Raws li lub cuab yeej tseem ceeb hauv kev lag luam xws li hlau ntxoo thiab lwm cov ntawv thov siab,Graphite shreglesUa si ib lub luag haujlwm tseem ceeb hauv muaj thiab cua sov ntau yam hlau thiab alloys. Txawm li cas los xij, lawv lub neej kev pabcuam tau txwv, uas tuaj yeem tsis yooj yim thiab ua rau cov nuj nqis ntxiv rau cov neeg siv. Hauv tsab xov xwm no, peb yuav tshawb ib txoj hauv kev zoo ib yam kom ua rau lub neej ntawmGraphite shreglesthiab cuag lawv lub siab.
Graphite shreglestau siv dav rau melting thiab casting cov txheej txheem, vim lawv cov thermal conductivity, corrosion tsis kam thiab refractory cov zog. Txawm li cas los xij, lawv lub sijhawm ntev nyob ntawm ntau yam, xws li cov khoom siv raw, cov txheej txheem kev ua haujlwm, thiab cov txheej txheem saib xyuas. Yog li ntawd, nws yog qhov tseem ceeb kom xaiv cov khoom siv zoo ntawm cov neeg muag khoom thiab cov lus qhia uas pom zoo rau lawv siv thiab saib xyuas.
Ib qho tseem ceeb uas cuam tshuam rau lub neej muaj sia ntawm graphite crucite yog cov cua kub thiab ua cua txias. Kev hloov pauv sai sai, tseem hu ua qhov kub thiab txias, tseem hu ua kev tawg, tuaj yeem ua rau tawg, spalling, lossis deformation ntawm cov crucibles, thaum kawg txo lawv txoj kev ua kom ntev thiab ua hauj lwm zoo. Cov teeb meem no, nws raug nquahu kom maj thiab uniformly pruciles ua ntej ntxiv maj mam txias rau lawv tom qab cov txheej txheem tiav.
Lwm qhov tseem ceeb ntxiv los txiav txim siab, uas yog hom hlau lossis alloy ua tiav. Tej yam hlau, xws li hlau, npib tsib xee thiab cobalt, tuaj yeem ua kom muaj kev cuam tshuam nrog graphite thiab daim ntawv carbides, uas tuaj yeem nrawm tus ris thiab kua muag ntawm cov crucibles. Txhawm rau zam qhov no, nws raug nquahu kom siv cov txheej txheem tiv thaiv lossis cov hnab yas ntawm cov qhab nia tshwj xeeb cov qib uas tiv taus rau cov kev tawm tsam no.
Tsis tas li ntawd, kev saib xyuas kom zoo thiab kev tu ntawm cov crucibles kuj tseem ceeb heev nyob rau hauv ncua lawv lub neej thiab tiv thaiv kev paug cov hlau los yog alloys. Nws raug nquahu kom nchuav, txias, thiab ntxuav cov cruciles tom qab siv siv siv cov cuab yeej tsim nyog thiab tshuaj kom tshem tawm txhua qhov seem lossis kev tsis txaus ntseeg. Qhov chaw cia khoom kom raug ntawm cov ntoo uas qhuav hauv qhov chaw qhuav thiab muaj kev nyab xeeb yog qhov tseem ceeb kom tiv thaiv kev ua kom lub cev lossis dej noo.
Txhawm rau cov ntsiab lus sib dhos, ua kom tiav txoj kev ua neej ntawm graphite yuav tsum tau ua ntxiv rau cov kev coj ua thiab kev ceev faj kom raug. Qhov no suav nrog kev xaiv cov khoom siv zoo, tuav lawv nrog kev saib xyuas, kev tiv thaiv lawv los ntawm reactive hlau, thiab tsis tu ncua tswj hwm lawv. Los ntawm kev ua li ntawd, cov neeg siv tuaj yeem txuag lub sijhawm, nyiaj txiag, thiab cov khoom siv thaum ua kom muaj kev ua tau zoo sib xws thiab txhim khu kev qha kev ua yeeb yam.
Lub Sijhawm Post: Lub Tsib Hlis-05-2023