Codsiga walxaha magnetka ferrite

2023-02-07

Codsiga walxaha magnetka ferrite


Maaddada Ferrite magnet waa ferromagnetic oksaydh bir ah. Marka la eego sifooyinka korantada, iska caabinta ferrite waa aad uga weyn tan birta iyo walxaha magnetic alloy, sidoo kale waxay leedahay hawlaha dielectric sare. Shaqada magnetic ee ferrite waxay sidoo kale muujinaysaa sare magnetic permeability at soo noqnoqoshada sare. Sidaa darteed, walxaha magnetka ferrite waxay noqotay maaddo bir ah oo caadi ah oo aan bir ahayn oo loogu talagalay soo noqnoqda sare iyo daciifnimada xadka hadda. Sababo la xiriira tamarta birlabeedka hoose ee lagu hayo mugga cutubkiiba ferrite iyo magnetization saturation hoose, ferrite waa ku xaddidan yihiin codsiyada u baahan cufnaanta tamarta magnetic sare ee soo noqnoqoshada hoose iyo sare caqabadaha awoodda.

 

Magnet-ka Ferrite waxaa lagu soo saaraa budo biraha. Waxay inta badan u qaybsan yihiin laba nooc: barium (Ba) iyo strontium (Sr), waxaana loo qaybiyaa laba nooc: anisotropic iyo isotropic. Waa a magnet joogto ah oo aan sahlanayn in la kala gooyo oo aan sahlanayn in la daxaleeyo. The maaddada, oo leh heerkulka shaqada ugu badnaan 250 darajo Celsius, waa xad adag oo jajaban. Waxa lagu gooyn karaa oo lagu farsamayn karaa qalab ay ka mid yihiin ciid dheeman ah, waxaana la samayn karaa hal mar oo leh caaryo la farsameeyay oo daawaha ah. Alaabta noocan oo kale ah ayaa si weyn loogu isticmaalaa matoorada magnetka joogtada ah (Motor) iyo kuwa ku hadla (Hadalsame) iyo meelo kale. Inta badan lagu dabaqi karo isgaarsiinta, baahinta, xisaabinta, xakamaynta tooska ah, radar navigation, meel bannaan, dayax gacmeed isgaarsiinta, cabbirka qalabka, daabacaadda, daaweynta wasakhowga, biomedicine, gaadiidka xawaaraha sare leh, iwm.

 

Ferrite waxay ka tirsan tahay qaybta semiconductors ee elektaroonigga ah, sidaas darteed waxaa sidoo kale loo yaqaan semiconductors magnetic. Magnetite waa ferrite fudud.

 

1. Doomaha joogtada ah waxaa ka mid ah barium ferrite (BaO.6Fe2O3) iyo strontium ferrite (SrO.6Fe2O3). Iska caabin sare, waxay ka tirsan tahay qaybta semiconductor, markaa isticmaalka hadda jira waa mid yar, xoogga qasabku waa weyn yahay, waxaa si wax ku ool ah loogu isticmaali karaa wareegga magnetic gap hawo, taas oo u gaar ah koronto-dhaliyeyaasha yaryar iyo magnets joogto ah. kuma jiraan biraha qaaliga ah sida nikkel iyo kobalt. Qalabka ceeriin waa mid aad u fiican, ah Nidaamku maaha mid adag, kharashkuna waa yar yahay. Wuxuu bedeli karaa AlNiCo joogto ah magnet. Wax soo saarkeeda tamarta magnetic-ka ee isbarbardhigga ah ayaa hooseeya, sidaas darteed way ka weyn tahay bir bir ah oo ku hoos jira xaalado tamar magnetic weyn. Heerkulkeeda xasilloonidu waa liidataa, midabkeedu waa jajaban yahay oo jilicsan, mana adkeysan karto saamayn iyo dareen. Aan ku habboonayn qalabka cabbiraadda iyo qalabka birlabeedka oo leh shuruudo adag. Alaabooyinka magnetka ferrite ee joogtada ah ayaa inta badan ah taxane anisotropic. Waxaa loo isticmaali karaa in lagu soo saaro birlab magnet joogto ah matoorada, matoorrada birlabeedka joogtada ah, xoogsaarayaasha magnet joogto ah, joogtada ah ganaaxa magnetka, xadhkaha riixitaanka magnetic, kala-soocida birlabka ballaaran, ku hadla, qalabka mikrowave, xaashida terabiga magnetka, aalada maqalka, iwm.

 

2. ferrite magnetic jilicsan waxaa ka mid ah manganese ferrite (MnO.Fe2O3), zinc ferrite (ZnO.Fe2O3), nikkel zinc ferrite (Ni-Zn.Fe2O4), manganese magnesium zinc ferrite (Mn-Mg-Zn.Fe2O4) iyo kuwa kale oo hal ama ferrites ka kooban dhowr qaybood. Iska caabintu aad ayey uga weyn tahay tan macdan qalabka magnetic, oo waxa uu leeyahay shaqo dielectric sare. Sidaa darteed, ferrates kuwaas oo leh labadaba ferromagnetic iyo ferroelectric sifooyinka iyo sidoo kale Ferromagnetic iyo sifooyinka piezoelectric ayaa soo baxay. Inta jeer ee sare, ay magnetic permeability aad ayuu uga sarreeyaa qalabka birta ah, oo ay ku jiraan nikkel-iron alloys iyo sendust. Waxaa lagu dabaqi karaa inta jeer u dhexeeya dhowr kilohertz ilaa boqollaal megahertz. Habaynta ee ferrite waxay ka tirsan tahay habka caadiga ah ee dhoobada, sidaa daraadeed habka waa mid fudud, iyo wax badan oo ka mid ah biraha qaaliga ah waa la badbaadiyay, kharashkuna waa yar yahay.

 

Cufnaanta qulqulka magnetic saturation ee ferrite aad ayuu u hooseeyaa, badiyaa kaliya 1/3-1/5 ee birta. Ferrite wuxuu leeyahay hooseeyo kaydka tamarta magnetic halkii mugga, kaas oo xaddidaya isticmaalkiisa marka uu hooseeyo soo noqnoqoshada, qulqulka sare, iyo xadka band awood sare halkaas oo magnetic sare cufnaanta tamarta ayaa loo baahan yahay. Waxay ku habboon tahay soo noqnoqoshada sare, awoodda hoose iyo dusha sare ee korontada oo daciif ah. Nikel zinc ferrite waxaa loo isticmaali karaa anteeno ahaan tiirka iyo xudunta beddelka soo noqnoqda dhexdhexaadka ah ee baahinta raadiyaha, iyo manganese zinc ferrite waxaa loo isticmaali karaa sida xudunta gudbinta khadka ee TV-ga qaataha. Intaa waxaa dheer, ferrites jilicsan ayaa loo isticmaalaa in lagu daro dareemayaasha iyo shaandhaynta xudunta ee khadadka isgaarsiinta. Tarjumeeyayaasha duubista magnetic-ka ee soo noqnoqda ayaa ahaa loo isticmaalo sanado badan.

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