✧ Ukubuka konke
Omaginethi be-NIB bafika ngamagreyidi ahlukene, ahambisana namandla amasimu abo kazibuthe, kusukela ku-N35 (obuthakathaka kakhulu futhi ongabizi kakhulu) kuya ku-N52 (onamandla kakhulu, obiza kakhulu futhi obuthakathaka kakhulu). Umaginethi we-N52 unamandla cishe ngo-50% kunemaginethi we-N35 (52/35 = 1.49). E-US, kuvamile ukuthola omaginethi bezinga labathengi ebangeni le-N40 kuya ku-N42. Ekukhiqizweni komthamo, i-N35 ivame ukusetshenziswa uma usayizi nesisindo kungesona into ebalulekile njengoba kungabizi kakhulu. Uma usayizi nesisindo kuyizinto ezibalulekile, amagreyidi aphezulu avame ukusetshenziswa. Kukhona iprimiyamu entengo yamaginethi ezinga eliphezulu ngakho-ke kuvame kakhulu ukubona omaginethi bezinga eliphezulu be-N48 kanye ne-N50 besetshenziswa ekukhiqizweni uma kuqhathaniswa ne-N52.
✧ Ibanga Linqunywa Kanjani?
Omaginethi be-Neodymium noma abaziwa kakhulu ngokuthi yi-NIB, i-NefeB noma ama-super magnet yiwona maginethi okuhweba anamandla kakhulu futhi asetshenziswa kakhulu emhlabeni wonke. Ngokwakheka kwamakhemikhali kwe-Nd2Fe14B, amaginethi e-neo anesakhiwo sekristalu se-tetragonal futhi akhiwe kakhulu ngezinto ze-neodymium, i-Iron ne-Boron. Eminyakeni edlule, i-neodymium magnet ithathe indawo yazo zonke ezinye izinhlobo zamaginethi ahlala njalo ukuze asetshenziswe kabanzi ezinjinini, kuma-elekthronikhi nakwezinye izinto zokuphila zansuku zonke. Ngenxa yomehluko wesidingo samaginethi kanye namandla okudonsa emsebenzini ngamunye, amaginethi e-neodymium atholakala kalula ngamamaki ahlukene. Amaginethi e-NIB ahlelwa ngokwezinto ezenziwe ngazo. Njengomthetho oyisisekelo, amamaki aphezulu, i-magnet izoba namandla kakhulu.
I-nomenclature ye-neodymium ihlala iqala ngo-'N' ilandelwe yinombolo enezinombolo ezimbili ngaphakathi kochungechunge oluvela ku-24 kuya ku-52. Uhlamvu 'N' kumagreyidi e-neo magnets lumelela i-neodymium kanti izinombolo ezilandelayo zimelela umkhiqizo wamandla aphezulu we-magnet othize olinganiswa ku-'Mega Gauss Oersteds (MGOe). I-Mgoe iyisibonakaliso esiyisisekelo samandla wanoma yimuphi umagneti we-neo kanye nobubanzi bensimu yamagnetic ekhiqizwa yiyo kunoma iyiphi imishini noma uhlelo lokusebenza. Nakuba ububanzi bokuqala buqala ngo-N24 nokho, amagreyidi aphansi awasakhiqizwa. Ngokufanayo, ngenkathi amandla omkhiqizo aphezulu kakhulu e-NIB kulinganiselwa ukuthi afinyelela ku-N64 kodwa amazinga aphezulu kangaka wamandla awakahlolwa kwezentengiselwano futhi i-N52 iyibanga eliphakeme kakhulu lamanje le-neo elitholakala kalula kubathengi.
Noma yiziphi izinhlamvu ezengeziwe ezilandela ibanga zibhekisela ezilinganisweni zokushisa zemagnethi, noma mhlawumbe ukungabikho kwayo. Izilinganiso zokushisa ezijwayelekile ziyi-Nil-MH-SH-UH-EH. Lezi zinhlamvu zokugcina zimelela izinga lokushisa eliphezulu lokusebenza okungukuthi izinga lokushisa leCurie elingamelana nemagnethi ngaphambi kokuba lilahlekelwe unomphela amandla alo okudonsa. Uma imagnethi isebenza ngale kwezinga lokushisa leCurie, umphumela uzoba ukulahlekelwa komkhiqizo, ukuncipha kokukhiqiza kanye nokususwa kwamandla okudonsa okungalungiseki ekugcineni.
Kodwa-ke, usayizi obonakalayo kanye nesimo sanoma iyiphi imagnethi ye-neodymium nakho kudlala indima ebalulekile ekhonweni layo lokusebenza ngempumelelo emazingeni okushisa aphezulu. Ngaphezu kwalokho, okunye okufanele ukukhumbule ukuthi amandla emagnethi ekhwalithi enhle alingana nenombolo, ngakho-ke i-N37 ibuthakathaka ngo-9% kuphela kune-N46. Indlela ethembekile kakhulu yokubala ibanga eliqondile lemagnethi ye-neo ukusebenzisa umshini wokuhlola igrafu ye-hysteresis.
I-AH Magnet ingumhlinzeki we-rare earth magnet ogxile ekucwaningeni, ekuthuthukiseni, ekukhiqizeni nasekuthumeleni kwamanye amazwe ama-magnet e-sintered neodymium iron boron asebenza kahle kakhulu, amazinga angu-47 ama-magnets e-neodymium ajwayelekile, kusukela ku-N33 kuya ku-35AH, kanye ne-GBD Series kusukela ku-48SH kuya ku-45AH ayatholakala. Uma unentshisekelo ngemikhiqizo yethu, sicela usithinte manje!
Isikhathi sokuthunyelwe: Novemba-02-2022