litaba

Phofo ea silicate ea aluminium ea maiketsetso e etsoa ka mekhoa ea lik'hemik'hale. Mokhoa oa sol-gel, mohlala, o kenyelletsa ho sebetsana le letsoai la aluminium (mohlala, aluminium nitrate) le li-precursor tse nang le silicon (joalo ka tetraethyl orthosilicate) ka har'a tharollo ea metsi. Karabelo ena e etsa gel, e ntan'o omisoa le ho tšeloa ka calcium mochesong o phahameng (800 - 1200°C) ho hlahisa phofo e ntle-grained. Ho kopanya hydrothermal ke mokhoa o mong, moo thepa e tala e arabelang tlas'a khatello e phahameng le mocheso ka metsing, e nolofalletsang taolo e nepahetseng holim'a boholo ba likaroloana le sebopeho.

Phofo ea silicate ea aluminium e bontša botsitso bo ikhethang ba mocheso, ka ntlha ea ho qhibiliha e fetang 1600°C, e leng se etsang hore e lokele lits'ebetso tsa mocheso o phahameng. Khanyetso ea eona e phahameng ea lik'hemik'hale e hanela mafome a tsoang ho li-acid le li-alkali tse ngata, ha tsamaiso ea eona e tlase ea mocheso e fana ka tšireletso e ntle haholo. Boholo ba likaroloana tsa phofo, ho tloha ho sub-micrometer ho isa ho li-micrometer tse 'maloa, bo susumetsa ts'ebetso ea eona le ho qhalana ha eona. Mefuta e fetotsoeng ea bokaholimo, e phekoloang ka silane kapa li-polymer, e ntlafatsa ho lumellana le lisebelisoa tse ling.

Ka har'a li-ceramic, e sebetsa e le motsoako oa bohlokoa ka har'a porcelain, lisebelisoa tsa majoe le li-refractories, e ntlafatsa matla a mechini le ho fokotsa katoloso ea mocheso. Mohlala, ka har'a li-pancreas tsa ontong, li-refractories tse thehiloeng ho aluminium silicate li mamella mocheso ho fihlela ho 1800°C. Tlhahisong ea pampiri, e sebetsa e le pigment e koahelang, e eketsa khanya, ho se bonahale le ho hatisoa habonolo. Indasteri ea litlolo e e sebelisa e le tlatsetso ea phofo le litlolo, e fanang ka sebopeho se boreleli le thepa e monyang oli.​

Kahong, thepa ea ho thibela mocheso e thehiloeng ho aluminium silicate, joalo ka likobo tsa faeba le mapolanka, e sebelisoa mehahong le litsing tsa indasteri ho fokotsa phetiso ea mocheso. Ka har'a lisebelisoa tsa elektroniki, e akaretsa lipotoloho tse kopantsoeng ka lebaka la bokhoni ba eona ba ho thibela mocheso le ho qhala ha mocheso. Ho feta moo, phofo e sebelisoa kalafong ea metsi ho monya litšepe tse boima le litšila tsa tlhaho, e sebelisa sebaka sa eona se seholo sa bokaholimo le bokhoni ba phapanyetsano ea ion.


Nako ea poso: Phuptjane-25-2025