Jan 09, 2025 Tso lus

Cov khoom thiab cov ntawv thov ntawm Tungsten

Tungsten yog ib qho nyiaj-grey hlau. Nws muaj qhov hnyav atomic ntawm 183.85. Nws cov qauv hluav taws xob yog 4F145D46S2. Nws yog qhov hnyav heev thaum 19.3g / cm3 ntawm 20 degree. Nws melts ntawm 3400 degree. Nws boils ntawm 5555 degree.

 

Tungsten tuaj yeem tsim cov kev daws teeb meem nrog cov hlau thiab ob intermetallic teb hniav sib xyaw (FE2W thiab FE7W6), tab sis cov no tsis ruaj khov ntawm qhov kub. Tungsten hlau muaj {5}}% w muaj qhov taw tes melting ntau dua 2500 degree, yog li tsis tuaj yeem raug tsim los ntawm qhov thaiv lossis hlau rho txheej txheem. Muaj tungsten hlau muaj qhov ntom ntawm txog 15.3g / cm.

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