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氢爆碎(HD)工艺对Nd-Fe-B磁体的制备、微结构和磁性能的影响

Influence of Hydrogen Decrepitation on the Preparation,Microstructure and Magnetic Properties of Nd-Fe-B Magnets

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【作者】 朱旭霞徐卫红张书凯祝景汉

【Author】 ZHU Xu-xia1,XU Wei-hong2,ZHANG Shu-kai3,ZHU Jing-han4 1.Department of Mechanical Engineering,Ningbo Engineering College,Ningbo 315016,China;2.Department of Chemical Engineering,Ningbo Engineering College,Ningbo 315016,China;3.Ningbo Yunsheng Corporation,Ningbo 315040,China;4.Central Iron & Steel Research Institute,Beijing 100081,China

【机构】 宁波工程学院机械系宁波工程学院化工系宁波韵升集团北京钢铁研究总院 浙江宁波315016浙江宁波315016浙江宁波315040北京100081

【摘要】 选用40HP和40SHP牌号合金铸锭分别采用氢爆碎和传统制粉工艺制备了烧结磁体,研究了氢爆碎工艺及烧结温度对磁体的微观组织和磁性能的影响。结果表明,HD工艺能明显提高NdFeB磁体的磁性能。

【Abstract】 In this paper,hydrogen decrepitation(HD)and conventional powder making method were respectively applied to the production of powder for 40HP and 40SHP magnets.Influence of the two methods on the microstructure and magnetic properties of sintered NdFeB permanent magnets was investigated.The results show that magnetic properties of NdFeB permanent magnet made from HD powder is evitably improved.

  • 【文献出处】 磁性材料及器件 ,Journal of Magnetic Materials and Devices , 编辑部邮箱 ,2005年06期
  • 【分类号】TM271
  • 【被引频次】4
  • 【下载频次】295
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