Graphite Qws Rau Hlau Casting

Graphite pas nrig yog siv los ua cov cuab yeej tseem ceeb hauv cov hlau casting thiab feem ntau siv rau hauv cov txheej txheem ntawm cov hlau casting los xyuas kom meej qhov kev vam meej ntawm cov txheej txheem.
Dab tsi yog cov yam ntxwv ntawm graphite pas nrig rau hlau casting?
Ua ntej, graphite pas nrig siv rau hauv cov hlau casting yuav tsum muaj qib siab ntawm thermal stability. Lawv yuav tsum tau tiv taus qhov kub kub uas cuam tshuam nrog cov txheej txheem casting yam tsis muaj melting lossis deforming. Qhov no yog qhov tseem ceeb los xyuas kom meej tias cov pwm tsim los ntawm graphite pas nrig tswj nws cov duab thiab tsis deform thaum lub sij hawm casting txheej txheem.
Thib ob, graphite pas nrig yuav tsum muaj thermal conductivity zoo. Lawv yuav tsum muaj peev xwm hloov tau cov cua sov kom zoo thiab faib nws tusyees thoob plaws hauv cov pwm los txhawb kev sib zog ntawm cov hlau molten. Yog tias cov pas nrig graphite tsis muaj cov thermal conductivity zoo, nws tuaj yeem ua rau cov cua txias tsis sib xws, uas ua rau muaj qhov tsis xws luag thiab qhov tsis zoo ntawm cov khoom tiav.
Ntxiv rau cov khoom no, graphite pas nrig rau hlau casting yuav tsum muaj lub zog zoo txhua yam. Lawv yuav tsum muaj peev xwm tiv taus lub siab thiab quab yuam ntawm cov hlau molten rau hauv pwm yam tsis muaj kev tawg lossis tawg. Yog hais tias tus pas nrig graphite tsis muaj zog, nws yuav tawg nyob rau hauv siab, cuam tshuam qhov kev ncaj ncees ntawm tag nrho cov txheej txheem casting.
Thaum kawg, graphite pas nrig yuav tsum tiv taus tshuaj tua kab mob, tshwj xeeb tshaj yog los ntawm cov hlau molten raug nrum. Yog hais tias graphite pas nrig corrodes thaum lub sij hawm casting txheej txheem, nws tuaj yeem ua rau cov hlau tsis huv, ua rau muaj qhov tsis zoo thiab tsis zoo ntawm cov khoom tiav.
Nyob rau hauv cov ntsiab lus, graphite pas nrig rau hlau casting yuav tsum tau ib tug xov tooj ntawm tej yam khoom, nrog rau siab thermal stability, zoo thermal conductivity, muaj zog txhua yam muaj zog thiab chemical kuj. Cov khoom no yog qhov tseem ceeb rau kev ua kom muaj kev vam meej thiab ua tau zoo ntawm cov txheej txheem casting, ua rau cov khoom tiav tiav rau cov ntawv thov kev lag luam.

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