Iimveliso
Niobium | |
Isigaba kwi-STP | eqinileyo |
Indawo yokunyibilika | 2750 K (2477 °C, 4491 °F) |
Indawo yokubilisa | 5017 K (4744 °C, 8571 °F) |
Ubuninzi (kufuphi ne-rt) | 8.57 g/cm3 |
Ubushushu bomxube | 30 kJ/mol |
Ubushushu bomphunga | 689.9 kJ/mol |
Umthamo wobushushu beMolar | 24.60 J/(mol·K) |
Imbonakalo | grey metallic, bluish xa i-oxidized |
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Umgubo weNiobium
I-Niobium Powder (i-CAS No. 7440-03-1) i-gray ekhanyayo kunye neqondo eliphezulu lokunyibilika kunye ne-anti-corrosion. Ithatha i-tint bluish xa ibonakaliswe emoyeni kumaqondo obushushu begumbi ixesha elide. I-Niobium yintsimbi enqabileyo, ethambileyo, ethambileyo, ethambileyo, engwevu-emhlophe. Inomzimba ogxile kwi-cubic crystalline structure kunye neempawu zayo zomzimba kunye neekhemikhali zifana ne-tantalum. Ukufakwa kwesinyithi kwi-oxidation emoyeni kuqala kwi-200°C. I-Niobium, xa isetyenziswe kwi-alloying, iphucula amandla. Iimpawu zayo ze-superconductive ziphuculwe xa zidibene ne-zirconium. I-Niobium micron powder izifumana kwizicelo ezahlukeneyo ezifana ne-electronics, i-alloy-making, kunye nezonyango ngenxa yeekhemikhali ezinqwenelekayo, umbane kunye neempawu zoomatshini.