I-Neodymium magnet uhlobo lwezinto ezisebenza kahle kakhulu ezisebenza ngogesi, ezakhiwe nge-neodymium, insimbi, i-boron nezinye izinto. Ine-magnetism enamandla kakhulu futhi okwamanje ingenye yezinto ezisebenza ngogesi ezinamandla kakhulu ezisetshenziswa kwezentengiselwano. I-Neodymium magnet inamandla amakhulu kakhulu e-magnetic field kanye nomkhiqizo omuhle kakhulu wamandla kazibuthe kanye namandla kazibuthe. Ngakho-ke, isetshenziswa kabanzi emikhakheni eminingi, kufaka phakathi ubuchwepheshe be-elekthronikhi, ama-motor kagesi, izinzwa, oma-magnet, njll.I-magnetism ye-Neodymium magnet ivela esakhiweni sayo se-lattice kanye nokuqondana kwama-athomu. Isakhiwo se-lattice se-Neodymium magnet sihlelwe kahle kakhulu futhi singesohlelo lwekristalu le-Tetragonal. Ama-athomu ahlelwe ngendlela ejwayelekile ku-lattice, futhi izikhathi zawo ze-magnetic zihlala zihambisana, ngokuxhumana okuqinile phakathi kwawo. Lokhu kuhlelwa okuhlelekile kanye nokusebenzisana kwenza i-Neodymium magnet ibe nezakhiwo ezinamandla ze-magnetic.Ubude bemagnethi ye-Neodymium bungalungiswa futhi buthuthukiswe ngezinqubo ezahlukene zokulungiselela kanye nezindlela zokucubungula. Isibonelo,Ama-magnet e-neodymium aseShayinakungenziwa omazibuthe abanezimo eziyinkimbinkimbi ngenqubo yokusansimbi eyimpuphu. Ngaphezu kwalokho, izinyathelo ezifana nokwelashwa kokushisa, ukwelashwa kokwenza ugesi ube namandla, kanye nokugqoka kungathathwa ukuze kuthuthukiswe izakhiwo zawo ezisebenza ngamandla kanye nokuqina.Kodwa-ke, kufanele kuqashelwe ukuthi izakhiwo zikamazibuthe ze-Neodymium magnet zizoncishiswa emazingeni okushisa aphezulu. Izinga lokushisa likamazibuthe elibalulekile le-Neodymium magnet ngokuvamile liphakathi kuka-200-300 ℃. Lapho izinga lokushisa lidlula, amandla kamazibuthe kanye namandla kamazibuthe e-Neodymium magnet azoncipha kancane kancane, noma alahlekelwe ngokuphelele amandla awo kamazibuthe. Ngakho-ke, ekusetshenzisweni okungokoqobo, kuyadingeka ukukhetha izinga lokushisa elifanele lokusebenza ngokuya ngezinga lokushisa likamazibuthe elibalulekile lezinto zikamazibuthe ze-Neodymium.

Ⅰ. Izakhiwo zikagesi ze-Neodymium magnet kanye nesimiso sokushintsha kwezinga lokushisa

A. Izakhiwo eziyisisekelo zikamazibuthe ze-Neodymium magnet: I-Neodymium magnet uhlobo lwezinto ezihlala njalo ezingavamile zomhlaba ezinezakhiwo ezinamandla kakhulu ze-magnetic. Inezici zomkhiqizo wamandla aphezulu we-magnetic, i-remanence ephezulu kanye ne-Coercivity ephezulu. Amandla e-magnetic magnetic e-Neodymium magnet ngokuvamile aphezulu kunalawo e-ferrite kanye ne-aluminium nickel cobalt magnet. Lokhu kwenza i-Neodymium magnet isetshenziswe kabanzi ezinhlelweni eziningi, njengezinjini, izinzwa kanye nama-magnet.

B. Ubudlelwano phakathi kokulungiswa kwe-athomu kanye nomzuzu wamagnetic:i-magnetism ye-Neodymium magnet iqashelwa ngokusebenzisana kwe-atomic magnetic moment. I-atomic magnetic moment yakhiwa ukujikeleza kwama-electron kanye ne-orbital magnetic moment. Uma lawa ma-athomu ehlelwe ku-lattice, ukusebenzisana kwawo kwe-magnetic moment kuholela ekwakhiweni kwe-magnetism. Ku-Neodymium magnet, i-magnetic moment ye-athomu ivela kakhulu kuma-ion ayisikhombisa e-neodymium angabhangqiwe, okujikelezwa kwawo kufana ne-orbital magnetic moment. Ngale ndlela, kukhiqizwa insimu enamandla yamagnetic, okuholela ku-magnetism enamandla yamagnet ye-Neodymium.

