2024 Sm2fe17nx

Sm2fe17nx

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August undefined, 2024

Webb17 aug. 1998 · Fully dense Sm2Fe17Nx bulk bodies with porosities less than 5% were prepared by shock compression in a certain low‐pressure region, using the magnetically … Webb由于这些效应，使得Sm2Fe17Nx和Nd(Fe，M)12Nx具有了可与Nd2Fe14B媲美的内禀磁性。即c轴是晶体的易磁化方向，并具有很强的磁晶各向异性场，为产生高矫顽力提供了先决条件。吸氮以后饱和磁化强度升高，为制造高磁能积磁体奠定了基础。

磁能灸石探究稀土新材料 - 文档视界

Webb20 apr. 1993 · The oxygen content of these particles is less than 200 ppm because the fine pulverization step was skipped. The relation between the nitrogen content and … http://www.wendangku.net/doc/e612996673.html ウェルスミス妻

Effective Grinding Procedure for Sm2Fe17Nx Powder with High …

Webb16 mars 1993 · In the present work the change of the easy magnetization direction from easy plane to easy axis of the primary compound Sm 2 Fe 17 by absorbing nitrogen is … WebbThe Mössbauer spectra of Sm2Fe17Nx, prepared by the nitrogenation of Sm2Fe17 powders in an ammonia and hydrogen atmosphere, were observed at elevated … Webb15 dec. 2024 · Abstract: In this study, we investigate the finite-temperature magnetic properties of Sm2Fe17Nx (x = 0,3) using an effective spin model constructed based on … painel dns

Improvement of Magnetic Properties of Mechanically

Sm2fe17nx

WebbThe Sm2Fe17Nx powder stabilized by surface coating with the zinc metal produced via photodecomposition of diethylzinc (Zn(C2H5)2) showed the better oxidation resistivity … WebbEffects of nitrogen content on crystal structure and magnetic properties have been investigated in Sm/sub 2/Fe/sub 17/N/sub x/. Sm/sub 2/Fe/sub 17/N/sub x/ specimens …

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WebbSm2Fe17Nx is of considerable current interest as a permanent‐magnet material because of its enhanced Curie temperature and uniaxial anisotropy. The electronic structures of … WebbStructure and magnetic properties of Sm2Fe17Nx alloys after severe plastic deformation by high pressure torsion. Materials Letters, 127993. doi:10.1016/j.matlet.2024.127993

WebbThe present investigation attempted to optimize the R-D (reduction-diffusion) process for fabricating Sm2Fe17 nanoscale powder from ball-milled powders of samarium oxide … WebbNdFeB 永磁体的主要缺点是居里温度偏低 (TC≈593K)最高工作温度约为 450K，此外，化学稳定性较差，易被腐蚀和氧化，价格也比铁氧体高。当前的方向是寻求新型稀土永磁材料，如：ThMn12型ห้องสมุดไป่ตู้合物 Sm2Fe17Nx, Sm2Fe17C 化合物。

Webb28 aug. 2024 · 我国在Sm2Fe17Nx稀土永磁材料的研究方面主要集中在采用 HDDR 法、传统粉末冶金法以及还原扩散法等与常规的氮化工艺结合制备 Sm2Fe17Nx 磁粉以及微量的一元合金元素的添加等方面，其研究开发都只停留在实验室的水平，与国外相比有很大差距，尤其是产业化开发方面还是空白，还有较长的路要走。 Webb15 juli 2013 · Abstract: Strip casting technique was used to prepare anisotropic Sm 2 Fe 17 N X compounds. It was found that single phase Sm 2 Fe 17 compound could be …

Webb1 juni 2007 · Sm2Fe17Nx film magnets were prepared using a Sm2Fe17 target in a N2 gas atmosphere using a RF magnetron sputtering technique.

WebbFor the preparation of a hard magnetic Sm2Fe17Nx compound, additional nitriding treatment was performed under an N2 gas flow at 450°C for various time intervals. It … ヴェルズ優勝WebbSci-Hub Improved efficiency for preparing hard magnetic Sm2Fe17NX powders by plasma assisted ball milling followed by nitriding. Journal of Magnetism and Magnetic Materials, … ヴェルス宇都宮キャンペーンWebb4 juni 1998 · X‐ray absorption fine structure from the samarium L3 edge reveals that there are 2.8±1.0 nitrogen atoms in Sm2Fe17Nx covalently bonded 2.54 Å from the Sm site. … painel do aluno novo espaçoWebbNdFeB 永磁体的主要缺点是居里温度偏低 (TC≈593K)最高工作温度约为 450K，此外，化学稳定性较差，易被腐蚀和氧化，价格也比铁氧体高。当前的方向是寻求新型稀土永磁材 … ヴェルス宇都宮入会金ヴェルス宇都宮スタッフWebb19 juli 2013 · Sm 2 Fe 17 N x sintered magnets were fabricated by spark plasma sintering (SPS) technique. Effects of sintering pressure, sintering temperature and heating rate on … painel do agente ipboxWebbMetallic Functional Materials Dynamic Magnetic Permeability of Fe81Ga19 Magnetostrictive Alloy 2010 Issue 1005-8192 ヴェルス宇都宮紹介