Qalabka magnetic waxaa loo kala saari karaa laba qaybood: magnets isotropic iyo magnets anisotropic:
Magnets-ka isotropic waxay soo bandhigaan sifooyin magnetic isku mid ah dhammaan jihooyinka waxaana lagu dhejin karaa jiho kasta.
Magnets Anisotropic waxay soo bandhigaan sifooyin birlab kala duwan jihooyin kala duwan, waxayna leeyihiin jihada la door bidayo ee waxqabadka magnetic ugu fiican, oo loo yaqaan jihada hanuuninta.
Magnets anisotropic caadiga ah waxaa ka mid ahNdFeBiyoSmCo, kuwaas oo labaduba ah walxo birlab adag ah.
Hanuuninta waa geeddi-socod muhiim u ah soo saarista magnets-ka NdFeB-da-dabisan
Magnetism-ka birlabku waxa uu ka yimaadaa nidaamka birlabeedka (halkaas oo xayndaabyada birlabeedka shakhsi ahaaneed ay ku toosan yihiin jiho gaar ah).Sintered NdFeB waxaa la sameeyay iyadoo lagu cadaadiyo budada magnetic gudaha caaryada.Nidaamku wuxuu ku lug leeyahay gelinta budada magnetic galay caaryada, adoo adeegsanaya dhul birlab xoog leh iyadoo la adeegsanayo koronto-magnet, isla markaana isla mar ahaantaana cadaadis la saarayo saxafada si loo waafajiyo dhidibka magnetization fudud ee budada.Ka dib marka la cadaadiyo, jidhka cagaarka ah waa la gooyaa, laga saaraa caaryada, iyo meelaha bannaan ee ka soo baxa oo leh jihooyin magnetization ah oo si fiican u jihaysan ayaa la helay.Meelaha banaan ayaa markaa loo gooyaa cabbir cayiman si loo abuuro alaabada birta birta magnetic ugu dambeysa iyadoo loo eegayo shuruudaha macaamiisha.
Jihaynta budada waa geedi socod muhiim ah oo lagu soo saarayo waxqabadka sare ee NdFeB magnets joogto ah.Tayada hanuuninta inta lagu jiro marxaladda wax soo saarka bannaan waxaa saameeya arrimo kala duwan, oo ay ku jiraan jihada xoogga garoonka, qaabka qayb budo ah iyo size, habka samaynta, hanuuninta qaraabo ee garoonka hanuuninta iyo samaynta cadaadiska, iyo cufnaanta dabacsan ee budada hanuunsan.
Qalfoofka birlabeedka ee ka dhasha marxaladda ka-hortagga ka-dib-u-socodka ayaa saameyn gaar ah ku leh qaybinta magnetic field-ka.
Magnetization waa tillaabada ugu dambeysa ee lagu gaarsiinayo magnetism-kaNdFeB.
Ka dib marka ay gooyaan meelaha bannaan ee magnetic ilaa cabbirka la rabo, waxay maraan habab ay ka mid yihiin korantada si ay uga hortagaan daxalka oo ay u noqdaan magnet-ka ugu dambeeya.Si kastaba ha ahaatee, marxaladan, magnets-ku ma soo bandhigaan magnetism dibadda waxayna u baahan yihiin magnetization iyada oo loo marayo habka loo yaqaan "charging magnetism."
Qalabka loo isticmaalo magnetization-ka waxaa loo yaqaan magnetizer, ama mashiinka magnetizing.Magnetizer-ku waxa uu marka hore dalacayaa capacitor leh danab sare oo DC ah (ie, kaydiya tamarta), ka dibna waxa uu ku soo daayaa gariiradda (magnetizing fixture) oo leh iska caabin aad u hooseeya.Xilliga ugu sarreeya ee garaaca garaaca wadnaha wuxuu noqon karaa mid aad u sarreeya, oo gaaraya tobanaan kun oo amperes.Wadnaha hadda jira wuxuu abuuraa dhul birlab xoog leh oo ku dhex jira qalabka magnetization-ka, kaas oo si joogto ah magnetizes magnetka gudaha lagu dhejiyo.
Shilalku waxay dhici karaan inta lagu jiro habka magnetization-ka, sida buuxinta aan dhamaystirnayn, dildilaaca tiirarka magnetizer-ka, iyo jajabinta magnets-ka.
Dheecaan la'aanta waxaa inta badan sabab u ah koronta ku dallaca ku filnaansho, halkaas oo beerta birlabeed ee ka sameysan gariiradda aysan gaarin 1.5 ilaa 2 jeer magnetization saturation magnetization.
Magnetization-ka tirooyinka badan, magnets-ka leh jihooyinka jihada dhumucdiisuna waxay sidoo kale caqabad ku yihiin inay si buuxda u dhergaan.Tani waa sababta oo ah masaafada u dhaxaysa tiirarka sare iyo kuwa hoose ee magnetizer waa mid aad u weyn, taasoo keentay in xoog goob magnet ku filan oo ka tirarka si ay u sameeyaan wareegga magnetic saxda ah xiran.Natiijo ahaan, habka magnetization-ku wuxuu u horseedi karaa tiirarka birta ah ee aan fiicnayn iyo xoogga goobta oo aan ku filnayn.
Dildilaaca tiirarka magnetizer-ka waxa ugu horrayn keena in la dejiyo danab aad u sarreeya, oo dhaafa xadka badbaadada leh ee mishiinka magnetization-ka.
Magnet-ka aan saturated-ka ahayn ama magnet-ka qayb ahaan la dhimay ayaa aad u adag in la buuxiyo sababtoo ah xayndaabkooda birlabeed xumaaday.Si loo gaaro dhereg, caabbinta ka imanaysa barakaca iyo wareegtada qaybahan ayaa loo baahan yahay in laga gudbo.Si kastaba ha ahaatee, kiisaska magnet-ku aanu si buuxda u buuxin ama uu leeyahay magnetization hadhaaga ah, waxaa jira gobollo ka soo horjeeda magnetic field.Haddi ay noqoto magnetization jihada hore ama dib u noqoshada, meelaha qaar waxa ay u baahan yihiin magnetization rogaal celis ah, taas oo lama huraan u ah in laga adkaado xoogga qasabka ah ee goboladan.Sidaa darteed, goob birlab ah oo ka xoog badan marka loo eego aragtida loo baahan yahay ayaa lagama maarmaan u ah magnetization.
Waqtiga boostada: Agoosto-18-2023