lub cev muaj zog
Niobium yog grey-dawb hlau nrog lub melting point ntawm 2468 degree, lub boiling point ntawm 4742 degree, thiab ib tug ceev ntawm 8.57 g / cubic centimeter. Niobium yog ib lub ci grey hlau uas yog paramagnetic thiab belongs rau Pawg 5 ntawm lub sij hawm lub sij hawm ntawm lub ntsiab lus. High-purity niobium hlau yog ductile heev tab sis yuav nyuaj dua li cov ntsiab lus impurity nce.
99.95% ntshiab Nb Tube
Niobium nthuav tawm superconducting zog ntawm qhov kub thiab txias. Raws li tus qauv atmospheric siab, nws qhov kub tseem ceeb yog 9.2K, uas yog qhov siab tshaj plaws ntawm tag nrho cov ntsiab lus superconductors. Nws qhov sib nqus nkag qhov tob kuj yog qhov siab tshaj plaws ntawm tag nrho cov ntsiab lus. Niobium yog ib qho ntawm peb hom II superconductors, lwm tus yog vanadium thiab technetium. Lub purity ntawm niobium hlau zoo heev cuam tshuam nws superconducting zog.
Niobium Chev Sheet
tshuaj muaj zog
Niobium ruaj khov nyob rau hauv cov huab cua ntawm chav tsev kub, thiab tsis tag oxidized thaum liab-kub hauv oxygen. Nws ncaj qha ua ke nrog sulfur, nitrogen, thiab carbon ntawm qhov kub thiab txias, thiab tuaj yeem tsim cov alloys nrog titanium, zirconium, hafnium, thiab tungsten.
Niobium hlau yog qhov ruaj khov heev hauv huab cua ntawm chav tsev kub thiab tsis cuam tshuam nrog huab cua. Txawm hais tias nws muaj cov ntsiab lus melting ntau dua hauv nws lub xeev elemental (2,468 degree), nws qhov ntom ntom qis dua li lwm cov hlau refractory. Niobium kuj tiv taus ntau hom kev xeb thiab tuaj yeem tsim cov txheej txheem dielectric oxide.
