Rare-earth magnet
Recycling of Rare Earth Magnet Waste by Removing Rare Earth Oxide with Molten Fluoride
... The magnet wastes are dissolved in acid solution such as sulfuric acid at ...A rare earth element isolated by using solvent extraction is precipitated as oxalates to be ...electrolysis. Rare ...
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Recycling of Rare Earth Magnet Scraps Part III Carbon Removal from Nd Magnet Grinding Sludge under Vacuum Heating
... In the first step, the effects of the heat treatment tempera- ture on the amount of carbon and oxygen, and the morphology of the grinding sludge, were investigated under constant heat treatment time and reduced pressure. ...
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Effects of Grain Boundary Phase on Coercivity of Dysprosium Free Rare Earth Magnet
... heavy rare earth elements such as Dy and ...Heavy Rare-Earth Elements (HREEs), main- ly ...called rare-earth shock in 2010, a reduction of HREE usage has been an unavoidable ...
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Optimisation of additively manufactured permanent magnets for wind turbine generators
... permanent magnet machines and hence usage of rare earth magnet ...of magnet kg/MW and an aspiration to reduce this ...permanent magnet poles by that could be produced through an ...
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Electrochemical Recovery of Rare Earth Elements from Magnets: Conversion of Rare Earth Based Metals into Rare Earth Fluorides in Molten Salts
... This research has received funding from the European Communitys Seventh Framework Programme ([FP7/2007- 2013]) under grant agreement n607411 (MC-ITN EREAN: European Rare Earth Magnet Recycling ...
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Recovery of Rare Earths from Magnet Sludge by FeCl2
... for rare earth magnet as a chlorine circulation type ...are rare earth oxide, Fe-alloy and gaseous hydrogen and carbon ...obtained rare earth oxides can be di- rectly used ...
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Design improvement of outer rotor hybrid excitation flux switching motor for in wheel drive electric vehicle
... permanent magnet synchronous machines (PMSMs) with an outer- rotor have been used as in-wheel direct drive motors for EVs, due to their high torque density, superb efficiency and overload capability ...permanent ...
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Electronic Properties of Rare Earth Monopnictides
... (12) Where D, S, Y, D*and S* are the constants, which depend upon the crystal structure of compounds. The numerical values of these constants for these materials are 0.0308, 0.089, 0.094, 0.894 and 19934.75 ...
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Rare earth elements in Australian sediments
... (Condie, 1967; Schnetzler and Philpotts, 1967; Wildeman and Haskin, 1973; Wildeman and Condie, 1973). The "steady state" model of Armstrong (1968) and Armstrong and Hein (1973), which invokes continuous exchange ...
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The ferromagnetic properties of the rare earth metals
... It is to be noted that these absolute saturation moments were obtained using data from the temperature range of 3l0 - 80°K only, and therefore only attempt to point out what the approxim[r] ...
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Multiferroic properties of rare earth manganites
... applied along the c-axis would cause the spins to rotate about c, i.e. in the a-b plane (illustrated in Figure 4.28). Again referring to Equation 1.6, the result of this magnetic reorientation would be a change in the ...
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Thermal expansion of rare earth metals
... the rare earth metals was undertaken as part of a broad program of study of these elements, the ultimate goal being better understanding of metals in ...The rare earth metals included in this ...
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Superconductivity and magnetism in rare earth nickel borocarbides
... reorientation which appears to be of first order between the two rhombic phases was observed, and this too was found to increase with temperature, which contradicts recent results obtain[r] ...
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Palladium-Rare Earth Alloys130-140
... 9 Diffusion coefficients versus temperature for a vacuum annealed and slow cooled palladium-8 atomic per cent yttrium alloy show the different behaviours of the mat[r] ...
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Thermoelectric Properties of p Type Fe0 9Mn0 1Si2 with Rare Earth Oxide Addition
... of rare earth element into the phase as a p-type dopant due to the decomposition of a small amount of added oxides results in an increase in the carrier concentration of the sample and decreases its Seebeck ...
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Preparations of rare earth-iron alloys by thermite reduction
... conditions, to a temperature suf?cient to react the rare An improved method for the preparation of high earth and iron ?uoride mixture with the calcium to form purity rare earth-iron all[r] ...
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Conductances, transference numbers and activity coefficients of some rare earth halides
... The -distances of closest approach,~, for all rare earth halides studied were found to be larger than the-sum of the crystal radii of the rare earth ions and the halide ions by approxirr[r] ...
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Valence States in CeVO4 and Ce0 5Bi0 5VO4 Probed by Density Functional Theory Calculations and X ray Photoemission Spectroscopy
... on-site Coulomb parameter for Ce introduced into functionals involving a “+U” term. However, inclusion of a “+U” for Ce but not for V must invariably favor localisation of excess charge on Ce rather than V. Moreover, the ...
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Spectral changes and wavelength dependent thermoluminescence of rare earth ions after X ray irradiation
... Many rare earth (RE) examples are documented via techniques such as site selective spectroscopy [4, 5] in which scanning with high resolution excitation spectra reveal equally detailed changes in the ...
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Syntheses and Thermal Characterisation of Mixed (Sm-Y) Oxalates Prepared by Coprecipitation Method
... [C 2 O 4 ] 3 .nH 2 O with x=0.3 and x=0.5 ,the DSC patterns show number of endothermic reactions at low temperatures and two exothermic reactions at higher temperature regions. The endothermic reaction at lower ...
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