Abubuwan da aka bayar na AlNiCo
Alnico maganadisoyana daya daga cikin na farko da aka ɓullo da wani abu na dindindin na maganadisu, wani gami ne wanda ya ƙunshi aluminum, nickel, cobalt, iron da sauran abubuwan ƙarfe na alama. An yi nasarar haɓaka kayan magnet na dindindin na Alnico a cikin 1930s. Kafin ƙirƙira na rare duniya m maganadiso kayan a cikin 1960s, aluminum-nickel-cobalt gami ya kasance ko da yaushe ya kasance mafi ƙarfi Magnetic dindindin kayan maganadisu, amma saboda abun da ke ciki na dabarun karafa cobalt da nickel, sakamakon mafi girma halin kaka, tare da zuwan ferrite m maganadisu da kasa m duniya m maganadisu, aluminum-nickel-cobalt kayan a da yawa aikace-aikace maye gurbinsu a hankali. Duk da haka, a wasu aikace-aikace masu zafi da zafihigh maganadisubukatun kwanciyar hankali, maganadisu har yanzu yana mamaye matsayi mara girgiza.
Alnico samar da tsari da iri
Alnico maganadisusuna da matakai guda biyu na yin simintin gyare-gyare da gyare-gyare, kuma ana iya sarrafa tsarin simintin zuwa girma da siffofi daban-daban; Idan aka kwatanta da tsarin simintin gyare-gyare, samfurin sintered yana iyakance ga ƙananan girman, girman juriya na ƙarancin da aka samar ya fi na simintin simintin, kayan magnetic yana ɗan ƙasa da na samfurin simintin, amma injin ɗin yana da kyau. mafi kyau.
Tsarin samar da simintin gyare-gyare na aluminum nickel cobalt yana batching → narkewa → simintin gyaran zafi → gwajin aiki → machining → dubawa → marufi.
Sintered aluminum nickel cobalt aka samar da foda metallurgy, samar da tsari ne batching → foda yin → latsa → sintering → zafi magani → yi gwajin → machining → dubawa → marufi.
Abubuwan da aka bayar na AlNiCo
Ragowar juzu'in magnetic jujjuyawar wannan abu yana da girma, har zuwa 1.35T, amma ƙarfinsu na ciki yana da ƙasa kaɗan, yawanci ƙasa da 160 kA/m, tsarin demagnetization ɗin sa shine canji mara ƙima, kuma aluminum nickel cobalt madauki na dindindin ba ya daidaita. tare da demagnetization curve, don haka ya kamata a biya kulawa ta musamman ga takamaiman ta lokacin ƙira da kera da'irar maganadisu. na'urar. Dole ne a daidaita magnet ɗin dindindin a gaba. Misali na simintin simintin gyare-gyaren anisotropic AlNiCo gami, abun da ke cikin Alnico-6 shine 8% Al, 16% Ni, 24% Co, 3% Cu, 1% Ti, sauran sune Fe. Alnico-6 yana da BHmax na 3.9 megagauss-oests (MG·Oe), tilastawa 780 oersted, Curie zafin jiki na 860 °C, da matsakaicin zafin aiki na 525 °C. Dangane da ƙananan tilastawa na Al-Ni-Co na dindindin abu na maganadisu, an haramta shi sosai don tuntuɓar kowane kayan ferromagnetic yayin amfani, don kada ya haifar da lalatawar gida ko murdiya.karfin maganadisurarraba yawa.
Bugu da ƙari, don ƙarfafa juriya na demagnetization, saman Alnickel-cobalt m maganadisu sau da yawa ana tsara shi da dogayen ginshiƙai ko dogayen sanduna, saboda alnickel-cobalt na dindindin maganadisu yana da ƙarancin ƙarfin injiniya, babban taurin kai da brittleness, sakamakon haka. a cikin machinability mara kyau, don haka ba za a iya tsara shi azaman ɓangaren tsarin ba, kuma kawai ƙaramin adadin niƙa ko EDM za a iya sarrafa shi, da ƙirƙira da sauran kayan aikin injiniya ba za su iya zama ba. amfani. Hangzhou Magnet Power Technology Co., Ltd. yana da madaidaicin ikon niƙa na wannan samfurin, ana iya sarrafa daidaiton aiki a cikin +/- 0.005 mm, kuma yana da ikon samarwa da sarrafa samfuran samfura na musamman, ko samfuran al'ada ne ko samfurori na musamman na musamman, za mu iya samar da hanyar da ta dace da shirin.
Yankunan aikace-aikacen Alnico
Abubuwan da aka yi amfani da su na simintin aluminum-nickel-cobalt ana amfani da su musamman a aunawa, kayan maganadisu na kayan aiki, sassan mota, babban sauti, kayan aikin soja da sararin samaniya da sauran filayen. Sintered aluminum nickel cobalt ya dace da samar da hadaddun, haske, bakin ciki, kananan kayayyakin, yafi amfani a cikin lantarki sadarwa, m magnet kofuna, magnetoelectric sauya da daban-daban na'urori masu auna sigina Yawancin masana'antu da mabukaci kayayyakin bukatar yin amfani da karfi m maganadiso, kamar Motors. karban gitar lantarki, makirufo, masu magana da firikwensin, bututun igiyar ruwa, (cowmagnet) da sauransu. Dukansu suna amfani da magneto-nickel-cobalt magnet. Amma yanzu, samfuran da yawa suna canzawa don amfani da ƙaƙƙarfan maganadisu na duniya, saboda irin wannan nau'in na iya ba da ƙarfi Br da BHmax mafi girma, yana ba da izinin ƙarami samfurin.
Lokacin aikawa: Agusta-15-2024
