Muaj ntshiab zirconium phiaj, zirconium raj
Zirconium yog siv nyob rau hauv nuclear reactors tsuas yog vim nws zoo heev corrosion kuj thiab kub kub kuj. Qee qhov tshwj xeeb siv zirconium hauv nuclear reactors suav nrog:
1. Cov khoom siv cladding: Zirconium alloy, xws li zirconium alloy, yog siv los ua cov cladding nyob ib ncig ntawm lub nuclear roj pellets nyob rau hauv cov roj rods ntawm nuclear reactors. Lub zirconium cladding muab ib qho barrier uas muaj cov roj hluav taws xob thiab tiv thaiv kev tso tawm ntawm cov khoom siv hluav taws xob mus rau hauv reactor coolant.
2. Cov yam ntxwv ntawm cov qauv: Zirconium alloy yog siv rau ntau yam qauv hauv cov tub ntxhais reactor, xws li cov qauv kev txhawb nqa thiab lwm yam tseem ceeb uas yuav tsum tau muaj qhov kub thiab txias thiab corrosion kuj.
3. Tswj cov pas nrig: Cov pas nrig tswj yog ua los ntawm zirconium-based alloy thiab tswj cov kev cuam tshuam nuclear los ntawm kev nqus cov neutrons thiab tswj cov fission tus nqi hauv cov tub ntxhais reactor.
Tshaj tag nrho, zirconium lub corrosion kuj, high-temperature stability, thiab tsis tshua muaj neutron absorption ua rau nws yog ib qho tseem ceeb cov ntaub ntawv rau kev nyab xeeb thiab npaum ua hauj lwm ntawm nuclear reactors. Nws siv nyob rau hauv daim ntawv thov nuclear pab kom muaj kev ncaj ncees thiab kev nyab xeeb ntawm reactor cores thiab cov khoom txuam.
Zirconia thiab zirconium yog cov ntaub ntawv muaj feem xyuam, tab sis lawv muaj cov khoom sib txawv thiab kev siv.
Zirconium yog cov khoom siv tshuaj lom neeg nrog lub cim Zr thiab atomic tooj 40. Nws yog ib qho xim grey-dawb hlau uas tiv taus corrosion heev. Zirconium feem ntau yog siv rau ntau yam kev lag luam, suav nrog nuclear reactors, chemical processing equipment, thiab aerospace Cheebtsam.
Zirconia, ntawm qhov tod tes, yog ib qho chaw muab tau los ntawm zirconium. Tshwj xeeb, zirconia yog oxide ntawm zirconium, nrog rau cov tshuaj formula ZrO2. Zirconia yog cov khoom siv ceramic nrog lub zog siab, siab hardness, hnav tsis kam thiab corrosion kuj. Nws cov ntawv thov suav nrog kev kho hniav ceramics, refractories, thermal barrier coatings, thiab structural ceramics nyob rau hauv ntau yam lag luam.
Hauv cov ntsiab lus, zirconium yog cov khoom siv hlau thiab zirconium oxide yog ib qho oxide tau los ntawm zirconium. Zirconium yog siv rau hauv cov ntawv hlau, thaum zirconia yog siv los ua cov khoom siv ua haujlwm siab hauv ntau yam kev lag luam thiab kev lag luam.
Qhov ceev ntawm zirconium ntawm chav tsev kub yog kwv yees li 6.52 grams ib cubic centimeter (g / cm3). Zirconium yog cov ntaub ntawv grey, grey-dawb nrog lub siab siab uas haum rau ntau yam kev siv tshuaj, suav nrog cov khoom siv tshuaj lom neeg thiab cov khoom siv tshuaj lom neeg.
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