INVESTGATION ON THE STRUCTURES AND PROPERTIES OF NANOCOMPOSITE PERMANENT MAGNET

机译：纳米复合永磁体的结构与性能研究

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The effect of quenching process, annealing temperature and holding time on the structure and magnetic properties of Nd_(11)Fe_(77.5)Co_(5.2)B_6Zr_(0.3) amorphous ribbon fabricated by melt spinning has been studied. The results have shown that when 35m/s quenched ribbon is annealed for 700℃ x720s the magnetic properties is Br=0.81T, iHc=805KA/m and (BH)_(max)=102KJ/m~3. The microstructure of the two phase nanocomposite consists of soft(α-Fe) and hard(Nd_2Fe_(14)B) magnetic grains. The average grain size is D_(α-Fe)=28nm and D_(Nd2Fe14B)=40nm.

机译：研究了淬火工艺，退火温度和保温时间对熔融纺丝法制备的Nd_（11）Fe_（77.5）Co_（5.2）B_6Zr_（0.3）非晶态薄带的组织和磁性能的影响。结果表明，当35m / s淬火带退火700℃×720s时，其磁性能为Br = 0.81T，iHc = 805KA / m，（BH）_（max）= 102KJ / m〜3。两相纳米复合材料的微观结构由软磁性粒子（α-Fe）和硬磁性粒子（Nd_2Fe_（14）B）组成。平均晶粒尺寸为D_（α-Fe）= 28nm和D_（Nd2Fe14B）= 40nm。

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来源
《International Symposium on Magnetic Industry(ISMI'04) amp; International Symposium on Physics and IT Industry(ISPITI'04); 20041004-08; Shenyang(CN)》|2004年|P.50-51|共2页
会议地点 Shenyang(CN)
作者
Kim Dong Kil; Kang Jong Baek;
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作者单位

Material Engineering Faculty of Kim Chack university Of Technology, Kyogu Dong, Central District, Pyongyang, D.P.R Of Korea;

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正文语种 eng
中图分类磁性材料、铁氧体;
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INVESTGATION ON THE STRUCTURES AND PROPERTIES OF NANOCOMPOSITE PERMANENT MAGNET

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