学科分类
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3 个结果
  • 简介:Theyear2007witnessesthe24~(th)anniversaryoftheinventionofsinteredNdFeBmagnets.MagneticenergyproductofsinteredNdFeBmagnetshasbeenincreasedto474kJ/m~3(59.5MGO_e)fromprimary279kJ/m~3(35MGO_e)in1983.Globaloutputofsinteredmagnetshadrisentoaround50,000tonsin2006fromtessthan1tonin1983.Consideringtheproduction

  • 标签: 铁磁体 烧结型 产量
  • 简介:4.GlobalmagnetindustrycentershiftedEuropewastheglobalmagnetscenterbeforeWorldWarⅡ.Afterwards,ithadshiftedtoUSA.Tilllate1960s,thecenterhadmovedtoJapan.Eventually,itmovedtoChinaatthebeginningof21stcentury.Magnetoutputindifferentcountries(2005)isshowninTable3.

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