内禀矫顽力

Nd2（Fe（1-x）Mnx）（14）B的低温内禀矫顽力

Intrinsic coercivity at low temperatures in nd_2 ( fe_ ( 1-x ) mn_x ) _ ( 14 ) b

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 .

随着取向磁场强度的逐渐增加，磁体剩磁Br及矫顽力bHc增加较大但其内禀矫顽力iHc则基本不变；

As alignment magnetic field increases , the remanence and coercivity bHc of bonded magnet tend to increase significantly while the coercivity iHc is almost unchanged .

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 .

铝具有提高Nd-B-Fe磁体内禀矫顽力的效果。

Aluminum was found to have the effect on increasing the intrinsic coercivity of Nd-B-Fe magnet .

磁体的B-H退磁曲线在500℃时保持为直线，内禀矫顽力温度系数β（25℃~500℃）为–0.16%/℃，最高使用温度达到533℃。

The B-H demagnetization curve maintained at a straight line at 500 ℃, the intrinsic coercivity coefficient β ( 25 ℃ ~ 500 ℃) was - 0.16 % / ℃, and the maximum operating temperature was up to 533 ℃ .

一是要求硬磁相有尽可能高的内禀矫顽力和尽可能高的磁晶各向异性；

One is that the hard magnet phase must bear intrinsic coercive force as high as possible .

在前面测试基础上，结合永磁体的磁性参数之间的关系以及退磁曲线与内禀矫顽力曲线的性质，分析推导出影响热稳定性的两个主要参数拐点位置和温度系数的计算公式。

Basing on the measurement results before and combined with the relationship of magnetic parameters of permanent magnet and the character of demagnetization curve , calculating formulas of the position of knee point and temperature coefficient were analyzed and given .

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 ;

粉体粒度小可以避免多晶颗粒的比例，提高磁粉的取向度，同时单晶颗粒也有利于抑制反磁化核的形成，提高内禀矫顽力。

Due to the reduced proportion of crystalline particles and nice magnetic orientation degree , high performance magnetic materials can be prepared . Meanwhile single-crystal particles which is also conducive to inhibit the formation of anti-magnetic core can improve the intrinsic coercivity .