Re2fe14b
WebNov 18, 2024 · The experimental Ce-based SC alloys were mainly composed of RE2Fe14B and REFe2 phases. Some “small islands” existing in REFe2 regions were identified as intermediate products of the peritectic reaction. It inferred that a trace amount of α-Fe existed in all the Ce-based SC alloys. The Ce-Fe-B sintered magnet has a large-grain ... WebMar 7, 2012 · Control of microstructure and texture is of critical importance in forming rare earth (RE)-iron-boron particulate suitable for anisotropic polymer-bonded permanent magnets and anisotropic sintered ...
Re2fe14b
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WebApr 9, 2024 · Abstract. Currently, electric motors and generators use high-energy permanent magnets based on RE 2 Fe 14 B phases (RE: rare earth) with high amounts of RE often … WebAre there any calculated exchange interaction values for RE2Fe14B phases for different RE (Rare Earths)? How nano particles of Ce2Fe14B phase will interact with Nd2Fe14B, phase …
WebJun 4, 1998 · Magnetostriction and thermal expansion measurements have been carried out on polycrystalline RE 2 Fe 14 B permanent magnets (RE=Nd, Ho, Dy, and Y) between 4.2 K …
Web본 발명은 r-t-b계 소결 자석 및 그 제조 방법에 관한 것이고, 소결 자석은 결정립계 구역t1, 껍질층 구역t2와 rtb결정립 구역t3을 포함하고; 상기 소결 자석의 표면에서 중심으로 향하는10μm내지 60μm되는 곳에서, 상기 껍질층 구역 t2와 상기 r2fe14b결정립 구역 t3의 면적비는 0.1~0.3이고, 상기 껍질층 구역 t2 ... Web本发明涉及主要由R(其中R至少含有一种含Y的稀土元素)、Fe和B组成的永磁材料及该材料的制各方法，本发明尤其涉及的R—Fe—B永磁材料及其制造方法是采用诸如单辊法或双辊法及类似方法的带坯连铸法，由主要成分为为R、Fe和B的熔融合金获得具有其中的R2Fe14B相和富R相为细分散的均匀结构的铸造合金 ...
WebThe Mössbauer spectra of Pr 2 Fe 14 B and Gd 2 Fe 14 B have been measured from 85 to 295 K and fit with a second order approximation in which the angle, ϕ, between the principal axis of the electric field gradient and the easy-axis of magnetization has been fixed by the positions of the near-neighbor rare-earth atoms.
WebA solid solution of three rare earths (RE) in the RE2Fe14B structure have been combined to create the novel mixed rare earth iron boron (MRE2Fe14B) alloy family. MRE2Fe14B exhibits reduced temperature dependent magnetic properties; remanence and coercivity. The desired form of MRE2Fe14B is a powder that can be blended with a polymer binder and ... dunkin donuts bottled coffee drinksWebNov 29, 2024 · 即Re2Fe14B，而不需要形成，富B相，考虑到熔炼时B有损耗,应添加适量的附加B。 一般根据经验为0。 03质量分数。 但是通过配方等,技术的提高，会逐渐降低。 B的熔点为2000度，熔炼炉的温度为1450左右。 所以已B—Fe的形式出现，实际上是溶解Fe从而解散B,达到熔炼的 ... dunkin donuts box of hot chocolateWebTwenty new ternary representatives of the Gd_(14)Ag_(51) structure type have been synthesized within the R-Au-M family (R = Y, La–Nd, Sm–Tb, Ho, Er, Yb, Lu; M dunkin donuts box of chocolateWebThe starting strip consists of columnar RE2Fe14B grains tual situation. Being distinct from the starting strip containing 97.44 wt and surrounding RE-rich phase, which is also confirmed by the corre- % RE2Fe14B main phase (space group P42/mnm) and 2.56 wt% metallic sponding WDS line scan in Fig. 2 (d). Although the RE-rich phase pos- dunkin donuts boston ave bridgeport ctWeb化学成分钕铁硼永磁材料是以金属间化合物Re2Fe14B为基础的永磁材料。 所以，目前国外的多数扬声器生产厂家，基本上把钕铁硼材料作为高音单元的磁性材料，并采取较为有效的散热措施。很少将钕铁硼磁性材料应用到低音单元的制造工艺之中。 dunkin donuts brands universityWebAug 1, 1992 · 1. Introduction The study of the magnetic properties of the intermetallic compounds RE2Fe14B (RE= rare earth) has generated, during recent years, an enormous … dunkin donuts box of chocolatesWebDec 5, 2000 · Magnetic circular dichroism (MCD) in the x-ray absorption spectroscopy (XAS) at the L2,3 edges for almost entire series of rare-earth (RE) elements in RE2Fe14B, is studied experimentally and theoretically. By a quantitative comparison of the complicated MCD spectral shapes, we find that (i) the 4f-5d intra-atomic exchange interaction not only … dunkin donuts box of hot cocoa