[PDF] Top 20 Production of Nanocrystalline (Fe, Co) Si B P Cu Alloy with Excellent Soft Magnetic Properties for Commercial Applications

... the Co-free alloy ribbons with different Si content, even with a thickness of about 21 µm, a weak sharp Bragg peak superimposed on a broad diffraction peak at 2ª = 45° is ...of Si content ... See full document

... inductor applications require improved magnet performance, including simultaneous high magnetization and low core losses at ever higher operation ...polycrystalline soft magnet alloys are mature ... See full document

... desired soft magnetic properties [2]. In addition to it, Fe-Ni alloys possess relatively low saturation induction levels of 15 kG as compared to steel having a saturation of ...of Fe-Ni ... See full document

... anisotropies such as magneto-elastic or annealing-induced anisotropy and coexistence of crystalline and amorphous phase are not considered. Recently, Bitoh et al. 14) reported that two-phase, containing the ... See full document

... CoFeBSi soft-magnetic alloys, in their metallic glass ...and magnetic properties of two different fam- ilies of CoFeBSi-based soft magnetic alloys, prepared by arc-melting and ... See full document

... Dynamic B-H curves and core loss at different fre- quencies were measured using MS-02 B-H ANALYZER measuring complex (MSTATOR, Novgorodskaya oblast, Russia); the functional scheme of this complex is shown ... See full document

... corresponding nanocrystalline alloy ...the nanocrystalline alloy rod is considerably smaller than that (80000) for the ribbon ...reversed magnetic field resulting from the rod ... See full document

... amorphous Co based alloy has been introduced as magnetic sensors ...alloys Fe-Si-B-Cu-Nb, also known as FINEMET, had been developed in 1988 by Yoshizawa et al ...showed ... See full document

... Figure 1 shows the XRD patterns of the different synthesized catalysts calcined at 350 °C in range of 2θ = 10 - 80º. The peaks at 2θ = 31.75°, 34.53°, 36.06°, 47.77°, 50.66°, 62.73° and 67.94º are related to ZnO ... See full document

... Al, Co and Fe ions. The ionic radii of the Co 2+ , Fe 2+ and Fe 3+ ions are 56, 52 and 28% greater than the Al 3+ ion ...r B , L A , L B , A–O and B–O may be ... See full document

... as Fe-Si-B is obtained by first using an extrapolation method to estimate the free energy using the energy terms for the same phase in the constituent binary systems (Fe-Si, ... See full document

... for Fe, Co, and Ni nanoparticles, respectively ...the Fe-B amorphous nanopar- ticles and Fe-Ni-B amorphous nanoparticles should pos- sess single domain ...The magnetic ... See full document

... as Fe, Cr, Nb, Ti etc can be incorporated into the pure aluminium matrix in order to improve the properties at elevated temperatures ...of Fe in Al at room temperature can be increased 150 times ... See full document

... the Fe-Cu-B system, we consider the mixing of the Fe-B and Cu pseudo- binary system, because boron, which is an interstitial element, is only dissolved in the Fe-rich ... See full document

... Soft magnetic nanocrystalline materials are distinguished by low coercivity and high magnetic permeability magnitudes which are provided by a nanocrystalline, structure ...an ... See full document

... and Cu-rich layers are shown in ...Co­Si­ B-rich layer, and the white contrast layer (B) is the Cu-rich ...crystalline Cu phase appears as a white spherical phase dispersed in the ... See full document

... ingots were obtained by induction melting with Fe (99.9%), B (99.5%), and Nb (99.9%), and then RE element, Y (99.9%) were added to the pre-alloy ingot by the arc-melting method. And then, the surface ... See full document

... sample has a smooth surface with good metallic luster and no distinct ruggedness due to the precipitation of a crystalline phase is seen on the outer surface. Figure 6 shows an X-ray diffraction pattern of the cast ... See full document

... on Co-based amorphous ribbons using an artificial neural network (ANN) approach based on a self-organizing feature map ...of Fe and Co, ribbon width and magnetizing ... See full document

... interest as a superior hard magnetic material. 3,4) Nanocrystal- line structure is obtained by several thermal processes such as rapid solidification and thermal crystallization of an amor- phous phase. 5,6) A ... See full document