Graphite e sebelisoa haholo tlhahisong ea lisebelisoa tsa lik'hemik'hale ka lebaka la ho hanyetsa ha eona mafome hantle, ho tsamaisa motlakase le botsitso ba mocheso. Leha ho le joalo, graphite e na le litšobotsi tse fokolang tsa mechini, haholo-holo tlas'a maemo a ho thothomela le a ho otla.Faeba ea khalase, e le thepa e kopaneng e sebetsang hantle, e fana ka melemo e meholo ha e sebelisoa lisebelisoa tsa lik'hemik'hale tse thehiloeng ho graphite ka lebaka la ho hanyetsa mocheso, ho hanyetsa mafome, le thepa e phahameng ea mechini. Melemo e ikhethang e kenyelletsa:
(1) Tshebetso e Ntlafaditsweng ya Mekaniki
Matla a ho thapolla a faeba ya khalase a ka fihla ho 3,450 MPa, a fetang haholo a graphite, eo hangata e leng pakeng tsa 10 le 20 MPa. Ka ho kenyelletsa faeba ya khalase ka hara thepa ya graphite, tshebetso yohle ya mechini ya disebediswa e ka ntlafatswa haholo, ho kenyeletswa le ho hanyetsa tshusumetso le ho thothomela.
(2) Khanyetso ea ho Sila
Faeba ea khalase e bontša khanyetso e ntle haholo ho boholo ba li-acid, alkali le li-solvents. Leha graphite ka boeona e hanela mafome haholo,khalase ea faebae ka fana ka tshebetso e phahameng haholo dibakeng tse feteletseng tsa dikhemikhale, tse kang maemo a mocheso o phahameng le a kgatello e phahameng, sepakapaka se nang le oxidizing, kapa dibakeng tsa hydrofluoric acid.
(3) Thepa e Ntlafalitsoeng ea Thermal
Faeba ya khalase e na le coefficient e tlase haholo ya katoloso ya mocheso (CTE) ya hoo e ka bang 5.0×10−7/°C, e netefatsang botsitso ba tekanyo tlasa kgatello ya mocheso. Ho feta moo, ntlha ya yona e phahameng ya ho qhibiliha (1,400–1,600°C) e fana ka kganyetso e ikgethang ya mocheso o phahameng. Dibopeho tsena di nolofalletsa disebediswa tsa graphite tse matlafaditsweng ka fiber ya khalase ho boloka botsitso ba sebopeho le tshebetso dibakeng tse nang le mocheso o phahameng tse nang le phetoho e nyane.
(4) Melemo ea Boima
Ka boima ba hoo e ka bang 2.5 g/cm3, faeba ya khalase e boima hanyane ho feta graphite (2.1–2.3g/cm3) empa e bobebe haholo ho feta thepa ya tshepe jwalo ka tshepe kapa aluminium. Ho kopanya faeba ya khalase ka hara disebediswa tsa graphite ho ntlafatsa tshebetso ntle le ho eketsa boima haholo, ho boloka mofuta wa sesebediswa o le bobebe le o nkehang habobebe.
(5) Ho Boloka Litšenyehelo
Ha ho bapisoa le metsoako e meng e sebetsang hantle (mohlala, faeba ea khabone), faeba ea khalase e theko e tlaase haholoanyane, e leng se etsang hore e be molemo bakeng sa lits'ebetso tse kholo tsa indasteri:
Litšenyehelo tsa Thepa e Tala:Faeba ea khalasehaholo-holo e sebelisa khalase e theko e tlase, athe faeba ea khabone e itšetlehile ka acrylonitrile e turang.
Litšenyehelo tsa Tlhahiso: Lisebelisoa ka bobeli li hloka ts'ebetso ea mocheso o phahameng le khatello e phahameng, empa tlhahiso ea faeba ea khabone e kenyelletsa mehato e meng e rarahaneng (mohlala, polymerization, ho tsitsisa oxidation, carbonization), ho phahamisa litšenyehelo.
Ho Sebelisa Hape le ho Lahla: Faeba ea khabone e thata ho e sebelisa hape 'me e baka likotsi tsa tikoloho haeba e sa sebetsoe hantle, e leng se lebisang litšenyehelong tse phahameng tsa ho lahla. Faeba ea khalase, ka lehlakoreng le leng, e laoleha habonolo ebile e mosa ho tikoloho maemong a ho qetela a bophelo.
Nako ea poso: Mmesa-24-2025
