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Re2fe14b

WebAug 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 … 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 ...

稀土-铁-硼永磁材料及该材料的制备方法

WebNeodymium iron boron permanent magnet material is based on intermetallic compound re2fe14b. The main components are neodymium (nd), iron (FE) and boron (b). Among them, the main rare earth element is neodymium (nd). In order to obtain different properties, some other rare earth metals such as dysprosium (Dy) and praseodymium (PR) can be partly ... WebDec 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 … bit ly form skp 2021 https://unrefinedsolutions.com

14 (Au, M) 51 (R = Y, La–Nd, Sm–Tb, Ho, Er, Yb, Lu; M = Al, Ga, Ge, …

WebInvestigations into the processing and texture of Pr-substituted NdFeB magnets produced by extrusion RÜDIGER Alexander, GALL Sven, MÜLLER Sören Abstract. Crystallographically and magnetically textured but dimensionally limited NdFeB permanent magnets produced by hot deforming processes such as die-upsetting and back-extrusion have been extensively … WebRAO Shung LIN Chen-Sheng HE Zhng-Zhen CHAI Guo-Ling②. a (State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences (CAS), Fuzhou 350002, China) WebJul 26, 2016 · In this work, we found that stable 2:14:1 tetragonal phase is formed in [ (Pr, Nd) 1−x (La, Ce) x] 2.14 Fe 14 B compounds even with x up to 0.5 by the commercialized … data curated meaning

Effects of Ag additions on melt-spun RE2Fe14B microstructure …

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Re2fe14b

Origin of magnetic anisotropy in R2Fe14B (R=rare earth) …

Web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。 Web本专利技术资料提供了一种RE2Fe14B单相合金,化学通式为RExFeyBz;RE为Nd、Ce或Y;x、y和z分别为RE、Fe和B的原子百分比。其制备方法包括以下步骤:(1)按原子百分比Fe50B50分别称取Fe粉和B粉,混合,压型,熔炼,得Fe‑B合金;(2)退火;(3)测退火后Fe‑B合金中Fe和B含量单相合金专利技术,合金制备 ...

Re2fe14b

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WebMay 2, 1996 · Keywords: Anisotropy RE compounds; NMR spin echo; Permanent magnet materials Since the discovery of the high performance permanent magnet material Nd2Fe14B in 1983 the RE2Fe14B (RE = rare earth) compounds have been thoroughly investigated, leading to a complete description of their structural and bulk magnetic … Web摘要: The magnetic properties of R ions in R2Fe14B compounds (R=rare earth, Th) are determined by a combination of R‐Fe exchange and crystalline electric field interactions.

WebJun 29, 2024 · 5.4. Re2Fe14B based permanent magnetic materials 5.5. Sm-based permanent magnetic materials 5.6. Need of Re-free 5.7. Permanent magnets based on RE-free compounds. 6. Nanomagnets for rare earth free permanent magnets 6.1. Cobalt Carbide nanoparticles 6.2. Cobalt Iron Carbide nanoparticles 6.3. MnxGa Nanostructured … 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 ...

WebMar 7, 2012 · Title: Effects of Ag additions on melt-spun RE2Fe14B microstructure and texture Full Record Other RelatedResearch Abstract Control of microstructure and texture … WebCorpus ID: 122615946 R 2 Fe 14 B materials: Intrinsic properties and technological aspects J. Herbst Published 1 October 1991 Materials Science Reviews of Modern Physics …

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 and room temperature in pulsed magnetic fields up to 15 T. Nd 2 Fe 14 B exhibits an anisotropic magnetostriction which amounts to λ t =−308×10 −6 at 4.2 K and −96×10 −6 …

Web本発明に係る磁石材料は、RE2Fe14B型正方晶化合物を主相とし、F,RE,Fe,Bを含む非晶質である粒界相が、前記主相を取り囲む構造を有する(但し、REはNd及びPrのうち少なくともNdを必ず含む少なくとも1種の希土類元素)。 bit ly fortniteWebAug 20, 1991 · The family of compounds Re 2 Fe 14 B, in which Re ≡ Nd, Ce, YandGd, form compounds with hydrogen which can be partially decomposed under vacuum.The … bitly free account limitationsWebAug 20, 1991 · The family of compounds Re 2 Fe 14 B, in which Re ≡ Nd, Ce, YandGd, form compounds with hydrogen which can be partially decomposed under vacuum. The reversible part has divariant characteristics. The formation kinetics are controlled by a diffusion mechanism. Fragmentation of the sample appears in each grain as concentric cracks. data curation meaning in hindiWeb本专利技术资料提供了一种RE2Fe14B单相合金,化学通式为RExFeyBz;RE为Nd、Ce或Y;x、y和z分别为RE、Fe和B的原子百分比。其制备方法包括以下步骤:(1)按原子百 … bitly founderWeb本实用新型公开了一种集成避雷器的射频连接器,它包括:射频连接器主体,所述射频连接器主体包括外导体、内导体和绝缘组件,所述外导体和所述内导体通过所述绝缘组件相互隔离开;避雷器主体,所述避雷器主体包括短路杆和短路同轴外壳,所述短路同轴外壳的一端与所述外导体电连接,所述 ... data curation healthcareWebJul 26, 2016 · In this work, we found that stable 2:14:1 tetragonal phase is formed in [ (Pr, Nd) 1−x (La, Ce) x] 2.14 Fe 14 B compounds even with x up to 0.5 by the commercialized … data currency in healthcareWebJun 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 … bitlyfreequickbooks