• 不 限
  • 期刊论文
  • 硕博论文
  • 会议论文
  • 报 纸
  • 英文论文
  2. 您的位置
  3. 首页
  4. 会议论文
  5. 化学镀法制备Nd-Fe-B/α-Fe异质结构粉末复合磁体及其性能

化学镀法制备Nd-Fe-B/α-Fe异质结构粉末复合磁体及其性能

来源 :2014中国功能材料科技与产业高层论坛 | 被引量 : 0次 | 上传用户：ilovemn
【摘 要】
：
本文通过化学镀方法,在硬磁Nd-Fe-B粉末表面沉积Fe软磁层,形成Nd-Fe-B/α-Fe异质结构磁性粉末；并研究后续热处理对异质结构磁粉磁性能的影响.结果表明,化学镀法Nd-Fe-B硬磁粉末表面沉积的Fe在干燥过程中被氧化成Fe2O3,经过氢还原退火处理,Fe2O3被还原成α-Fe.
【作 者】
：
范晓东 田娜 游才印 
【机 构】
：
材料科学与工程学院,西安理工大学,西安710048
【出 处】
：
2014中国功能材料科技与产业高层论坛
【发表日期】
：
2014年2期
【关键词】
：
化学镀 异质结构粉末 矫顽力 氢还原热处理 
下载到本地 , 更方便阅读
下载此文 赞助VIP
声明 : 本文档内容版权归属内容提供方 , 如果您对本文有版权争议 , 可与客服联系进行内容授权或下架
论文部分内容阅读
　　本文通过化学镀方法,在硬磁Nd-Fe-B粉末表面沉积Fe软磁层,形成Nd-Fe-B/α-Fe异质结构磁性粉末；并研究后续热处理对异质结构磁粉磁性能的影响.结果表明,化学镀法Nd-Fe-B硬磁粉末表面沉积的Fe在干燥过程中被氧化成Fe2O3,经过氢还原退火处理,Fe2O3被还原成α-Fe.
其他文献
ZnO Thin Film Prepared by Two-step Electrodeposition Method for Dye-sensitized Solar Cell
Mesoporous ZnO thin film is an important part of dye-sensitized solar cells (DSSCs) due to it determines the amount of adsorbed dyes.However, small specific surface area of ZnO thin film prepared by o
会议
ZnO thin filmTwo-step electrodeposition methodDSSC
Facile synthesis of CaCO3 and CaCO3∶Eu3+ phosphors by solid state reaction at room temperature and t
The CaCO3 and CaCO3∶Eu3+ phosphors have been synthesized by solid state reaction at room temperature without further sintering treatment.
会议
calcium carbonatesynthesissolid state reactionphosphorsdopingeuropium
水热法制备MoO2纳米棒的自组装生长机理研究
水热条件下，以双氧水和钼粉制备的过氧钼酸溶胶为钼源，乙醇为还原剂制备得到二氧化钼纳米棒。利用X-射线衍射(XRD)、扫描电子显微镜(SEM)以及场发射高分辨透射电子显微镜(HRTEM)对产物的结构与形貌进行表征。
会议
MoO2纳米棒水热生长机理
Influence of fabrication parameter on the nanostructure of SiNWs under HF/AgNO3/Fe (NO3)3 etching sy
Large-area SiNWs has been successfully fabricated through one-step metal-assisted chemical etching process at room temperature.The effects of key fabrication parameters (AgNO3 concentration, Fe (NO3)3
会议
Silicon nanowiresone-step MACEHF/AgNO3/Fe(NO3)3 etchant
Polymerization rate Studies of Cationic photopolymerization of a Cycloaliphatic Epoxy Resin
This article describes the results of an experient of the photochemistry of the Omnicat 650 and 550 photoinitiators and an evaluation of their efficiency in the photopolymerizations of several differe
会议
Cationic photopolymerizationcycloaliphaticphotoactivityconversion
Chemical Structure Changes and Correlation Analysis of High Density Polyethylene after Natural and X
Elucidation of the chemical structure changes that take place of high density polyethylene (HDPE) used as rotational packaging case by attenuated total reflection infrared spectroscopy (ATR-FTIR),when
会议
Natural agingXenon agingChemical structureCorrelationATR-FTIR
SiO2-Al2O3复合除氟剂的制备与性能
实验以铝粉和硅酸钠为主要原料，溶胶凝胶法制备球形SiO2-Al2O3复合除氟剂。采用XRD分析法对样品进行测试和表征，研究了SiO2含量、焙烧温度、焙烧时间和溶液pH值对除氟效果的影响。
会议
SiO2-Al2O3除氟剂硅酸钠溶胶-凝胶法
Measurement of the surface free energy for ceramic glazes
Contact angle data for sets of probe liquids allow the determination of components of solid surface energies which in turn can be used to calculate the work of adhesion of oil to the solid surface.
会议
ceramicsurface free energywork of adhesionnano far-infrared materialscleanab
Synthesis and Properties of Nano-TiO2 modified Fluorine-containing Polyacrylate Soap-free emulsion
Nano-TiO2 modified fluorine-containing polyacrylate soap-free emulsion was successfully synthesized via soap-free emulsion polymerization technique, in which the polymerization monomers consisted of M
会议
nano-TiO2organic fluorinepolyacrylatesoap-free emulsionfabric
La(Fe,Si)13系材料电化学渗氢及其致冷性能
本文采用电化学法对La(Fe,Si)13系材料进行渗氢,通过实验研究电解温度对渗氢过程的影响。采用XRD和SEM对物相及表面形貌进行分析,并利用VSM检测样品的磁性能。实验结果表明：电解温度的提升有助于电化学渗氢反应的进行；
会议
磁制冷电化学渗氢居里温度磁熵变