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Sm2fe17n3 xrd

WebbSPring-8 利用者情報／1999年11月 42 最近の研究から 1．はじめに Sm2Fe17N3は、1990年にCoeyとSun[1]により磁気 特性が報告された比較的新しい硬質磁性材料であ WebbThe sintering of Sm2Fe17 compound prior to the nitrogenation process is studied as an alternative process to produce dense Sm2Fe17N3 hard magnets with higher maximum …

Preparation of submicron-sized Sm2Fe17N3 fine powder …

WebbThis paper compares the effect of using different types of iron powders for the preparation of Sm2Fe17 by calciothermic reduction-diffusion (CRD). Three types of iron powder were … Webb11 dec. 2024 · Attained 9 MG-Oe energy product in Sm2Fe17N3 via development of low-temperature high-pressure Sm2Fe17 nitrogenation protocol that achieves full, 3 N atoms … bju cultural geography chapter 6 test https://shinestoreofficial.com

Sm/sub 2/Fe/sub 17/N/sub 3/ magnet powder made by using

WebbCORE – Aggregating the world’s open access research papers Webb12 apr. 2024 · Sm2Fe17N3 和Fe65Co35 做成的复合多层薄膜，(BH)max 可达到10 -3，这些 磁体的(BH)max 理论值都远远大于现有的单相永磁体的。 （三）较低的稀土含量 与传 … Webb16 nov. 2024 · F-0TSTD6；关于“行业资料”中“金属学与金属工艺”的论文参考范文文档。正文共8,513字，word格式文档。内容摘要：稀土永磁材料发展历程回顾，稀土永磁材料发 … datong electronics

Synthesis of Sm2Fe17N3 compacts by mechanical …

Category:Sintering Sm2Fe17 Prior to Nitrogenation Scientific.Net

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Sm2fe17n3 xrd

(a) XRD profile and (b) demagnetization curve of Sm 2 Fe 17 N 3 ...

WebbSm-Fe-N系硬質磁性化合物の研究 著者 入山 恭彦 号 1530 発行年 1994 URL http://hdl.handle.net/10097/10337 WebbProgress in magnet development has matched expectations in most areas, nevertheless the development of a technically and commercially competitive processing route for …

Sm2fe17n3 xrd

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Webb見出され(1),その反応はSm2Fe17N3に も応用可能なことが 報告された(2).相変態時の水素の吸収・放出にともない発熱 反応・吸熱反応が起きるが,反 応温度や反応時間の微妙な違 いにより生成する微細組織が大きく変化する.こ のため被処 http://www.spring8.or.jp/pdf/ja/sp8-info/4-6-99/4-6-99-4-p42.pdf

Webb等温線のプラ トー領域は異な る2相 の共存領域 であ り、 Sm2Fe17N3は 単なる固溶体相ではなく、Sm2Fe17N2相 とは異なる化合物相であると考えられる。 窒化後のXRD測 … WebbTaylor & Francis Online: Peer-reviewed Journals

Webb表1 Nd2Fe14B和Sm2Fe17N3的磁性能[16~19] 图1 Sm2Fe17N3和(NdDy)FeB的(BH)max与 工作温度的 ... 图3 在低温和室温下球磨不同时间Sm2Fe17N x 粉体的XRD谱、SEM照片 … WebbTransmission electron microscope (TEM) observation of a Sm-Fe-Cu-Al alloy-bonded Sm 2 Fe 17 N 3 magnet which showed high coercivity revealed that the Sm-Fe-Cu-Al alloy had an effect of removing the surface oxide layer of the Sm 2 Fe 17 N 3 grains.

Webb其中Sm2Fe17Nx化合物具有优异的内禀赋磁性能,它的饱和磁化强度 达1.54T，这可与NdFeB的1.6T相媲美，居里温度470℃（NdFeB为312℃）、各向异性场14T（NdFeB 为8T）都比NdFeB的值高的多，并且其耐腐蚀性、热稳定性、抗氧化性都优于NdFeB永磁材料 [2]。 本文就Sm2Fe17Nx晶体结构和磁性能的关系进行了分析，阐述了当前Sm2Fe17Nx …

Webbwere examined by an X-ray diffraction (XRD) apparatus using Cu Kα radiation. The microstructure of the samples was observed with a scanning electron microscope … datong industry corporation limitedWebbAbstract: Sm2Fe17N3, alloy (SFN) is a well known magnet powder expected to be useful for a bonded magnet [1]. Besides the magnetization is as high as that of Nd2Fe14B alloy, … datong coal industryWebbNitridation of Sm 2 Fe 17 powder was performed under a 5-T magnetic field for the temperature range 623–743 K to clarify the magnetic field effect on nitridation. Applying … bju earth science chapter 20WebbMagnetic properties and microstructure of Sm2Fe17−xTax compounds da-tone rock products brookings orWebbTh2Zn17型 の結晶構造を持つR2Fe17化 合物は窒素雰囲気 中700K前 後に保持することによりN原 子を格子間に取り 込み6～8%の 著しい体積膨張を起こす.こ れに伴いキュリ ー温度が室温前後から700～750Kま で増加し ,磁 気異方性 の符号および絶対値も著しく変化する(4)(5).Sm2Fe17Nx(x は2.5～3.0)は非常に大きな磁気異方性を示し,Nd2Fe14B化 合の … datong international trackingWebb15 nov. 2024 · XRD profiles taken from Sm 2 Fe 17 N 3 + x C (x = 0–2.0) + Zn sintered at 430 °C for 1 h under 500 MPa. Download : Download high-res image (131KB) Download : … bju cultural geography chapter 8 test canadaWebb30 nov. 2016 · Sm 2 Fe 17 N 3 alloy is well known as a high-performance permanent magnet which has not only high magnetization equivalent to Nd 2 Fe 14 B alloy but also … bju cultural geography chapter 8 test