Imagnethi yeNeodymium luhlobo lwezinto zemagnethi ezisisigxina ezisebenza kakuhle, ezenziwe yineodymium, isinyithi, iboron kunye nezinye izinto. Inemagnethi enamandla kakhulu kwaye okwangoku yenye yezona zinto zinamandla zemagnethi ezisisigxina ezisetyenziswa kurhwebo. Imagnethi yeNeodymium inamandla amakhulu emagnethi kunye nemveliso yamandla emagnethi agqwesileyo. Ke ngoko, isetyenziswa kakhulu kwiindawo ezininzi, kubandakanya ubuchwepheshe be-elektroniki, iimoto zombane, iisensa, iimagnethi, njl.Imagnetism yeNeodymium magnet ivela kwisakhiwo sayo selattice kunye nokulungelelaniswa kweeathomu. Isakhiwo selattice seNeodymium magnet sicwangciswe kakuhle kwaye sikwinkqubo yekristale yeTetragonal. Iiathom zicwangciswe ngendlela eqhelekileyo kwilattice, kwaye amaxesha azo emagnethi ahlala ehambelana, kunye nokusebenzisana okuqinileyo phakathi kwazo. Olu lungiselelo kunye nokusebenzisana okucwangcisiweyo kwenza iNeodymium magnet ibe neempawu ezinamandla zemagnethi.Ubumagnethi beNeodymium magnet bunokulungiswa kwaye buphuculwe ngeenkqubo ezahlukeneyo zokulungiselela kunye neendlela zokucubungula. Umzekelo,Iimagnethi ze-neodymium zaseTshayinaingenziwa ibe ziimagnethi ezineemilo ezintsonkothileyo ngenkqubo ye-powder metallurgy. Ukongeza, amanyathelo anjengonyango lobushushu, unyango lwe-magnetization, kunye nokwaleka nawo anokuthathwa ukuphucula ngakumbi iipropati zayo ze-magnetic kunye nozinzo.Nangona kunjalo, kufuneka kuqatshelwe ukuba iipropati zemagnethi zeNeodymium magnet ziya kuncipha xa kushushu kakhulu. Ubushushu obubalulekileyo bemagnethi yeNeodymium magnet buhlala buphakathi kwama-200-300 ℃. Xa kudlule uludwe lobushushu, amandla emagnethi kunye namandla emagnethi yeNeodymium magnet aya kuba buthathaka kancinci kancinci, okanye alahlekelwe ngokupheleleyo yimagnethi yayo. Ke ngoko, kwizicelo ezisebenzayo, kuyimfuneko ukukhetha ubushushu obufanelekileyo bokusebenza ngokweqondo lobushushu obubalulekileyo bemagnethi yezinto zemagnethi zeNeodymium.

Ⅰ. Iimpawu zemagnethi zeNeodymium magnet kunye nomgaqo wokutshintsha kobushushu

A. Iipropati ezisisiseko zemagnethi yeNeodymium: Imagnethi yeNeodymium luhlobo lwezinto ezinqabileyo zomhlaba ezihlala zihleli zemagnethi ezineempawu ezinamandla kakhulu zemagnethi. Ineempawu zemveliso yamandla aphezulu emagnethi, ukuphinda-phinda okuphezulu kunye nokuqina okuphezulu. Amandla emagnethi yeNeodymium magnet adla ngokuba phezulu kunalawo emagnethi yeFerrite kunye neAluminium nickel cobalt. Oku kwenza imagnethi yeNeodymium isetyenziswe kakhulu kwizicelo ezininzi, ezinje ngeeMotor, iiSensors kunye neemagnethi.

B. Ubudlelwane phakathi kokulungelelaniswa kweeathomu kunye nomzuzu wemagnethi:imagnetism yeNeodymium magnet iqatshelwa ngokusebenzisana kwe-atomic magnetic moment. I-atomic magnetic moment yenziwe yi-spin yee-electron kunye ne-orbital magnetic moment. Xa ezi atoms zicwangciswe kwi-lattice, ukusebenzisana kwazo kwe-magnetic moment kukhokelela ekudalweni kwemagnetism. KwiNeodymium magnet, i-magnetic moment ye-atom ikakhulu ivela kwii-ions ezisixhenxe ze-neodymium ezingabhangqwanga, ezijikeleziswa zikwicala elifanayo ne-orbital magnetic moment. Ngale ndlela, kuveliswa intsimi enamandla yemagnet, nto leyo ebangela imagnetism enamandla yeNeodymium magnet.

