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首页> 外文会议>International Symposium on Designing, Processing and Properties of Advanced Engineering Materials(ISAEM 2003) pt.1; 20031105-20031108; Jeju Island; KR >Axial Pressing Method Using Pulse Magnetizing Field For The Preparation of Nd-Fe-B Sintered Magnets
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Axial Pressing Method Using Pulse Magnetizing Field For The Preparation of Nd-Fe-B Sintered Magnets

机译：脉冲磁化轴向加压法制备Nd-Fe-B烧结磁体

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摘要

A new axial pressing method using pulse magnetizing field was studied to improve the remanence of Nd-Fe-B sintered magnets. In pulsed axial die pressing(PADP) process , tapping density of powders, method of pulse supply and strength of pulse field were optimized to increase magnetic alignment and remanence. As a results, we could find that an axial pressing under pulse magnetizing field was very effective to increase the degree of magnetic alignment of powder, yielding remanences even higher than those obtained by the transverse die pressing. The remanence of 14.1 kG was easily obtained by PADP process from 31R-68TM-1B (in wt.%) sintered magnet.
机译：为了提高Nd-Fe-B烧结磁体的剩磁，研究了一种利用脉冲磁化磁场的新型轴向压制方法。在脉冲轴向模压（PADP）过程中，对粉末的振实密度，脉冲供应方法和脉冲场强度进行了优化，以提高磁对准和剩磁。结果，我们发现在脉冲磁化磁场下进行轴向压制对于提高粉末的磁取向度非常有效，产生的剩磁甚至比通过横向模压获得的剩磁更高。通过PADP法容易地从31R-68TM-1B（重量％）烧结磁体获得14.1kG的剩磁。

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