline materials and quasi crystals [4][5][6][7][8][9][10]. Mechanical alloying involves a lot of parameters and process variables that influence the kinetic and mechanism of alloying process and the quality of the alloying products [11][12][13][14]. An analysis of the parameters that influence the powder contamination during * Corresponding author at: Materials Sciences and Technology Department, mechanical alloying/milling was performed by an exhaustive selection of the factors that influence contamination, followed by their classification [15].…”

Mechanical Alloying as an Effective Way to Achieve Superior Properties of Fe–Co–Ni Binder Alloy

“…Despite the dissolution of dopants, the lattice parameter of the α-Fe phase changed negligibly ( Table 1). The reason for this is that the percentage of the dissolved components was small during the initial stage of MA and because of the insignificant difference between the atomic radii of Fe, Co, and Ni (126, 125, and 124 pm, respectively) [29]. After the duration of MA had been increased (10-15 min), Co was completely dissolved in the α-Fe phase, and the dissolution of Ni in α-Fe was more intense.…”