[PDF] Top 20 Thermodynamic Assessment of Fe B P Cu Nanocrystalline Soft Magnetic Alloys for Their Crystallizations from Amorphous Phase

... for P and B over the recommended composition limits of elements of TCFE7 database, 11) although it is said that some calculations will still give good results for alloys with some alloying ...for ... See full document

... annealing amorphous alloys under an applied magnetic field can enhance the fraction of nanocrystalline phase formed and induce a strong ...of thermodynamic equilibrium by the ... See full document

... The Fe/Co ratio of one to one was chosen to minimize the con- tribution of magnetocrystalline anisotropy to the hysteretic losses of the ...crystalline phase is never reached due to the polymorphic α -(BCC) ... See full document

... of Fe with Co in Fe-Si-B-P-Cu alloy increase the AFA of the alloy, and the critical thickness for the formation of single amorphous phase is about 26 µm for the Fe ... See full document

... crystalline Fe-Si-B-Nb-Cu alloy, 5) this model has been employed widely to explain the origin of the magnetic softness in various nanocrystalline ...the nanocrystalline ... See full document

... Those Cu clusters become nucleation centers for the formation of crystalline α-Fe ...current, Cu atoms do not have enough time to form relatively large clusters; this results in formation of in- ... See full document

... and amorphous phase are not ...the nanocrystalline and amor- phous ones, random anisotropy model explains well the dependence of H c on the grain-size distribution and it ... See full document

... be amorphous by XRD as shown in ...peaks from ¡-Fe (110) and (200) indicated that the precipitation of crystalline ¡ -Fe ...ribbon alloys annealed at 698 ...surrounding amorphous ... See full document

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

... The latter 0%Cu alloy rod exhibits a sequent change in glass transition, supercooled liquid and then crystallization. On the other hand, the former 1%Cu-containing alloy exhibits dis- tinctly separated ... See full document

... single amorphous structure. The grain size is estimated from a sharp diffraction peak at about 45 corresponding to -Fe phase in the XRD profiles or the high resolution TEM (HRTEM) ...without ... See full document

... that Fe-M-B amorphous alloys (where M ¼ Zr, Hf, and Nb) exhibit excellent soft magnetic proper- ties on ...of Fe grains embedded in a small fraction of the residual ... See full document

... Nd–Fe– B systems theoretically, AFCR of the systems were calcu- ...themselves. From Fig. 5, the calculated AFCR of Nd–Fe–Al system agrees with the experimental ... See full document

... arc melting the mixtures of high purity iron >99:98 mass.%, gallium >99:9999 mass.% and boron >99:5 mass.% in an argon atmosphere. The alloy compositions represent the nominal atomic percentages. Rapidly ... See full document

... phous phase in Co–Fe–Si–B alloys indicate that its maximum value is dependent on preparation method, ...Co–Fe–Si–B alloys is significantly enhanced by the addition of 4 ... See full document

... the Fe- rich and Cu-rich phases is ...elements from the Fe-rich liquid to the Cu-rich ...of Fe in Cu liquid and Cu in Fe liquid decrease with decreasing ... See full document

... glassy alloys with a large supercooled liquid region before crystallization and a high glass-forming ability leading to bulk glassy alloys in Mg-, 1) Ln- 2) and Zr- 3) based systems for several years be- ... See full document

... (e.g., nanocrystalline alloys) or those without a long-range crys- talline order ...optical, magnetic, and mechanical properties that, in turn, open up a range of possible new ...phous alloys ... See full document

... Fig. 8 Cross sectional TEM images for a FMT (200 nm)/MgO (5 nm)/ FePt (10 nm) thin film. The enlarged image of the part marked in (a) is shown in (b). The selected area diffraction (SAD) pattern in the FMT region ... See full document

... crystalline structure with an average grain size under 10 nm was formed as shown in Fig. 6(a). The nanoscale grains are randomly oriented. Electron irradiation induced crystalliza- tion may progress in consequence of ... See full document