C. Umphumela wokushintsha kwezinga lokushisa ekulinganisweni kwe-athomu: Ukuhleleka kanye nokusebenzisana kwama-athomu ku-lattice kunqunywa izinga lokushisa. Ngokukhuphuka kwezinga lokushisa, ukunyakaza kwe-Thermal kwama-athomu kuyanda, futhi ukusebenzisana phakathi kwama-athomu kuyancipha, okuholela ekungazinzini kokuhleleka okuhlelekile kwama-athomu. Lokhu kuzothinta ukuhambisana kwe-athomu kwe-Neodymium magnet, ngaleyo ndlela kuthinte izakhiwo zayo zamagnetic. Emazingeni okushisa aphezulu, ukunyakaza kwe-Thermal kwama-athomu kunamandla kakhulu, futhi ukusebenzisana phakathi kwama-athomu kuyancipha, okuholela ebuthakathakeni be-magnetization kanye namandla amagnetic e-Neodymium magnet.

D. Izinga lokushisa elibalulekile likamazibuthe we-Neodymium magnet:Izinga lokushisa elibalulekile likamazibuthe le-Neodymium magnet libhekisela ezingeni lokushisa lapho i-Neodymium magnet ilahlekelwa khona amandla ayo okuzibamba ekushiseni okuphezulu. Ngokuvamile, izinga lokushisa elibalulekile likamazibuthe le-Neodymium magnet lingaba ngu-200-300 ℃. Lapho izinga lokushisa lidlula izinga lokushisa elibalulekile likamazibuthe, ukuhambisana kwe-athomu kukamazibuthe we-Neodymium kuyabhujiswa, futhi isiqondiso sesikhathi sikamazibuthe sisatshalaliswa ngokungahleliwe, okuholela ekubuthakathakeni noma ekulahlekelweni ngokuphelele kwamandla okuzibamba kanye namandla okuzibamba. Ngakho-ke, ekusetshenzisweni, kufanele kuqashelwe ukulawula izinga lokushisa lokusebenza likamazibuthe we-Neodymium ukuze kugcinwe izakhiwo zawo ezizinzile zikamazibuthe.

Ⅱ. Ithonya lokushisa kumagnetism kamagnethi we-Neodymium

A. Ithonya lokushintsha kwezinga lokushisa ekuzibophezeleni kwe-Neodymium magnet:Ukushintsha kwezinga lokushisa kuzothinta ukukhanyiswa kwemagnethi ye-Neodymium. Ngokuvamile, ngokukhuphuka kwezinga lokushisa, ukukhanyiswa kwemagnethi ye-Neodymium kuzoncipha futhi ijika lokukhanyiswa lizoba yisicaba. Lokhu kungenxa yokuthi izinga lokushisa eliphezulu lizobangela ukuthi isizinda semagnethi kumagnethi ye-Neodymium sibe esingajwayelekile, okuholela ekunciphiseni ukukhanyiswa kwemagnethi.umazibuthe wediski encane ye-neodymium.

B. Ithonya lokushintsha kwezinga lokushisa ku-Coercivity ye-Neodymium magnet: Ukuzikhandla kubhekisela ekutheni amandla ensimu kazibuthe asetshenziswayo afinyelela inani elibalulekile lokuzikhandla okuphelele kukazibuthe ngesikhathi sokuzikhandla. Ukushintsha kwezinga lokushisa kuzothinta ukuzikhandla kukazibuthe we-Neodymium. Ngokuvamile, ekushiseni okuphezulu, ukuzikhandla kukazibuthe we-Neodymium kuzoncipha, kanti ekushiseni okuphansi, ukuzikhandla kuzokhula. Lokhu kungenxa yokuthi amazinga okushisa aphezulu angakhuphula ukufudumeza kwezizinda kazibuthe, kudingeke insimu kazibuthe encane ukuze kufakwe ukazibuthe wonke.

C. Ithonya lokushintsha kwezinga lokushisa ekuncipheni kwesikhashana kanye nokubuyela emuva kwemagnethi ye-Neodymium: Ukudambisa okwesikhashana kubhekisela ezingeni lokuncishiswa kwe-magnetic moment ngesikhathi sokuzibutha kwemagnet, kanti ukudambisa kabusha kubhekisela ezingeni lokuzibutha okusekhona kumagnet we-Neodymium ngaphansi komphumela we-demagnetization. Ukushintsha kwezinga lokushisa kuzothinta ukudambisa okwesikhashana kanye nokuvuselelwa kwemagnet we-Neodymium. Ngokuvamile, ukwanda kwezinga lokushisa kuzoholela ekwandeni kokudambisa okwesikhashana kwemagnet we-neodymium, okwenza inqubo yokuzibutha isheshe kakhulu. Ngesikhathi esifanayo, ukukhuphuka kwezinga lokushisa kuzophinde kunciphise ukudambisa kabusha kwemagnet we-Neodymium, okwenza kube lula ukulahlekelwa yi-magnetization ngaphansi kwesenzo se-demagnetization.

