Sm2fe17nx
Webb3 mars 2014 · High energy XAFS studies of Sm:K-edge in Sm 2 Fe 17 N x with x=0.0, 0.1, 0.5, 2.0 and 3.0 were carried out at room temperature in order to clarify the relation … 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 …
Sm2fe17nx
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WebbSm2Fe17Nx film magnets were prepared using a Sm2Fe17 target in a N2 gas atmosphere using a RF magnetron sputtering technique. The effect of nitrogenation treatment such … WebbThe present investigation attempted to optimize the R-D (reduction-diffusion) process for fabricating Sm2Fe17 nanoscale powder from ball-milled powders of samarium oxide …
WebbMetallic Functional Materials xin xing duo gong neng te xing gang ban 2003 Issue 1005-8192 WebbSm2Fe17Nx film magnets were prepared using a Sm2Fe17 target in a N2 gas atmosphere using a RF magnetron sputtering technique. The effect of nitrogenation treatment such …
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 … Webb1 juni 1995 · Finely and uniformly ground powder samples (mean particle size <3 µ m) of Sm 2 Fe 17 N x (x= approx. 3.0) which were obtained by ball milling in hexane solution …
Webb软磁材料硬磁材料的国内研究现状及存在的问题.docx,软磁材料、硬磁材料的国内研究现状及存在的问题 材料是人类社会发展的物质基础和先导，新材料则是人类社会进步的里程 …
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. … portland mountain lionWebb磁能灸石探究稀土新材料的内容摘要：磁能灸石探究稀土新材料如今，稀土作为一种战略性的新兴资源，在航空等领域发挥着越来越重要的作用。而磁能灸石，是宁波慈华臻品健康科技有限公司在稀土这个新兴资源的探索的体现。，其磁疗效果获得了许多客户的认 portland mountainWebb9 jan. 2007 · Abstract The Mössbauer spectra of Sm2Fe17Nx, prepared by the nitrogenation of Sm2Fe17 powders in an ammonia and hydrogen atmosphere, were … optima reliant rehabWebbCN-104399994-B chemical patent summary. optima rehabilitation and technologyWebb机械研磨法 mechanical mill method. 4.1.2.1 硬质合金模的结构形式硬质合金模具一般用于拉制直径∅40mm以下的制品。...图7-4-2立式磨模机示意图图7-4-3卧式抛光机示意图2） … optima rehab therapy loginWebbThe effect of chemical order and defect structure on the magnetization process in Sm2Fe17 and Sm2Fe17Nx has been investigated. In Sm2Fe17, ... portland motor works portland orWebbNdFeB 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 … portland motor vehicle department