Txhawm rau tiv thaiv cov xeb kev puas tsuaj los ntawm oxidation ntawm cov ntaub ntawv kub, nws yog ib qho tsim nyog tiv thaiv tus ncej ntsuas hluav taws xob los ntawm oxidation ntawm kub. Txhawm rau nrhiav hom flake cable graphite olidation tsho tiv no, peb yuav tsum xub tiv tus siab kub thiab kev sib cav.
Zoo, zoo corrosion tsis kam, muaj zog oxidation tiv taus, siab hardness thiab lwm yam ntxwv. Cov hauv qab no xiaobian qhia cov hau kev los tiv thaiv kev tso quav ntawm graphite los ntawm oxidized ntawm qhov kub:
1. Siv cov ntaub ntawv nrog vapor siab tsawg dua 0.1333mpa (1650 * c) thiab ua tau zoo heev.
2. Xaiv cov iav theem khoom siv uas ua tau raws li kev xav tau kev ua tau zoo raws li cov khoom sib khi ntawm tus kheej, thiab ua kom nws ua cov khoom siv sib tsoo ntawm kev ua haujlwm kub.
3. Raws li txoj haujlwm ntawm cov qauv hluav taws xob pub dawb ntawm cov tshuaj tiv thaiv nrog cov pa roj oxygen (1650-1750 * Tom qab oxidation, ib theem tshiab nrog cov ntawv sib piv ntawm cov theem qub yog tsim.
Loj, uas yog pab tau los thaiv cov inward diffusion channel ntawm oxygen thiab tsim cov kab mob oxidation.
4. Ntawm kev ua haujlwm kub, ntau tus lej suav nrog xws li al2o3, sio2 thiab ntau tshaj plaws rau tus kheej los ntawm Molten Steel maj mam sau cov txheej.
The oxidation temperature of flake graphite produced in China is 560815°C when the carbon content is 88%96% and the particle size is more than 400 meshes. Ntawm lawv, thaum lub particle loj ntawm graphite yog 0.0970.105mm, oxidation cov ntsiab lus nrog ntau dua li 90% cov ntsiab lus carbon (C thiab cov pa roj carbon ntau dua 90%.
Cov oxidation kub ntawm number cas yog 620790 C. Qhov zoo dua ntawm cov xim flake graphite yog, thiab tsawg dua cov oxidation phaus poob yog nyob kub.
Lub sij hawm ncua: Mar-20-2023