Sm2fe17 xrd
Webbポイント. 新たに開発した磁石粉末合成プロセスによりサマリウム-鉄-窒素系磁石粉末の保磁力を向上. 重希土類フリーで室温での保磁力が30 kOe、200 ℃での保磁力が10 kOe … http://www.spring8.or.jp/pdf/ja/sp8-info/4-6-99/4-6-99-4-p42.pdf
Sm2fe17 xrd
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Webb将 N 原子引入到 Sm2Fe17 化合物中，合成的一系列具有优异内禀磁性能的 Sm2Fe17Nx 间隙化合物。 0 Webb今回開発した技術や、従来のプロセスで作製した Sm 2 Fe 17 N 3 磁石粉末について、還元拡散温度などの合成条件を変えて異なる粒径の磁石粉末を合成し、その磁気特性を評価、比較した。 概要の図に示すように従来の微細化技術による保磁力向上効果（図中破線）以上に高い保磁力をSm 2 Fe 17 N 3 粉末に付与できることが分かった（図中実線）。 ま …
WebbThe microstructures of Sm2Fe17 alloys heat-treated in hydrogen and subsequently in a vacuum were observed by transmission electron microscopy (TEM). Sm2Fe17 alloys … Webbobtained by fitting the XRD patterns with the Rietveld method, ranges between 30 and 38 µm. This implies that the synthesized materials are polycrystalline. The amount of the D …
Webb等离子球磨还提供了一种用于高效制备Sm2Fe17NX型合金的途径。金属Sm、Fe粉末发生剧烈变形，产生很大的热应力、应变，乃至“热爆”溅射，从而容易形成纳米尺度的片状复合结构，可通过短时间等离子球磨Sm、Fe粉体得到Sm2Fe17合金。 WebbCrystallographic and Magnetic Study of (Sm/Gd)2Fe17?xCox Solid Solutions
Webb(1)塩化ナトリウムのxrd測定 塩化ナトリウムのxrdを例に、定性分析 の方法を説明する。図3は当センターで測定 された塩化ナトリウムのxrd パターンで ある。xrd測定では、縦軸をx線強度、 横軸を2θとしてプロットが行われる。各
WebbMg–Co nano crystalline ferrites having the general formula Mg1−x Cox Fe2O4 (x=0, 0.05, 0.1, 0.15, 0.2, 0.25) were prepared by the sol–gel method. X-ray powder diffractometry (XRD) and Fourier transform infrared spectroscopy (FTIR) were carried out to investigate the structural properties of the samples. fluorescent light to grow microgreensWebbAbstract. By absorbing nitrogen, the Sm 2 Fe 17 compound changes its magnetic nature from planar to uniaxial anisotropy. Using magneto-optic Kerr microscopy, we have … fluorescent light trips gfci outletWebbIn the oxalate system, some factors of pH values, reactant concentration, feeding method and reaction temperature affecting the grain size and morphology of the precursor of … greenfield medical libraryWebb13 nov. 2024 · These nanocrystalline Sm2Fe17−xSix systems gave good magnetocaloric properties, which however decreased with Si content from 3.29 J/kg K for x = 0 down to … fluorescent light to highlight ionsWebb21 apr. 1999 · The structural and magnetic properties of off-stoichiometric 2:17-type compounds Sm2Fe17−xTxM (T=Co, Ti; M=Al, Si; x=0–4) were studied by x-ray powder … greenfield medical centre b8 1rtWebb1 nov. 2024 · Sm2Fe17 alloy is the intermediate material for the preparation of Sm2Fe17Nx (x ≈ 3); thus, the synthesis of pure Sm2Fe17 mother alloy is the key to obtaining high … greenfield medical malpractice lawyer vimeoWebb29 juli 2015 · In order to eliminate the effect of amorphous phase on magnetic properties, SmFe 9−x V x (x = 0, 0.4, 0.8, 1.2) melt-spun ribbons were annealed at 1023 K for 1 h and then quenched in water. Figure 2 shows XRD patterns of annealed samples. It can be seen that the main phases of the as-prepared samples are maintained except that a small … greenfield medical library nottingham