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high kuchena niobium machined zvikamu superconducting niobium zvinhu

Tsanangudzo Pfupi:

Superconducting niobium zvinhu zvine akasiyana ekushandisa, anosanganisira superconducting magineti, particle accelerators uye MRI michina.Kugona kwayo kuitisa magetsi patembiricha yakaderera ine zero kuramba inoita kuti ive yakanaka kune aya maapplication.

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Ndeapi marudzi akasiyana e niobium?

Niobium inowanikwa zvakanyanya mumhando mbiri dzakagadzikana isotopu: niobium-93 uye niobium-95.Idzi isotopes dzine nhamba dzakasiyana dzemanyuturoni munyuclei dzadzo, asi dzose dzinoratidza maitiro emakemikari akafanana.Panyaya yechimiro chayo chekristaro, niobium inogona kuvapo nenzira dzakasiyana, kusanganisira alpha uye beta phases, zvichienderana nekupisa uye kumanikidza mamiriro.

Pamusoro peiyo yekutanga fomu, niobium inowanikwa mune akasiyana makomisheni uye alloys.Semuenzaniso, niobium-tin (Nb3Sn) uye niobium-titanium (Nb-Ti) inowanzoshandiswa kubudisa superconducting waya yezvikumbiro zvakadai seMRI michina uye particle accelerators.Aya ma alloys anoratidza superconducting zvivakwa pakudziya kwakaderera, zvichiita kuti ive yakakosha mumunda we superconductivity.

Pamusoro pezvo, niobium inogona kusanganiswa nedzimwe simbi kuti iwedzere zvivakwa zvayo kune chaiwo maapplication.Semuenzaniso, niobium inogona kusanganiswa ne zirconium, tantalum kana zvimwe zvinhu kuti zvigadzire alloys ane simba rakagadziridzwa, corrosion resistance kana superconducting properties.

Pakazere, iwo akasiyana marudzi e niobium anosanganisira ayo ekutanga fomu, isotopes, makristasi zvimiro, uye akasiyana alloys nemakomponi, imwe neimwe iine akasiyana zvivakwa uye mashandisirwo.

Ko niobium inogadzirwa sei?

Niobium inowanikwa zvakanyanya kuburikidza nenzira inonzi Brazilian pyrochlore nzira.Iyo yekubvisa maitiro inosanganisira akati wandei:

1. Kuchera: Danho rekutanga rinosanganisira kubvisa niobium-ine ores, iyo inowanzobatanidzwa nemamwe maminera akadai setantalum, tin uye titanium.Brazil neCanada ndivo vanonyanya kugadzira niobium ore.

2. Ore Beneficiation: Chicherwa chinocheneswa kuti chinyatsoisa zvicherwa zve niobium.Izvi zvinowanzobatanidza kupwanya, kukuya uye nzira dzakasiyana dzekuparadzanisa kuparadzanisa iyo niobium-ine zvicherwa kubva kune zvimwe zvikamu zveore.

3. Kunatsa: Iyo yakanyungudutswa niobium ore inopinda mamwe maitiro ekunatsa kubvisa tsvina uye kuburitsa yakakwirira-kuchena niobium concentrate.Izvi zvinogona kusanganisira kugadzirwa kwemakemikari, leaching uye kunyungudutsa kunyungudutsa kuti uwane yakacheneswa niobium makomisheni.

4. Kuderedza: Iyo yakacheneswa niobium compound inobva yaderedzwa kuva metallic niobium kuburikidza nepamusoro-tembiricha maitiro, kazhinji kushandisa maitiro akadai sealuminothermic reduction process.Izvi zvinoguma nekugadzirwa kweniobium metal muhupfu.

5. Kubatanidza: Iyo niobium powder inobva yabatanidzwa kuva fomu yakasimba kuburikidza nemaitiro akadai sehupfu metallurgy, forging kana mamwe maitiro ekugadzira kugadzira niobium ingots, mapepa kana mamwe maitiro anodiwa.

Pakazere, kugadzirwa kweniobium kunosanganisira nhevedzano yematanho ekubvisa, kunatsa uye kugadzirisa niobium-ine ores kuwana yakakwirira-kuchena niobium simbi kuti ishandiswe mune dzakasiyana siyana maindasitiri.