磁能积

添加Cr元素可提高内禀矫顽力，从而提高最大磁能积。

The addition of Cr element shows to be significantly advantageous in increasing the intrinsic coercivity and maximum magnetic energy product .

结果表明，适量Ga元素的添加能有效提高磁体退磁曲线的方形度，进而提高磁体的最大磁能积。

The results suggest that adding proper gallium could improve the squareness of the demagnetization curve and increase the maximum energy product of the magnets .

H（ci）与最大磁能积（（BH）（max））随预烧结温度的增加而线性增加，尤其是在高温阶段。

H_ ( ci ) increased greatly with pre-sintering temperature increasing , especially at high temperature .

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。

The magnet system consists of Nd-Fe-B permanent magnets with magnetic energy product 255KJ / m3 and magnetic flux level 1.1T .

回火处理能够极大地提高添加Nb后的烧结Nd-Fe-B磁体的矫顽力，而对其最大磁能积的影响不大。

The intrinsic coercivity of sintered Nd-Fe-B magnets with Nb addition can be greatly improved by annealing treatment , and annealing treatment has little effect on maximum energy product of sintered magnets .

用HD工艺制备的NdFeAlB烧结磁体（HD磁体）的矫顽力比传统球磨（BM）工艺的高，但剩磁及磁能积较低；

The results show that the coercivity of HD magnet is higher than that of traditional ball milling ( BM ) magnet , while the remanence and the maximum product energy are lower .

α-Fe相中原子磁矩的转动受Nd2Fe（14）B相的控制，因而这种磁体具有高剩磁和高磁能积的优点。

The rotation of magnetic moments in the a-Fe phase is controlled by Nd_2Fe_ ( 14 ) B phase through exchange coupling effect , which gives this magnet high remanence and high-energy product .

实验中发现，当外加磁场达到10T时，材料的磁能积提高了30%。

It can be found that the magnetic properties improves with the 30 % increasing in ( BH ) m when magnetic field reaches 10T .

并且研究了约化剩磁、内禀矫顽力和最大磁能积随晶粒尺寸a和软磁相含量fm的变化。

The behavior of the reduced remanence , the intrinsic coercivity and the change of maximum magnetic energy product with the grain size , a , and the content of the soft phase , fm , have been studied .

与常规的2：17稀土永磁合金相比，合金的矫顽力iHc和最大磁能积（BH）（max）分别提高48kA/m和16kJ/m~3左右。

Intrinsic coercive force , iHc and energy product . ( BH ) _ ( max ) can be increased to about 48kA / m and 16kJ / m ~ 3 respectively when compared with those of conventional 2 : 17 rare earth alloy .

本文论述高磁能积永磁材料钕铁硼（Nd-Fe-B）出现后，磁技术在石油开采与输送方面的应用。

This paper describes the application of magnetic technique to the production and transport of petroleum since the advent of neodymium-iron-boron ( Nd-Fe-B ), a permanent magnetic material with high magnetic energy product , magnetizing treatment of crude oil was carried out by a cohesive strong ma .

纳米复合永磁材料是指由纳米尺度的硬磁和软磁性相彼此均匀弥散分布，通过相邻原子磁矩交换耦合作用而形成的复合体，理论磁能积高达1000kJ/m3（125MGOe）。

Nano-composite materials consist of both nano-scaled hard and soft phase , which get excellent magnetic performance through exchange coupling between their neighboring atomic magnetic moment . Its potential upper limit of maximum energy product is as high as 1000 kJ / m3 ( 125MGOe ) .

具有较高的磁能积、极低的温度系数，其使用温度可高达300度。

Its biggest advantage is its high working temperature & 300 degree centigrade .

高磁能积稀土钴永磁合金的非平衡凝固过程

Nonequilibrium solidification processes of rare earth cobalt permanent magnetic alloys with high energy products

高磁能积低温度系数的铁基永磁合金的磁性能与组织结构

The Magnetic Properties and Microstructure of Fe-based Permanent Magnet with High Energy Product and Low Temperature Coefficient

讨论了理论与实验中都能实现最大磁能积的薄膜厚度区域。

The thickness regions at which the theoretical and practical giant energy products can be achieved have been discussed .

文章介绍了用作磁道钉的永磁材料的主要性能，如剩磁、矫顽力和磁能积及稳定性，并以此为主要内容研究磁道钉的永磁特性；

The primary performance of the permanent magnet was depicted , such as remanence , coercive force , magnetic energy accumulation and stability .

高磁能积磁体的最佳组织为晶粒均匀、细小、呈球形，没有聚集成块的富钕相和富硼相存在。

The optimum structure for high magnetic energy product is fine , homogeneous and globular grain without concentrated rich neodymium phase and rich boron phase .

特别是在马达的应用方面，不仅需要高稳定性的高磁能积磁体，而且还要求烧结磁体低成本。

Especially for their applications in the motor , it requires high temperature stability , high maximum energy product and low cost for sintered Nd-Fe-B magnets .

与淬态样品相比，剩磁、矫顽力、磁能积分别提高了18.1%、48.7%、95.0%。

Compared to the as-quenched samples , remnant magnetism , coercive force and maximum magnetic energy product increase by 18.1 % , 48.7 % and 95.0 % .

实验结果表明：时效处理对同一成分合金的密度和剩磁基本没有影响，对矫顽力和磁能积有较大影响；

The results of the experiments show that aging treatment has no influence on sample 's density and remanence , but has great influence on intrinsic coercivity and magnetic energy products .

但电机体积主要受定子损耗引起的发热和温升的限制，与永磁材料的磁能积无关。

The machine volume is mainly limited by heating and a rise in temperature which results from the losses in the stator , it is independent of magnetic energy of PM materials .

它不同于电励磁的凸极同步发电机，而是采用高磁能积的永磁材料作为磁极，就省去了励磁绕组产生的损耗，使得电机的结构变得简单，效率也随之提高。

PMSG is different with salient pole Synchronous generator and its poles are made of the rare earth material with high BH product , which avoids the excitation losses , makes the generator structure simpler with high efficiency .

通过在制粉过程中加入适量的有机添加剂，并且在烧结过程中排出，可以制备出剩磁偏差度小于±1%，磁能积偏差度小于±2%的磁体。

It is possible to achieve sintered Nd-Fe-B magnets with a variation of ± 1 % for remanence and ± 2 % for energy product by joining organic additive of suitable quantity in preparation powder course and removing in sintering course .

磁体在1205～1210℃烧结时有较高的磁性能，内禀矫顽力超过1910kA/m，最大磁能积达到210kJ/m3，温度过高或过低都使磁体性能下降；

The permanent magnets have better magnetic properties at sintering temperature between 1205 ℃ and 1210 ℃: intrinsic coercivity 1910kA / m and maximum magnetic energy product 210kJ / m 3 , and magnetic properties will decease above or below the temperature ;

添加适量的润滑剂可以防止粉末颗粒团聚、明显地减小摩擦力，改善粉末流动性，提高磁体的取向度、剩磁与磁能积。

The addition of lubricant with suitable dose can slightly prevent the aggregation of powders , obviously decrease the friction between the powder particles , improve the powder flowability , and increase the alignment degree , remanent magnetization and energy product density of sintered magnets .

在用这种磁粉制备粘结磁体时，随着施加的取向磁场强度的逐渐增强，磁体的剩磁、矫顽力和磁能积不同程度地增大，其永磁性能明显提高。

When applying an alignment magnetic field to powders bing bonded , the remanence , the coercivity and the maximum energy product of the magnet all increase in different degrees , and the hard magnetic properties for magnets obviously improve as the alignment field strength .