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of Heavy Metal Pollution,Changsha 410083, China Received 24 August 2011; accepted 5 January 2012 Abstract: High gradient magnetic separation was conducted in order to separate insoluble zinc ferrite... diffraction (XRD), M?ssbauer spectra, scanning electron microscopy (SEM) and laser particle analysis (LPA). The parameters of magnetic separation which affect the distribution of zinc ferrite and undesired......
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Preparation technology and magnetic properties of Nd9.5Fe77B6Co5Zr2.5 nanocomposite magnets HUANG Zhao-hua(黄照华)1, 2, NI Jian-sen(倪健森)1, XU Hui(徐 晖)1,WANG Zhan-yong(王占勇)1, ZHOU Bang-xin(周邦新)1 1...; accepted 30 June 2006 Abstract: The preparation technology and magnetic properties of Nd9.5Fe77B6Co5Zr2.5 nanocomposite magnets were investigated by melt spinning and crystallization process......
of the grain size and grain boundaries with SEM were carried out. Microstructural investigations showed the presence of some Nd-rich phase in grain boundaries and main phase.The results of magnetic properties analysis shows that this non-magnetic Nd-rich phase, produced in annealing process,can increase or decrease the magnetism of the sintered NdFeB-type permanent magnet. Appropriate amount......
合实现聚磁,以轴向充磁环形磁体内径构建分选空间,同时获得了较大的分选空间和高磁场强度.设计了多面挤压装配夹具及装配工艺.在直径29.2mm分选空间上测得最高场强可达1.3T;Magnet数值仿真证明磁滤器磁路设计达到了设计要求,对极弱磁性煤系黄铁矿粉体的直接分选实验表明,该磁滤器用于分选弱磁性粉体效果显著. 关键词:永磁磁滤器; 轴向磁体; 径向磁体; 磁路; 装配; permanent magnetic filter; axial magnet; radial magnet; magnetic circuit; assembling; [全文内容正在添加中] ......
热处理工艺对0Cr17Ni钢磁性能的影响陈昭运1,郝维勋1(1.黑龙江省哈尔滨市哈尔滨工程大学材料科学与化学工程学院)摘 要:研究了不同温度淬火,高温回火对0Cr17Ni不锈钢磁性能的影响,通过显微组织,碳化物析出特点,残余奥氏体含量分析,解释了产生磁性能变化的原因.结果表明:奥氏体化温度越高,铁素体含量越多,磁性能越好.高温回火后磁性能得到明显提高.但奥氏体化温度过高,残余奥氏体增多,晶粒增大,降低磁性能.关键词:不锈钢； 碳化物； 铁素体； 磁性能； 残余奥氏体......
for monitoring of a thermal demagnetization process of permanent magnets. The original method and measurement devices were capable for examination of magnetic, mechanical and thermal defects...Magnetovisual method for monitoring thermal demagnetization of permanent magnets used in magnetostrictive actuatorsJ.Kaleta,P.WiewiórskiInstitute of Materials Science and Applied Mechanics, Wroclaw......
for monitoring of a thermal demagnetization process of permanent magnets. The original method and measurement devices were capable for examination of magnetic, mechanical and thermal defects...Magnetovisual method for monitoring thermal demagnetization of permanent magnets used in magnetostrictive actuatorsJ.Kaleta,P.WiewiórskiInstitute of Materials Science and Applied Mechanics, Wroclaw......
Structure and permanent magnetic properties of SmFe_x(x=3–8) melt spun ribbons during heat treatment罗阳,于敦波,李红卫,庄卫东,毛永军,陈晓霞,李扩社,刘宇超National Engineering Research Center for Rare Earth Materials,General Research Institute for Nonferrous Metals,Grirem Advanced Materials Co.,Ltd.摘 要:Compounds with the composition SmFex(x=3–8) were prepared by melt spun......
