EFFECTS OF HDDR PROCESS ON STRUCTURE AND MAGNETIC PROPERTIES OF Nd(Fe,Ti)_(12)N_δ PREPARED BY MECHANICAL ALLOYING

1.IntroductionThec0mparableintrinsicmagneticpropertiesofNd(Fe,Ti)12N6withthose0fNd,Fe,'B1]andthep0ssibility0fpreparingmagnetswithahighc0ercivitybyusingmechanicalall0y-ing(MA)inc0mparis0nwithtraditionalmeth0dsl2'3'4'5]havedrawnextensiveattentioninexploringnewcandidates0frareearthpermanentmagnets(REPM).Especially,thiskindofcompoundhasalowrareearthc0ntent(withoutscarceSm),whichisofbenefittoalow-costproductionofREPM.Ontheotherhand,itiswellknownthatHDDRpreparati0nofREPMcanpr0ducec0ercive…