Soft magnetic properties and microstructure of Fe84−Nb2B14Cu nanocrystalline alloys

Effect of Co addition on the magnetic properties and microstructure of FeNbBCu nanocrystalline alloys

“…5(b). The results estimated from XRD are consistent with this; the grain size of Co-containing alloys are slightly larger than that of the base alloy [24]. From the above analysis, we can see that Co addition to the base alloy broadens the temperature intervals between the two crystallization temperatures (ΔT x ¼T x2 À T x1 ), favors the precipitation of α-(Fe, Co), and inhibits the precipitation of other compounds.…”

“…Previously, Fe 83 Nb 2 B 14 Cu 1 nanocrystalline alloys with high saturation magnetization and low cost were developed [24]. It was found that the average grain size first increases and then decreases to a minimum between the crystallization temperatures, where the optimal microstructure appears.…”

Effect of Al addition on the glass forming ability, thermal stability and soft magnetic properties of (Fe0.83P0.16Cu0.01)100−xAlx nanocrystalline alloys

“…As H C ∝ D 6 (D is the average grain size) H C reduces sharply with the decrease of grain size [24] . Al [13,15] and Cu [4,25,26] contribute to maximizing density of crystal nuclei in the amorphous substrate and thus to retarding the grain growth of α-Fe phase, which promotes the formation of an ultrafine grain structure. One also notes that the annealing temperature at which the smallest coercivity can be obtained increases with the increase of Al content.…”

Effect of Cu Addition on Soft Magnetic Properties of Fe–Zr–Si Amorphous Alloy

“…2, the crystallization onset temperature related to the first crystallization step (T x1 ) was only observed because the second crystallization onset temperature (T x2 ) was higher than 690°C. Recently, Xue et al 13) reported that an increase of Cu content simultaneously decreased T x1 and increased T x2 . Their experimental results of the Cu effect on variations in crystallization onset temperature correspond with the experimental results of present work.…”