Otu esi eme magnetik neodymium

Anyị ga-akọwa otúNdFeB magnetika na-eji nkọwa dị mfe mee ya. Ihe ndọta neodymium bụ ihe ndọta na-adịgide adịgide emere site na alloy nke neodymium, iron, na boron iji mepụta nhazi Nd2Fe14B tetragonal crystalline. A na-eme ihe ndọta neodymium a na-agba agba site na ikuku na-ekpo ọkụ na-adịghị ahụkebe n'ụwa metal dị ka akụrụngwa n'ime ọkụ. Mgbe anyị nwetasịrị akụrụngwa, anyị ga-eme usoro 9 iji mee ndọta NdFeB wee mepụta ngwaahịa emechara.

Kwadebe ihe maka imeghachi omume, agbaze, igwe igwe, ịpị, ịmegharị, igwe, ịkwanye, magnetization na nyocha.

Kwadebe ihe maka ịzaghachi

Ụdị ngwakọta kemịkalụ nke neodymium magnet bụ Nd2Fe14B.

Igwe ndọta na-abụkarị Nd na B bara ụba, na magnetik emechara na-enwekarị saịtị Nd na B na-abụghị magnetik, nke nwere nnukwu magnetik Nd2Fe14B. ọka. Enwere ike ịgbakwunye ọtụtụ ihe ndị ọzọ dị ụkọ n'ụwa iji dochie anya neodymium: dysprosium, terbium, gadolinium, holmium, lanthanum, na cerium. Ọla kọpa, cobalt, aluminom, gallium na niobium nwere ike ịgbakwunye iji melite njirimara ndị ọzọ nke magnet. Ọ bụ ihe a na-ahụkarị iji ma Co na Dy ọnụ. A na-etinye ihe niile iji rụpụta magnetik nke ọkwa ahọpụtara n'ime ọkụ induction na-ekpo ọkụ, kpoo ọkụ na gbazee ka ọ bụrụ ihe alloy.

Na-agbaze

Ọ dị mkpa ka agbaze ihe ndị ahụ n'ime ọkụ induction oghere iji mepụta Nd2Fe14B alloy. Ngwaahịa ahụ na-ekpo ọkụ site na ịmepụta vortex, ihe niile dị n'okpuru oghere iji gbochie mmetọ ịbanye na mmeghachi omume. Ngwaahịa ikpeazụ nke usoro a bụ mpempe akwụkwọ nkedo nke dị gịrịgịrị (SC) nke nwere kristal edo Nd2Fe14B mejupụtara. Ekwesịrị ime usoro mgbaze ahụ n'ime obere oge iji zere oke oxidation nke ọla ndị na-adịghị ahụkebe ụwa.

Ịgba igwe

A na-eji usoro igwe igwe-nzọụkwụ 2 eme ihe n'omume nrụpụta. Nzọụkwụ mbụ, nke a na-akpọ hydrogen detonation, gụnyere mmeghachi omume n'etiti hydrogen na neodymium na alloy, na-agbaji flakes SC n'ime obere irighiri ihe. Nzọụkwụ nke abụọ, nke a na-akpọ jet milling, na-atụgharị ihe irighiri Nd2Fe14B n'ime obere irighiri ihe, sitere na dayameta site na 2-5μm. Egwe ọka jet na-ebelata ihe ndị na-esi na ya pụta ka ọ bụrụ ntụ ntụ nke obere urughuru nha. Nkezi urughuru nha bụ gburugburu 3 microns.

Na ịpị

A na-agbanye ntụ ntụ NdFeB n'ime ihe siri ike n'ụdị a chọrọ na oghere magnetik siri ike. Ihe siri ike abịakọrọ ga-enweta ma jikwaa nghazi magnetization masịrị. Na usoro a na-akpọ die-upsetting, ntụ ntụ na-apịnye n'ime ihe siri ike na ọnwụ n'ihe dịka 725 Celsius. A na-etinye ihe siri ike n'ime ihe nke abụọ, ebe a na-agbanye ya n'ụdị buru ibu, ihe dị ka ọkara nke ịdị elu mbụ ya. Nke a na-eme ka ntụzịaka magnetization masịrị ya na ntụzịaka extrusion. Maka ụfọdụ ụdị, enwere ụzọ na-agụnye clamps na-emepụta oghere magnetik n'oge ịpị iji kwado ụmụ irighiri ihe.

Na-egwu egwu

Ihe siri ike NdFeB etinyere kwesịrị ka amịchaa ka ọ bụrụ ngọngọ NdFeB. A na-ejikọta ihe ahụ na okpomọkụ dị elu (ruo 1080 Celsius) n'okpuru ebe mgbaze nke ihe ahụ ruo mgbe akụkụ ya na-ejikọta ibe ya. Usoro nhazi ahụ nwere usoro atọ: dehydrogenation, sintering na tempering.

Ịrụ igwe

A na-egbutu ihe ndọta ndị a kpụkọrọ akpụkọ n'ụdị na nha ha chọrọ site na iji usoro egweri. Ọ na-adịkarị obere, a na-emepụta ụdị mgbagwoju anya nke a na-akpọ ụdị oge na-adịghị anya site na igwe mgbapụta eletriki (EDM). N'ihi ọnụ ahịa ihe onwunwe dị elu, a na-edobe ihe efu n'ihi igwe na-eme ka ọ dị ntakịrị. Teknụzụ Huizhou Fullzen dị ezigbo mma n'ichepụta magnetik oge niile.

Ekwasa / mkpuchi

NdFeB enweghị mkpuchi na-emebi emebi ma na-atụfu magnetism ya ngwa ngwa mgbe mmiri mmiri. Yabụ, magnetik neodymium niile dị na azụmaahịa chọrọ mkpuchi. A na-etinye ihe ndọta n'otu n'otu n'ụdị atọ: nickel, ọla kọpa na nickel. Maka ụdị mkpuchi ọzọ, biko pịa "Kpọtụrụ Anyị".

Magnetization

A na-etinye ndọta n'ime ihe nrụnye nke na-ekpughe ihe ndọta ahụ na oghere magnetik siri ike maka obere oge. N'ezie, ọ bụ nnukwu eriri igwe ejikọtara na magnet. Ngwa magnetized na-eji ụlọ akụ capacitor na oke voltaji dị elu iji nweta ụdị ike dị otú ahụ n'ime obere oge.

Nyocha

Lelee ogo ndọta ndị a ga-esi na ya pụta maka njirimara dị iche iche. Igwe ihe nleba anya dijitalụ na-enyocha akụkụ. Sistemụ nha nha mkpuchi mkpuchi na-eji teknụzụ X-ray fluorescence na-enyocha ọkpụrụkpụ nke mkpuchi. Nnwale oge niile n'ime ncha nnu na nyocha ihe nrụnye nrụgide na-enyochakwa arụmọrụ nke mkpuchi ahụ. Map hysteresis na-atụ akụkụ BH nke magnets, na-egosi na ha nwere magnetized zuru oke, dịka a tụrụ anya maka klas magnet.

N'ikpeazụ, anyị nwetara ezigbo ngwaahịa magnet.