Cov nyhuv ntawm cov ntaub ntawv refractory thiab thermal rwb thaiv tsev cov ntaub ntawv ntawm hluav taws xob cua sov alloys
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Cov nyhuv ntawm cov ntaub ntawv refractory thiab thermal rwb thaiv tsev cov ntaub ntawv ntawm hluav taws xob cua sov alloys
Nyob rau hauv lub tshuab hluav taws xob muaj hluav taws xob, txhawm rau txhim kho cov hluav taws xob cua sov thiab tiv thaiv kom tsis txhob deforming ntawm qhov kub thiab txias, nws yog ib qho tsim nyog yuav tsum tau siv cov khoom siv rov qab thiab kev txhawb nqa los ntawm cov khoom siv refractory. Qee cov khoom siv hluav taws xob cua sov ntawm cov khoom siv hauv tsev tau ncaj qha ua cov hmoov oxide. Lub sijhawm no, qhov chaw ntawm cov hluav taws xob cua sov alloy yuav nyob rau hauv kev sib cuag ncaj qha nrog cov khoom siv refractory, thiab cov tshuaj tiv thaiv lub cev thiab tshuaj yuav tshwm sim ntawm qhov kub thiab txias, uas yuav cuam tshuam cov hluav taws xob cua sov. Cov khoom siv rwb thaiv tsev yog cov khoom siv tseem ceeb los txo cov cua sov. Nyob rau hauv cov xwm txheej tshwj xeeb, kev sib cuag ntawm cov khoom siv rwb thaiv tsev nrog lub tshuab hluav taws xob cua sov yuav ua rau muaj kev puas tsuaj rau hluav taws xob cua sov.
Muaj ntau cov corrosive gases raug tso tawm los ntawm ceramics thiab lawv glaze thaum lub sij hawm cua sov txheej txheem ntawm ceramic furnaces uas siv hluav taws xob cua sov. Cov pa roj no ua rau muaj zog corrosion rau hluav taws xob cua sov cov ntsiab lus thiab ua rau lub neej ua haujlwm ntawm hluav taws xob cua sov. Niaj hnub no, Xiao Ye yuav qhia rau koj txog cov txheej txheem ntawm lub cub tawg ntawm hluav taws xob cua sov cov ntsiab lus thiab yuav ua li cas xaiv cov hluav taws xob cua sov alloys rau firing ceramic furnaces tsim nyog: Cov khoom xyaw ntawm ceramics thiab glazes muaj BaCl2, KCl, K2CO3, NaNO3, MgSO4, CaSO4 , FeS, thiab lwm yam. Qhov kub ntawm qhov hluav taws kub yog siab li 1300 degree, thiab ntau hom tshuaj tiv thaiv yuav tshwm sim ntawm ntau theem ntawm cov txheej txheem tua. Yog li ntawd, muaj pes tsawg leeg ntawm lub cub tawg roj rau firing ceramic khoom yog ntau nyuaj. Cov nram qab no luv luv piav qhia txog qhov muaj pes tsawg leeg ntawm lub cub tawg thiab nws cov nyhuv ntawm cov cua sov.
Txij li thaum qhov kub ntawm lub cub tawg ceramic yog siab li 1300 degree, thiab lub cub tawg muaj cov roj corrosive, cov hlau kuj tseem yuav tsum muaj kev tiv thaiv corrosion zoo dua. Tam sim no, cov qib hauv qab no ntawm cov hlau-chromium-aluminium alloys tuaj yeem siv los tua hluav taws xob cua sov cov ntsiab lus ntawm ceramic furnaces: 0Cr26A17.5, 0Cr27AI7Mo2, 0Cr24Al6R, Cr23AI6, Cr22Al6 uas muaj cobalt thiab tsawg ntiaj teb, thiab- chromium-aluminium alloys ua los ntawm hmoov metallurgy.
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