C. Isiphumo sotshintsho lobushushu ekulungelelanisweni kweeathom: Ulungelelwaniso kunye nokusebenzisana kweeathom kwi-lattice kuxhomekeka kubushushu. Ngokunyuka kobushushu, intshukumo yobushushu yeeathom iyanda, kwaye ukusebenzisana phakathi kweeathom kubuthathaka, nto leyo ekhokelela ekungazinzini kolungelelwaniso lweeathom. Oku kuya kuchaphazela ukulungelelaniswa kweeathom zemagnethi yeNeodymium, ngaloo ndlela kuchaphazela iimpawu zayo zombane. Kumaqondo obushushu aphezulu, intshukumo yobushushu yeeathom inamandla ngakumbi, kwaye ukusebenzisana phakathi kweeathom kubuthathaka, nto leyo ekhokelela ekubuthathaka kombane kunye namandla ombane wemagnethi yeNeodymium.

D. Ubushushu obubalulekileyo bemagnethi yeNeodymium:Ubushushu obubalulekileyo bemagnethi yeNeodymium bubhekisa kubushushu apho imagnethi yeNeodymium ilahlekelwa khona yimagnethi yayo kubushushu obuphezulu. Ngokubanzi, ubushushu obubalulekileyo bemagnethi yeNeodymium bumalunga nama-200-300 ℃. Xa ubushushu budlula ubushushu obubalulekileyo bemagnethi, ulungelelwaniso lweathomu lwemagnethi yeNeodymium luyatshatyalaliswa, kwaye ulwalathiso lomzuzu wemagnethi lusasazwa ngokungacwangciswanga, nto leyo ebangela ukuba amandla ombane abe buthathaka okanye aphele. Ke ngoko, xa kusetyenzwa, kufuneka kuqwalaselwe ukulawula ubushushu obusebenzayo bemagnethi yeNeodymium ukuze kugcinwe iimpawu zayo ezizinzileyo zemagnethi.

Ⅱ. Impembelelo yobushushu kwimagnethi yeNeodymium magnet

A. Impembelelo yotshintsho lobushushu kwi-magnetization ye-Neodymium magnet:Utshintsho lobushushu luya kuchaphazela ukwenziwa kwemagnethi yeNeodymium. Ngokubanzi, ngokunyuka kobushushu, ukwenziwa kwemagnethi yeNeodymium kuya kuncipha kwaye ijika lemagnethi liya kuba tyaba. Oku kungenxa yokuba ubushushu obuphezulu buya kubangela ukuba idomeyini yemagnethi kwiNeodymium magnet ibe yinto engahambelaniyo, nto leyo ebangela ukwehla kokwenziwa kwemagnethi yeNeodymium.umazibuthe wediski encinci ye-neodymium.

B. Impembelelo yotshintsho lobushushu kwi-Coercivity ye-Neodymium magnet: I-Coercivity ibhekisa ekubeni amandla e-magnetic field asetyenziswayo afikelela kwixabiso elibalulekileyo le-magnetization epheleleyo ye-magnet ngexesha le-magnetization. Utshintsho lobushushu luya kuchaphazela i-Coercivity ye-Neodymium magnet. Ngokubanzi, kubushushu obuphezulu, i-Coercivity ye-Neodymium magnet iya kuncipha, ngelixa kubushushu obuphantsi, i-Coercivity iya kwanda. Oku kungenxa yokuba amaqondo obushushu aphezulu anokunyusa ukuvuseleleka kobushushu beendawo ze-magnetic, okufuna i-magnetic field encinci ukuze i-magnetization iphele.

C. Impembelelo yotshintsho lobushushu kwi-moment damping kunye ne-remanence ye-Neodymium magnet: Ukudambisa umzuzu kubhekisa kwinqanaba lokuncitshiswa komzuzu wemagnethi ngexesha lokutsalwa kwemagnethi, kwaye ukudambisa umzuzu kubhekisa kwinqanaba lokutsalwa kwemagnethi elisenayo iNeodymium magnethi phantsi kwempembelelo yokutsalwa kwemagnethi. Utshintsho lobushushu luya kuchaphazela ukudambisa umzuzu kunye nokutsalwa kwemagnethi yeNeodymium. Ngokubanzi, ukunyuka kobushushu kuya kukhokelela ekwandeni kokudanjiswa komzuzu kwemagnethi yeNeodymium, okwenza inkqubo yokutsalwa kwemagnethi ikhawuleze ngakumbi. Kwangaxeshanye, ukunyuka kobushushu kuya kunciphisa ukudanjiswa kwakhona kwemagnethi yeNeodymium, okwenza kube lula ukulahlekelwa yimagnethi phantsi kwesenzo sokutsalwa kwemagnethi.