Ⅲ.Ukusetshenziswa nokulawulwa kokulahlekelwa yimagnethi ye-Neodymium

A. Umkhawulo wokushisa wokusetshenziswa kwe-Neodymium magnet: Izakhiwo zikagesi ze-Neodymium magnet zizothinteka yizinga lokushisa eliphezulu, ngakho-ke kuyadingeka ukunciphisa izinga lokushisa lokusebenza kwe-Neodymium magnet ezisetshenziswayo. Ngokuvamile, izinga lokushisa lokusebenza kwe-Neodymium magnet kufanele libe ngaphansi kwezinga lokushisa layo elibalulekile le-magnetic ukuqinisekisa ukuzinza kokusebenza kwe-magnetic. Umkhawulo wokushisa osebenzayo othize uzohluka ngokuya ngezinhlelo zokusebenza ezahlukene nezinto ezithile. Ngokuvamile kunconywa ukusebenzisa i-Neodymium magnet ngaphansi kuka-100-150 ℃.

B. Ukucatshangelwa kwezinga lokushisa emandleni kazibuthe ekwakhiweni kwamagnethi: Lapho uklama omazibuthe, ithonya lokushisa emandleni kazibuthe liyisici esibalulekile okufanele usicabangele. Izinga lokushisa eliphezulu lizonciphisa amandla kazibuthe omazibuthe we-Neodymium, ngakho-ke kubalulekile ukucabangela ithonya lokushisa lokusebenza enkambisweni yokuklama. Indlela evamile ukukhetha izinto ezisebenzisa omazibuthe ezinokuqina okuhle kwezinga lokushisa, noma ukuthatha izinyathelo zokupholisa ukunciphisa izinga lokushisa lokusebenza komazibuthe ukuqinisekisa ukuthi ingagcina amandla kazibuthe anele ezindaweni ezinokushisa okuphezulu.

C. Izindlela zokuthuthukisa ukuzinza kwezinga lokushisa kwe-Neodymium magnet: Ukuze kuthuthukiswe ukuzinza kwezinga lokushisa kwe-Neodymium magnet emazingeni okushisa aphezulu, izindlela ezilandelayo zingasetshenziswa: Ukwengeza izakhi ze-alloy: ukwengeza izakhi ze-alloy njenge-aluminium ne-nickel ku-Neodymium magnet kungathuthukisa ukumelana kwayo nokushisa okuphezulu. Ukwelashwa kokumboza okungaphezulu: ukwelashwa okukhethekile ebusweni be-Neodymium magnet, njengokufaka i-electroplating noma ukumboza ungqimba lwezinto ezivikelayo, kungathuthukisa ukumelana kwayo nokushisa okuphezulu. Ukulungiswa komklamo we-magnet: ngokwenza ngcono isakhiwo kanye ne-geometry ye-magnet, ukukhuphuka kwezinga lokushisa kanye nokulahlekelwa ukushisa kwe-Neodymium magnet emazingeni okushisa aphezulu kungancishiswa, ngaleyo ndlela kuthuthukiswe ukuzinza kwezinga lokushisa. Izinyathelo zokupholisa: izinyathelo ezifanele zokupholisa, njengoketshezi lokupholisa noma ukupholisa ifeni, zinganciphisa ngempumelelo izinga lokushisa lokusebenza kwe-Neodymium magnet futhi zithuthukise ukuzinza kwayo kwezinga lokushisa. Kufanele kuqashelwe ukuthi yize ukuzinza kwezinga lokushisa kwe-Neodymium magnet kungathuthukiswa ngezindlela ezingenhla, amandla okudonsa e-Neodymium magnet angalahleka ezindaweni ezishisa kakhulu uma izinga lokushisa layo elibucayi le-magnetic lidlula. Ngakho-ke, ekusetshenzisweni kwezinga lokushisa eliphezulu, ezinye izinto noma izinyathelo ezihlukile kudingeka zicatshangelwe ukuze kuhlangatshezwane nesidingo.

Ekuphetheni

Ukuqina kwezinga lokushisa kwe-Neodymium magnet kubalulekile ukuze kulondolozwe izakhiwo zayo zamagnetic kanye nemiphumela yokusetshenziswa. Lapho uklama futhi ukhetha i-Neodymium magnet, kubalulekile ukucabangela izici zayo zamagnetization ebangeni elithile lokushisa futhi uthathe izinyathelo ezifanele ukugcina ukusebenza kwayo kuzinzile. Lokhu kungafaka phakathi ukukhetha izinto ezifanele, ukusebenzisa ukupakisha noma ukwakheka kokusabalalisa ukushisa ukunciphisa imiphumela yokushisa, kanye nokulawula izimo zemvelo zokushintsha kwezinga lokushisa. Inkampani yethu iyi-Ifektri ye-China neodymium disc magnets, (Ikakhulukazi ekukhiqizweni kweomaginethi bezimo ezahlukene, inokuhlangenwe nakho kwayo) uma uyidinga le mikhiqizo, sicela usithinte ngaphandle kokungabaza.