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Ndeapi magineti zvinhu zvinowanzoshandiswa mukati zvachose magineti motors?

Zvisingaperi magineti zvinhu zvinowanzo shandiswa mumotokari zvinosanganisira sintered magineti uye magineti ekubatanidza, iwo makuru marudzi aluminium-nickel-cobalt, ferrite, samarium cobalt, NdFeB zvichingodaro.

Alnico: Alnico zvachose magineti zvinhu ndiyo yekutanga uye yakashandiswa zvakanyanya kusingaperi magineti zvinhu, uye gadziriro yayo uye tekinoroji zvakakura.Parizvino, kune mafekitori muJapan, United States, Europe, Russia neChina. mabhizinesi ekugadzira, kuburitswa kweHangzhou zvachose magineti parizvino ndiyo yekutanga muChina, ine huwandu hwepagore hwematani mazana matatu.
Permanent magineti ferrite zvinhu: akapinda 50′s, ferrite akatanga kubudirira, kunyanya muna 70's, mukumanikidza, magineti simba muchina kuita zviri nani strontium-ferrite mukugadzirwa muhuwandu, nekukurumidza kuwedzera kushandiswa kwechigarire magineti ferrite.As iyo isiri metallic magineti zvinhu, ferrite haisi nyore kuita oxidize sesimbi yekusingaperi magineti zvinhu, yakaderera Curie tembiricha uye mutengo wakakwira, saka inofarirwa zvakanyanya.
Samarium cobalt zvinhu: kusimuka kwezana remakore rechi20 pakati pemakore ekuma1960, yakanakisa magineti inogara magineti zvinhu, uye yakanyatsogadzikana kuita.Samarium cobalt inonyanya kukodzera kugadzirwa kwemagetsi emagetsi kubva kune chikamu cheiyo magineti zvinhu, asi nekuda kwekukwirira kwayo. mutengo, unonyanya kushandiswa mukutsvagisa nekuvandudzwa kwendege, aerospace, zvombo uye mamwe mauto emagetsi mota uye kushanda kwepamusoro uye mutengo hausi iwo chinhu chikuru mumunda wepamusoro-soro wemagetsi emagetsi.
NdFeB zvinhu: NdFeB magineti zvinhu neodymium, iron oxide uye imwe alloy, inozivikanwawo semagineti simbi.Neyakanyanya yakakwira magineti simba chigadzirwa uye zvakanakira yakakwira simba density, NdFeB zvachose magineti zvinhu zvakashandiswa zvakanyanya muindasitiri yemazuva ano uye tekinoroji yemagetsi, kuitira kugadzira zviridzwa, electroacoustic motors, magnetic separation uye magnetization equipment miniaturization, lightweight, thin become possible.Inoita ngura nekuda kwehuwandu hwayo hwe neodymium uye iron.Surface chemical passivation ndeimwe yemhinduro dzakanakisisa.
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