Kev taw qhia ntawm graphite flexible felt

Cov khoom siv graphite kub siab muaj cov yam ntxwv ntawm lub teeb yuag, kev cuam tshuam zoo, cov ntsiab lus carbon siab,kev ua haujlwm kub siab, tsis muaj volatilization ntawm qhov kub siab,kev tiv thaiv xeb, me mekev ua kom sov tau zoothiab kev khaws cia zoo.

Cov khoom muaj cov txiaj ntsig zoo li nram no: tom qab 1800 ~ 2500 ℃ kev kho mob kub siab, qhov sib txawv ntawm qhov kub ntawm ob qho taw tes ntawm lub ntaub tsis pub ntau tshaj 50 ℃, yog li cov khoom ua haujlwm ruaj khov. Vim tias nws yog kev tsim khoom tas mus li, nws tuaj yeem ua kom muaj kev sib xws ntawm cov khoom siv ntaub hauv txhua qhov dav thiab ntev.

Piv nrogcov pa roj carbonkho ntawm qhov kub qis (qis dua 900 ℃), graphite xav kho ntawm qhov kub siab (saum toj no 2200 ℃) muaj cov txiaj ntsig zoo li nram no:

(1) Qhov adsorption ntawm cov pa dej thiab lwm yam roj ntawm cov graphite felt yog 2 qhov kev txiav txim ntawm qhov loj dua li ntawm cov pa roj carbon kho ntawm qhov kub qis. Rau ntau lub nkoj kaw uas xav tau nqus tsev, qhov huv ntawm huab cua yog qhov tseem ceeb parameter. Txawm li cas los xij, vim yog qhov adsorption siab ntawm cov pa roj carbon kho qhov kub qis, nws nyuaj rau nqus tsev lub nkoj.

(2) Cov graphite felt muaj zog tiv taus thermal oxidation. Cov qauv ntawm cov pa roj carbon uas tsis muaj graphitization yog ib hom txheej txheem tsis sib xws. Qhov muaj ntau yam tsis zoo ntawm cov qauv ua rau nws qhov sib nrug ntawm txheej loj dua, thiab nws yooj yim rau kev tawm tsam los ntawm cov pa oxygen thiab oxidized. Lub lattice zoo meej thiab kev txiav txim siab peb-seem ntawm graphite felt tom qab kev kho kub siab txo qhov sib nrug ntawm txheej thiab ua rau nws tsis yooj yim rau kev tawm tsam los ntawm cov pa oxygen, yog li ua rau muaj peev xwm antioxidant ntau heev.

(3) Qhov huv ntawm graphite felt siab, thiab cov pa roj carbon ntau dua 99.5%. Cov pa roj carbon ntawm cov pa roj carbon kho kub qis feem ntau tsawg dua 93%, uas yooj yim ua rau muaj kuab paug rau ib puag ncig hauv lub cub tawg.

Hauv ib lo lus, kev kho cua sov graphite muaj qhov ua tau zoo dua thiab lub neej ua haujlwm ntev dua li qhov kub qis carbon.