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Re2fe14b

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 ... 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 …

Hydridation of Re2Fe14B compounds (Re ≡ Nd, Ce, Y, Gd)

WebJan 1, 1985 · We have recorded the 57Fe Mössbauer spectra of RE2Fe14B compounds at room temperature and at 4.2 K (RE = Y, Pr, Gd, Tb, Dy and Er). The hyperfine parameters … 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 … photo folder organizer https://summermthomes.com

Magnetic Properties of Tetragonal SmFe - Wiley Online …

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 ... 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 ... Web钕铁硼永磁材料是以金属间化合物Re2Fe14B为基础的永磁材料。主要成分为稀土元素（Re）、铁（Fe）、硼（B）。其中稀土元素主要为钕（Nd），为了获得不同性能可用部分镝（Dy）、镨（Pr）等其他稀土金属替代，铁也可被钴（Co）、铝（Al）等其他金属部分替代，硼的含量较小，但却对形成四方晶体 ... how does fitzgerald create the dreary

Hydridation of Re2Fe14B compounds (Re ≡ Nd, Ce, Y, Gd)

Category:Magnetostriction and thermal expansion of RE2Fe14B

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Re2fe14b

(整理)钕铁硼磁铁简介湖南磁铁厂家—金坤磁铁.（实用应用文） - 豆 …

WebAug 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. 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 …

Re2fe14b

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WebAug 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 … 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）。

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 ... Web摘要： The tetragonal R2Fe14B compounds have attracted a great deal of attention because of the permanent magnet applications of the Nd‐Fe‐B system.

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 ... 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 …

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WebTwenty 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 how does fitocracy workWebOct 16, 2024 · The coercivity of RE2Fe14B-type permanent magnets is strongly influenced by the microstructural features such as grain boundary (GB) phases as well as grain sizes. We have combined micromagnetic simulations and experiments to elucidate the role of excess RE (Nd/Pr) in determining the resulting hard magnetic properties of Nd–Pr–Fe–B … how does fittrack workWeb2.14 Fe 14 B (x = 0 ∼0.5) powders verify such an anomaly, as displayed in Figs 2–4. Figure 2 shows that 2:14:1 tetragonal phase is formed for all samples with the characteristic diffraction peaks... photo folders onlyhow does fitzgerald define the american dreamWebA high defect density within the structure, unprecedented in RE2Fe14B microstructures, was observed. It is surmised that the defects cause soft magnetic behavior. Stabilization of a columnar, textured microstructure was achieved through the utilization of moderate wheel speeds during melt-spinning, in combination with minor additions of Ag to ... how does fitzgerald describe wilsonWebApr 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 … photo folders on iphoneWeb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 … how does five guys cook their burgers