Indlela ozibuthe be-neodymium enziwa ngayo

Sizochaza ukuthi kanjaniIzibuthe ze-NdFeBzenziwa ngencazelo elula. Uzibuthe we-neodymium uwuzibuthe ongunaphakade owenziwe ngengxubevange ye-neodymium, insimbi, ne-boron ukuze akhe ukwakheka kwe-Nd2Fe14B tetragonal crystalline. Ozibuthe be-neodymium be-Sintered benziwa ngokushisisa nge-vacuum izinhlayiya zensimbi zomhlaba ezingavamile njengezisetshenziswa zokusetshenziswa esithandweni. Ngemuva kokuthola izinto zokusetshenziswa, sizokwenza izinyathelo eziyi-9 zokwenza omazibuthe be-NdFeB futhi ekugcineni sikhiqize imikhiqizo eqediwe.

Lungiselela izinto zokusabela, ukuncibilika, ukugaya, ukucindezela, ukucwilisa, umshini, ukucwenga, ukudonsa amandla kanye nokuhlola.

Lungiselela izinto zokusabela

Ifomu elihlanganisiwe lamakhemikhali likazibuthe we-neodymium yi-Nd2Fe14B.

Omazibuthe bavamise ukunotha ngo-Nd no-B, futhi omazibuthe abaqediwe bavame ukuqukatha iziza ezingezona uzibuthe ze-Nd kanye ne-B kuzinhlamvu, eziqukethe i-Nd2Fe14B kazibuthe kakhulu. okusanhlamvu. Ezinye izakhi zomhlaba ezimbalwa ezingavamile zingangezwa esikhundleni se-neodymium ngokwengxenye: i-dysprosium, i-terbium, i-gadolinium, i-holmium, i-lanthanum, ne-cerium. Ithusi, i-cobalt, i-aluminium, i-gallium ne-niobium ingangezwa ukuthuthukisa ezinye izakhiwo zikazibuthe. Kuyinto evamile ukusebenzisa kokubili i-Co ne-D ndawonye. Zonke izakhi zokwenza omazibuthe bebanga elikhethiwe zifakwa esithandweni sokungeniswa kwe-vacuum, sishisiswe futhi sincibilike ukwenza i-alloy material.

Iyancibilika

Izinto zokusetshenziswa zidinga ukuncibilika esithandweni sokungenisa ivacuum ukuze kwakheka ingxubevange ye-Nd2Fe14B. Umkhiqizo ushiswa ngokwakha i-vortex, konke kungaphansi kwe-vacuum ukuvimbela ukungcola ekungeneni kokusabela. Umkhiqizo wokugcina walesi sinyathelo ishidi elincanyana eliliribhoni (ishidi le-SC) elakhiwe ngamakristalu afanayo we-Nd2Fe14B. Inqubo yokuncibilika idinga ukwenziwa ngesikhathi esifushane kakhulu ukuze kugwenywe ukugcwala ngokweqile kwe-oxidation yezinsimbi zomhlaba ezingavamile.

Ukugaya

Isinyathelo esi-2 sokugaya sisetshenziswa ekusebenzeni kokukhiqiza. Isinyathelo sokuqala, esibizwa ngokuthi i-hydrogen detonation, sibandakanya ukusabela phakathi kwe-hydrogen ne-neodymium nge-alloy, kwephula ama-SC flakes abe yizinhlayiyana ezincane. Isinyathelo sesibili, esibizwa ngokuthi i-jet milling, siguqula izinhlayiya ze-Nd2Fe14B zibe yizinhlayiya ezincane, ezisukela kububanzi obusuka ku-2-5μm. Ukugaya i-Jet kunciphisa izinto eziwumphumela zibe yimpushana yosayizi wezinhlayiyana ezincane kakhulu. Usayizi wezinhlayiyana omaphakathi ungama-microns angu-3.

Iyacindezela

I-NdFeB powder icindezelwa ekubeni okuqinile esimweni esifiswayo endaweni enamandla kazibuthe. Okuqinile okucindezelwe kuzothola futhi kugcine umumo ozibuthe okhethwayo. Ngendlela ebizwa ngokuthi i-die-upsetting, impushana icindezelwa ibe into eqinile endaweni ecishe ibe ngu-725°C. Okuqinile bese kufakwa isikhunta sesibili, lapho kucindezelwa khona kube isimo esibanzi, cishe ingxenye yobude baso bokuqala. Lokhu kwenza isiqondiso samagnetization esithandwayo sihambisane nesiqondiso se-extrusion. Kumajamo athile, kunezindlela ezihlanganisa ama-clamp akhiqiza insimu kazibuthe ngesikhathi sokucindezela ukuqondisa izinhlayiya.

I-Sintering

Okuqinile kwe-NdFeB okucindezelwe kudinga ukucwiliswa ukuze kwakhiwe amabhulokhi e-NdFeB. Izinto zicindezelwa emazingeni okushisa aphezulu (kufika ku-1080 ° C) ngaphansi kwendawo yokuncibilika yezinto kuze kube yilapho izinhlayiya zayo zinamathela komunye nomunye. Inqubo ye-sintering iqukethe izinyathelo ezi-3: i-dehydrogenation, i-sintering kanye ne-temering.

Ukwenza imishini

Ozibuthe be-Sintered asikwa abe yizimo ezifiselekayo nosayizi kusetshenziswa inqubo yokugaya. Okungavamile, izimo eziyinkimbinkimbi ezibizwa ngokuthi izimo ezingavamile zikhiqizwa i-electrical discharge machining (EDM). Ngenxa yezindleko eziphezulu zezinto ezibonakalayo, ukulahleka kwempahla ngenxa yomshini kugcinwa kuncane. I-Huizhou Fullzen Technology inhle kakhulu ekukhiqizeni omazibuthe abangajwayelekile.

I-Plating/Coating

I-NdFeB engahlanganisiwe igqwalile kakhulu futhi ilahlekelwa uzibuthe wayo ngokushesha lapho imanzi. Ngakho-ke, wonke amamagnethi e-neodymium atholakala ngokuthengisa adinga ukunamathela. Ozibuthe ngamunye bahlanganiswe ngezigaba ezintathu: i-nickel, ithusi ne-nickel. Ukuze uthole ezinye izinhlobo zokumboza, sicela uchofoze okuthi “Xhumana nathi”.

Uzibuthe

Umazibuthe ubekwa endaweni eveza uzibuthe endaweni enamandla kazibuthe isikhathi esifushane. Ngokuyisisekelo ikhoyili enkulu esongwe umazibuthe. Amadivayisi azibuthe asebenzisa amabhange e-capacitor kanye nama-voltage aphezulu kakhulu ukuze athole amandla anjalo anamandla ngesikhathi esifushane.

Ukuhlola

Hlola izinga ozibuthe umphumela izici ezihlukahlukene. Iprojektha yokulinganisa yedijithali iqinisekisa ubukhulu. Amasistimu wokulinganisa ukushuba kokumboza asebenzisa ubuchwepheshe be-X-ray fluorescence aqinisekisa ukujiya kwezingubo. Ukuhlola okuvamile ekuhlolweni kwesifutho sikasawoti kanye neziko lokucindezelwa nakho kuqinisekisa ukusebenza kokunamathela. Imephu ye-hysteresis ikala ijika le-BH lamazibuthe, liqinisekisa ukuthi afakwe uzibuthe ngokugcwele, njengoba kulindelekile esigabeni sikazibuthe.

Ekugcineni sithole umkhiqizo ofanele uzibuthe.