Waya/Mkpanaka/Mkpanaka Mu 49 (FeNi50) Dị nro

Ngwakọta nickel ígwè dị nro dị na ntọala nickel ígwè nwere ọnụọgụ dị iche iche nke Co, Cr, Cu, Mo, V, Ti, Al, Nb, Mn, Si na ihe ndị ọzọ dị na alloy, bụ ihe kachasị mma nke ígwè nickel alloy, ụdị ọtụtụ ụdị na nkọwapụta, usoro nha site na mpempe akwụkwọ ígwè silicon na ígwè dị ọcha eletrik. Ma e jiri ya tụnyere ihe ndị ọzọ dị nro nke magnetik, ihe mejupụtara ya na mpaghara geomagnetic nwere ikike magnetik dị elu na ike mmanye dị ala, ụfọdụ alloy nwekwara oghere hysteresis akụkụ anọ, ma ọ bụ ike induction magnetik dị ala na njirimara ikike magnetik na-adịgide adịgide ma nwee ebumnuche pụrụ iche.
Ụdị alloy a nwere ezigbo ihe mgbochi nchara na ihe nhazi, ọdịdị na nha nwere ike ime ka ihe ndị dị mkpa dị oke mma. N'ihi na iguzogide nke alloy ahụ dị elu karịa mpempe ígwè na silicon dị ọcha, a na-ejikwa ya ngwa ngwa ka ọ bụrụ eriri dị gịrịgịrị, nke mere na n'okpuru obere eriri dị gịrịgịrị ole na ole, tinye ya na MHZ ole na ole n'ọtụtụ ugboro dị elu.
Ike ndọta juputara na okpomọkụ Curie nke alloy dị elu karịa ihe ndọta ferrite dị nro, na ụlọ ọrụ ụgbọ elu na ụlọ ọrụ eletrọnịkị ndị ọzọ iji mepụta nnukwu mmetụta uche, nkenke nha, obere olu, obere mfu na ugboro ugboro dị elu, oge na ọnọdụ okpomọkụ na ọrụ nke ihe eletrọnịkị pụrụ iche. Na nkwukọrịta, ngwaọrụ, kọmputa eletrọnịkị, njikwa anya, mmetụta anya na ihe ndị ọzọ ka ejiri mee ihe na sistemụ ahụ.

Ngwakọta magnetik dị nro dị n'ọhịa magnetik na-adịghị ike nke nwere ikike dị elu na ike mmanye dị ala. A na-ejikarị ụdị alloy a eme ihe n'ọtụtụ ebe na ngwa eletrọniki redio, ngwa nkenke na mita, njikwa anya na sistemụ njikwa akpaka, a na-ejikarị njikọta ahụ eme ihe maka mgbanwe ike na nhazi ozi, akụkụ abụọ nke bụ ihe dị mkpa na akụ na ụba mba.

Okwu Mmalite
Ọdụ ndọta dị nro nke dị n'èzí n'okpuru ọrụ nke magnetization dị mfe, isi na-apụ n'anya mgbe ewepụsịrị oghere ndọta nke ike ndọta na alloys magnet.
Ebe njikọ hysteresis dị obere ma dị warara, ike mmanye na-adịkarị n'okpuru 800 a/m, oke iguzogide, mfu nke ugbu a dị obere, oke nnyefe ike dị elu, nnukwu ntinye magnetik. A na-ahazi ya n'ime mpempe akwụkwọ na mpempe akwụkwọ. A kwadebere Melt. A na-ejikarị ya eme ihe maka ngwa eletriki, ụlọ ọrụ nkwukọrịta na ọtụtụ ihe dị mkpa (dịka isi transformer, isi relay iron, choke coil, wdg). A na-ejikarị magnetik dị nro eme ihe nwere obere ígwè eletriki carbon, eminem iron, mpempe ígwè silicon, alloy magnet dị nro, ígwè, cobalt dị nro magnet alloy, nickel iron silicon dị nro magnet alloy, wdg.

Àgwà anụ ahụ
N'okpuru ọrụ nke ebe ndọta mpụga ngwa ngwa mgbe magnetization gasịrị, ma e wezụga na ebe ndọta nke ike ndọta magnet (magnetic induction) na mfu nke ihe ndọta magnet. Mpaghara loop Hysteresis dị obere ma dị warara, ike mmanye (Hc) nkezi erughị 10 Oe (lee alloy ziri ezi). Na ngwụcha narị afọ nke 19, ejiri obere moto ígwè carbon na isi transformer mee ya. Mpempe akwụkwọ ígwè silicon dị elu nke magnetic dochie ngwa ngwa ígwè dị ala nke carbon, nke e ji mee ihe na mmepụta ngwaahịa ụlọ ọrụ ike eletrik. Na 1917, ihe ndọta Ni – Fe gbanwere mkpa dị ugbu a nke sistemụ ekwentị. Mgbe ahụ, ihe ndọta Fe – Co nwere ihe ndọta magnet dị iche iche (1929), Fe – Si – Al alloy (1936) na Fe – Al alloy (1950) iji mezuo ebumnuche pụrụ iche. Na 1953, China malitere imepụta mpempe akwụkwọ ígwè silicon a na-akpọ ọkụ. N'ọgwụgwụ '50s ma malite ịmụ Ni – Fe na ihe ndọta magnet dị nro dịka Fe, Co, 60s malitere iji nwayọọ nwayọọ mepụta ụfọdụ n'ime ihe ndọta magnet dị nro. Na mmepụta nke 70s nke eriri ígwè silicon a kpọchiri akpọchi oyi.
Njirimara magnetik nke ihe ndọta magnetik dị nro bụ isi ihe: (1) ike mmanye (Hc) na obere mfu hysteresis (Wh); (2) resisivity (rho) dị elu, obere mfu ugbu a eddy (We); (3) mmalite permeability (mu 0) na oke kachasị elu

Ụdị ndị bụ isi
Enwere ike kewaa ya n'ime obere ígwè eletriki carbon na eminem ígwè, mpempe akwụkwọ ígwè silicon, nickel iron soft magnet alloy, ígwè, cobalt soft magnet alloy, ígwè, silicon aluminum soft magnet alloy, wdg, n'ihe gbasara ụlọ ọrụ ike eletrik, a na-ejikarị ya eme ihe n'ọhịa magnet dị elu yana nnukwu ndọta magnet na obere mfu isi nke alloy. Na ụlọ ọrụ eletrọnịkị, a na-ejikarị ya eme ihe n'okpuru ala ma ọ bụ ọkara n'okpuru ala magnetik nwere nnukwu permeability na obere coercivity nke alloy. N'okpuru ugboro ugboro dị elu, a ga-enwerịrị eriri dị gịrịgịrị ma ọ bụ resistivity dị elu nke alloy. A na-ejikarị mpempe akwụkwọ ma ọ bụ eriri eme ihe.

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