Ⅲ.Ukusetyenziswa kunye nolawulo lokulahleka kwemagnethi yeNeodymium

A. Umda wobushushu bokusetyenziswa kweNeodymium magnet: Iipropati zemagnethi zeNeodymium magnet ziya kuchaphazeleka bubushushu obuphezulu, ngoko ke kuyimfuneko ukunciphisa ubushushu bokusebenza beNeodymium magnet kwizicelo ezisebenzayo. Ngokubanzi, ubushushu bokusebenza beNeodymium magnet kufuneka bube ngaphantsi kobushushu bayo obubalulekileyo bemagnethi ukuqinisekisa uzinzo lokusebenza kwemagnethi. Umda othile wobushushu bokusebenza uya kwahluka ngokwezicelo ezahlukeneyo kunye nezixhobo ezithile. Ngokuqhelekileyo kucetyiswa ukuba kusetyenziswe iNeodymium magnet ngaphantsi kwe-100-150 ℃.

B. Ukuqwalaselwa kobushushu kumandla emagnethi kuyilo lwemagnethi: Xa kuyilwa iimagnethi, impembelelo yobushushu kumandla emagnethi yinto ebalulekileyo ekufuneka iqwalaselwe. Ubushushu obuphezulu buya kunciphisa amandla emagnethi eNeodymium magnet, ngoko ke kuyimfuneko ukuqwalasela impembelelo yobushushu obusebenzayo kwinkqubo yoyilo. Indlela eqhelekileyo kukukhetha izixhobo zemagnethi ezinozinzo oluhle lobushushu, okanye ukuthatha amanyathelo okupholisa ukunciphisa ubushushu obusebenzayo bemagnethi ukuqinisekisa ukuba inokugcina amandla emagnethi aneleyo kwiindawo ezinobushushu obuphezulu.

C. Iindlela zokuphucula uzinzo lobushushu bemagnethi yeNeodymium: Ukuze kuphuculwe uzinzo lobushushu bemagnethi yeNeodymium kumaqondo obushushu aphezulu, ezi ndlela zilandelayo zingasetyenziswa: Ukongeza izinto ze-alloy: ukongeza izinto ze-alloy ezifana ne-aluminium kunye ne-nickel kwimagnethi yeNeodymium kunokuphucula ukumelana kwayo nobushushu obuphezulu. Unyango lokugquma umphezulu: unyango olukhethekileyo kumphezulu wemagnethi yeNeodymium, njengokufaka i-electroplating okanye ukugquma umaleko wezinto ezikhuselayo, kunokuphucula ukumelana kwayo nobushushu obuphezulu. Ukulungiswa koyilo lwemagnethi: ngokwenza ngcono isakhiwo kunye nejometri yemagnethi, ukunyuka kobushushu kunye nokulahleka kobushushu bemagnethi yeNeodymium kumaqondo obushushu aphezulu kunokunciphisa, ngaloo ndlela kuphuculwe uzinzo lobushushu. Amanyathelo okuphola: amanyathelo okupholisa afanelekileyo, anje ngolwelo lokupholisa okanye ukupholisa ifeni, anokunciphisa ngempumelelo ubushushu bokusebenza bemagnethi yeNeodymium kwaye aphucule uzinzo lobushushu bayo. Kufuneka kuqatshelwe ukuba nangona uzinzo lobushushu bemagnethi yeNeodymium lunokuphuculwa ngeendlela ezingasentla, imagnethi yemagnethi yeNeodymium inokulahleka kwiindawo ezinobushushu obuphezulu kakhulu ukuba ubushushu bayo obubalulekileyo bemagnethi budluliwe. Ke ngoko, kwizicelo zobushushu obuphezulu, ezinye izixhobo okanye amanyathelo kufuneka ziqwalaselwe ukuhlangabezana nemfuno.

Ukuququmbela

Ukuzinza kobushushu bemagnethi yeNeodymium kubalulekile ukugcina iipropati zayo zemagnethi kunye neziphumo zokusetyenziswa kwayo. Xa uyila kwaye ukhetha imagnethi yeNeodymium, kuyimfuneko ukuqwalasela iimpawu zayo zemagnethi kuluhlu oluthile lobushushu kwaye uthathe amanyathelo afanelekileyo ukugcina ukusebenza kwayo kuzinzile. Oku kungabandakanya ukukhetha izixhobo ezifanelekileyo, ukusebenzisa uyilo lokupakisha okanye lokusasaza ubushushu ukunciphisa iziphumo zobushushu, kunye nokulawula iimeko zokusingqongileyo zotshintsho lobushushu. Inkampani yethu yinkampaniChina neodymium disc iimagnethi mveliso, (Ingakumbi kwimveliso yeiimagnethi zeemilo ezahlukeneyo, inamava ayo) ukuba uyayifuna le mveliso, nceda unxibelelane nathi ngaphandle kokuthandabuza.