简介:Theyear2007witnessesthe24~(th)anniversaryoftheinventionofsinteredNdFeBmagnets.MagneticenergyproductofsinteredNdFeBmagnetshasbeenincreasedto474kJ/m~3(59.5MGO_e)fromprimary279kJ/m~3(35MGO_e)in1983.Globaloutputofsinteredmagnetshadrisentoaround50,000tonsin2006fromtessthan1tonin1983.Consideringtheproduction
简介:4.GlobalmagnetindustrycentershiftedEuropewastheglobalmagnetscenterbeforeWorldWarⅡ.Afterwards,ithadshiftedtoUSA.Tilllate1960s,thecenterhadmovedtoJapan.Eventually,itmovedtoChinaatthebeginningof21stcentury.Magnetoutputindifferentcountries(2005)isshowninTable3.