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ndfeb永
相关语句
  nd-fe-b permanent magnet
     THEORETICAL AND EXPERIMENTAL STUDY ON COE-RCIVITY MECHANISM OF SINTERED Nd-Fe-B PERMANENT MAGNET ALLOYS
     烧结Nd-Fe-B永磁合金矫顽力机制的理论与实验研究
短句来源
     The coercivity dependence of sintered Nd-Fe-B permanent magnet alloys on ori-enting magnetic field was studied.
     从理论和实验上研究了烧结Nd-Fe-B永磁合金的矫顽力随取向磁场的变化规律。
短句来源
  “nd-fe-b永”译为未确定词的双语例句
     DEVELOPMENT TREND AND TACTICS OF Nd-Fe-B PERMANENT MAGNETIC MATERIAL
     Nd-Fe-B永磁材料发展趋势及对策
短句来源
     Investigation on High-Performance Nd-Fe-B Permanent Magnets
     高性能Nd-Fe-B永磁合金
短句来源
     The magnet system consists of Nd-Fe-B permanent magnets with magnetic energy product 255KJ/m3 and magnetic flux level 1.1T.
     磁系由Nd-Fe-B永磁体构成,其磁能积为255KJ/m3,剩余磁感为1.1T。
短句来源
     The contents indude: (1) ultra-thin oriented grain sillicon steelsheet, (2) giant magnetoimpedance wire materials, (3) corrosion-resistance Nd-Fe-B Permanent magnetic materials, (4) amorphous rare-earth permanent magnetic materials, and (Dgiant magnetostriction materials.
     内容包括:(1)超薄晶粒取向硅钢片,(2)巨磁阻抗丝材料,(3)抗腐蚀处理的Nd-Fe-B永磁材料,(4)非晶稀土永磁材料,(5)巨磁致伸缩材料。
短句来源
     The neural network method was applied to the optimization of the prescription of Nd-Fe-B alloy.
     将人工神经网络方法应用于烧结型Nd-Fe-B永磁合金的配方优化设计。
短句来源
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  相似匹配句对
     Investigation on High-Performance Nd-Fe-B Permanent Magnets
     高性能NdFeB磁合金
短句来源
     Nickel─Plating Technology for Nd-Fe-B Permanent Magnetic Magnet
     NdFeB磁材料镀镍
短句来源
     Microstructural study on Nd-Fe-B permanent magnets prepared by hot isostatic pressing sintering
     热等静压烧结Nd-Fe-B磁体
短句来源
     The Nickel-plating Technology for Nd-Fe-B Permanent Magnetic Materials
     NdFeB磁材料镀镍
短句来源
     Temperature Character of Nd-Fe-B Permanent-Magnet
     Nd-Fe-B磁体的温度特性
短句来源
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  nd-fe-b permanent magnet
A drive system consisting of the newly-designed Nd-Fe-B permanent magnet synchronous motor and parallel-MOSFET three-phase inverter for hybrid motorcycle propulsion is established.
      
The production of a Nd-Fe-B permanent magnet by a hydrogen decrepitation/attritor milling route
      
The production of a Nd-Fe-B permanent magnet by a hydrogen decrepitation/attritor milling route
      
Magnetic properties, microstructures and domain structures of arc-plasma sprayed Nd-Fe-B permanent magnet
      
Microhardness studies of a Nd-Fe-B permanent magnet alloy
      
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A ferrofluid sealing system of high pressure-resistant capacity is researched experimentally.A NdFeB permanent magnet is used to be a source of the magnetic field and the sealing medium is BH-1 ferrofluid made at BUAA.The experiments described in this paper show that the sealing system with a single stage on each side of the permanent magnet is able to resist 120~180kPa of pressure drop and with a double stage——225~370kPa.The experiments done by the authors predict that the sealing capacity of this system can...

A ferrofluid sealing system of high pressure-resistant capacity is researched experimentally.A NdFeB permanent magnet is used to be a source of the magnetic field and the sealing medium is BH-1 ferrofluid made at BUAA.The experiments described in this paper show that the sealing system with a single stage on each side of the permanent magnet is able to resist 120~180kPa of pressure drop and with a double stage——225~370kPa.The experiments done by the authors predict that the sealing capacity of this system can be raised further.

一种高性能的铁磁流体密封系统,采用钕铁硼(NdFeB)永磁体作为磁场源,密封介质则使用北京航空航天大学研制的BH-1铁磁流体。实验结果表明,对于每边磁极靴上具有一道密封级的结构,可以提供120~180kPa的耐压能力;而每边具有两道密封级,则可以达到225~370kPa。并且实验预示这种系统的密封耐压能力还有进一步提高的潜力。

The boundary microstructure of the sintered alloy Nd_(15.5)Fe_(77)B_(7.5) hasbeen studied by TEM, ASE and SAED. It may distinguish the boundaries into 4types. The first three types remain the same during annealing, and the 4th changesits microstructure remarkably. The 4th type of boundary microstructure is composedof two different regions, i. e., the central Nd-rich phase and the epitaxial layer ofthe Nd_2Fe_(14)B grains. Owing to the atomic diffusion and other types of masstransport,magnetic hardening occurred...

The boundary microstructure of the sintered alloy Nd_(15.5)Fe_(77)B_(7.5) hasbeen studied by TEM, ASE and SAED. It may distinguish the boundaries into 4types. The first three types remain the same during annealing, and the 4th changesits microstructure remarkably. The 4th type of boundary microstructure is composedof two different regions, i. e., the central Nd-rich phase and the epitaxial layer ofthe Nd_2Fe_(14)B grains. Owing to the atomic diffusion and other types of masstransport,magnetic hardening occurred in the epitaxial layers, thus the coercivity of the alloywill be improved.

用TEM观察了烧结NdFeB永磁合金的内边界显微结构,发现该合金存在4种类型的边界。回火前后前三类边界的形貌没有变化,而第4类边界的显微结构发生了显著的变化。用SAED和AES分析了第4类边界的成分与结构,该边界由两个区域组成,即富Nd相区和Nd_2Fe_(14)B晶粒的外延层。回火时,由于原子的扩散和物质迁移,Nd_2Fe_(14)B晶粒的外延层发生了磁硬化,因而合金的矫顽力得到提高。

Study on the development of Nd-Fe-B permanent-magnet material and its major applications are presented in this paper.

介绍了NdFeB永磁材料的研究、开发现状及主要的应用领域。

 
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