wolfram filament tungsten hlau rau cua sov hlau ntsiab

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Tungsten hlau, tseem hu ua tungsten hlau, feem ntau yog siv rau hauv cov khoom cua sov vim nws qhov siab melting point thiab zoo heev thermal conductivity. Tungsten hlau feem ntau yog siv rau hauv cov ntawv thov uas xav tau qhov kub thiab txias, xws li cua sov coils hauv cov chaw tsim khoom, cov qhov muag teeb, thiab cov qhov cub kub.


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  • tungsten hlau puas tuaj yeem siv los ua cov khoom cua sov?

Yog lawm, tungsten hlau tuaj yeem siv los ua cov khoom cua sov. Tungsten muaj cov ntsiab lus melting siab heev thiab yog corrosion-resistant, ua rau nws haum rau siv nyob rau hauv high-kub daim ntaub ntawv xws li cua sov ntsiab nyob rau hauv furnaces, incandescent teeb thiab lwm yam khoom siv cua sov. Tungsten muaj lub siab melting point thiab tsis tshua muaj vapor siab ntawm qhov kub thiab txias, ua rau nws yog ib qho kev xaiv zoo rau cov ntawv thov uas xav tau qhov kub thiab txias.

tungsten hlau
  • Vim li cas tungsten thiaj li kub tiv taus?

Vim nws cov qauv atomic tshwj xeeb thiab cov ntsiab lus siab melting, tungsten muaj cov cua kub zoo heev. Tungsten muaj qhov siab tshaj plaws melting point ntawm tag nrho cov hlau ntawm 3,422 degrees Celsius (6,192 degrees Fahrenheit), uas yog vim nws muaj zog hlau bonds thiab nws cov atomic kev npaj. Tsis tas li ntawd, tungsten muaj qhov tsis tshua muaj vapor siab ntawm qhov kub thiab txias, tso cai rau nws tswj nws cov qauv kev ncaj ncees txawm tias thaum tshav kub kub heev. Cov khoom no ua rau tungsten yog ib qho khoom siv zoo tshaj plaws rau cov ntawv thov uas xav tau qhov kub thiab txias, xws li cov khoom cua sov, qhov muag teeb, thiab ntau yam kev lag luam.

tungsten hlau (4)
  • Vim li cas tungsten siv yuav luag tshwj xeeb rau filament?

Vim nws zoo heev kub tsis kam thiab siab melting point, tungsten siv yuav luag tshwj xeeb hauv filaments. Thaum siv los ua ib qho filament hauv cov qhov muag teeb lossis lwm yam khoom siv cua sov, tungsten tuaj yeem ncav cuag qhov kub siab heev yam tsis muaj melting los yog degrading, ua rau nws zoo tagnrho rau cov ntawv thov uas yuav tsum tau kub siab heev. Tsis tas li ntawd, tungsten qhov tsis tshua muaj vapor siab ntawm qhov kub thiab txias tso cai rau nws kom muaj kev ntseeg ruaj khov txawm tias nyob rau hauv cov xwm txheej kub heev, ua rau nws muaj kev ntseeg siab thiab siv tau ntev rau kev siv filament. Cov khoom no ua rau tungsten filament ntawm kev xaiv hauv cov ntawv thov uas qhov kev ua haujlwm kub kub yog qhov tseem ceeb.

tungsten hlau (2)

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