Fe-B
Electrochemical Investigation on Electroless Fe-B Deposition
... Experiments found that there was no deposit on brass substrate unless the brass coupled with aluminum during deposition. To reveal the effect of the coupled aluminum on Fe-B deposition, the partial anodic ...
9
Search for magnets with properties intermediate between Nd Fe B and Ferrite
... The rare-earth crisis peaked in the summer of 2011 with prices of both light and heavy rare earths reaching unprecedented levels (500 $/kg for Nd, 3000 /kg for Dy). Despite a reduction to prices of about 20% of the peak ...
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Thermodynamic Study of Phase Equilibria in the Ni Fe B System
... mol% B section agreed with the DSC data obtained in this study, whereas the calculated liquidus and solidus temperatures were higher than the reported values at the Ni 2 B–Fe 2 B pseudo-binary ...
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Effect of Ti Addition on Phase Constitution and Wear Resistance of Fe B C Hypereutectic Overlays Produced Using Powder Wire Composite Arc Welding
... posite arc welding process, the alloy powders were intro- duced into the welding pool through the high-temperature arc. Because the powders were inserted at high speed and partial powders would not melt in a short ...
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The thermal expansion of hard magnetic materials of the Nd-Fe-B system
... A large number of experimental studies are devoted to measuring the thermophysical properties of substances in a magnetic field. It is known that under its influence curious thermal effects are observed in the magnetic ...
6
Synthesis and Characterization of Directionally Solidified Nd- Fe-B alloys
... study of Directionally Solidified Nd-Fe-B Alloys. Synthesis is done via vacuum induction melting and casting and then by Directional Solidification furnace and characterized for structural and magnetic ...
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Thermodynamics of Oxygen in the Fe Nd O System for Production of Dy Free Nd Fe B Magnet
... Among the magnets currently used, sintered Nd-Fe-B magnet has the highest magnetic properties which meet the requirements in many commercial products such as voice coil motors for hard disk drives, ...
5
Enhanced energy product in Y Co Fe magnets intermediate between Nd Fe B and ferrite
... There is increasing interest in finding oriented dense magnets with properties intermediate between sintered ferrite and sintered Nd-Fe-B, having reduced content of strategic rare earths. 1 Development and ...
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Optimization and comparison of flux-concentrating Nd-Fe-B generator considering variable power factor and wind conditions for a 6MW offshore wind turbine
... Abstract—A large proportion of offshore wind turbine designs are now based on directly driven permanent magnet synchronous generators using rare earth materials. During last few years, the price of Nd-Fe-B ...
5
Anomalous dependence of the c-axis polarized Fe B$_{1g}$ phonon mode with Fe and Se concentrations in Fe$_{1+y}$Te$_{1-x}$Se$_x$
... and Fe nonstoichiometry in the virtual crystal approx- imation ...increasing Fe content in Fe deficient samples, but the effects of Fe nonstoichiometry are poorly ...excess Fe induces ...
11
Spark Sintering Behavior of Ubiquitously Fe B and Fe Powders and Characterization of Their Hard Composites
... FeB (Fukuda Metal Foil and Powder Co., Ltd.) and Fe powders (DOWA IP CREATION Co., Ltd.) were used as starting materials. The mean particle size of FeB and pure Fe powders were 45 and 7.7 μm, respectively. ...
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Phase Stability of an Amorphous Phase Against Electron Irradiation Induced Crystallization in Fe Based Metallic Glasses
... irradiation from the peak position indicated by the solid line A. However, binary Fe-Zr, Fe-B and Zr-B intermetallic compounds precipitated during thermal annealing are not detected. There is ...
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Magnetoviscous Property and Hyperthermia Effect of Amorphous Nanoparticle Aqueous Ferrofluids
... 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 Fe-B ...
8
Magnetostriction of Fe Ga B Alloys in Amorphous and Crystallized States
... increasing Ga content. However, excessive Ga addition of over 0.18 causes the broadening of the first exothermic peak to the low temperature side. Thus, the crystallization temper- ature and crystallization behavior are ...
5
The Equilibrium Relation of Immiscibility in an Fe Cu B System at 1873 K
... 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 ...the ...
5
Thermodynamic Analysis of the Phase Equilibria in the Fe Zr B System
... the Fe-Zr-B ternary system has been carried out using the CALPHAD ...the Fe-Zr and Fe-B binary systems were taken from reported results and from our previous study, ...
7
Electron Irradiation Induced Phase Transformation in Fe Nd B Alloys
... binary Fe-Nd alloys The irradiation experiments of binary Fe-B, Fe-Nd and Nd-B alloys are very effective for investigating the dominant factors of electron irradiation induced C-A, A-C ...
6
Solid State Conductivity of Optimized Polypyrrole Coatings on Iron Obtained from Aqueous Sodium Salicylate Solution Determined by Impedance Spectroscopy
... In this work the optimization procedure for corrosion resistance, surface analysis and electrical properties of PPy-Fe electrodes have been examined. Polypyrrole (PPy) film was electrochemically synthesized in a ...
14
Preparation of Fe–Pt–Si Amorphous Ribbons and Their Coercivity after Crystallization
... The authors would like to thank Mr. Kenichiro Sasamori and Mr. Yoshihiro Murakami of the Advanced Research Center of Metallic Glasses, Institute for Materials Research (IMR), Tohoku University (TU) for assisting the ...
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Elevated Concentrations of Dietarily Important Trace Elements and Macronutrients in Edible Leaves and Grain of 27 Cowpea (Vigna unguiculata L Walp ) Genotypes: Implications for Human Nutrition and Health
... of Fe, Zn, Cu and B in leaves with high levels of only Cu and Mn in grain; Iron Grey exhib- ited elevated levels of Fe, Zn, Cu and B in leaves and only Zn and Mn in grain; CH14 showed greater ...
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