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Aluminium oxide alpha-phase 99.999% (motheo oa tšepe)

Tlhaloso e Khutšoanyane:

Okside ea Aluminium (Al2O3)ke ntho e kristale e tšoeu kapa e batlang e se na mmala, mme ke motsoako wa dikhemikhale wa aluminium le oksijene. E entswe ka bauxite le eo hangata e bitswang alumina mme e ka boela ya bitswa aloxide, aloxite, kapa alundum ho latela dibopeho kapa ditshebediso tse itseng. Al2O3 e bohlokwa tshebedisong ya yona ho hlahisa tshepe ya aluminium, e le ntho e kgopamisang ka lebaka la ho thatafala ha yona, le e le thepa e hanyetsang ka lebaka la ntlha ya yona e phahameng ya ho qhibiliha.


Qaqiso ea Sehlahisoa

AluminiumOxide
Nomoro ea CAS 1344-28-1
Foromo ea lik'hemik'hale Al2O3
Boima ba molar 101.960 g · mol −1
Ponahalo se tiileng se sesoeu
Monko o mobe ha e na monko
Botenya 3.987g/cm3
Sebaka sa ho qhibiliha 2,072°C(3,762°F;2,345K)
Sebaka sa ho belisa 2,977°C(5,391°F;3,250K)
Ho qhibiliha ha metsi e sa qhibiliheng
Ho qhibiliha ha metsi ha e qhibilihe lithapong tsohle
logP 0.3186
Ho tsieleha ha makenete (χ) −37.0×10−6cm3/mol
Ho khanna ha mocheso 30W·m−1·K−1

Tlhaloso ea Khoebo bakeng saOkside ea Aluminium

Letšoao KristaleMofuta oa Sebopeho Al2O3≥(%) Mat ea kantle ho naha. ≤(%) Boholo ba Likaroloana
Si Fe Mg
UMAO3N a 99.9 - - - 1 ~ 5μm
UMAO4N a 99.99 0.003 0.003 0.003 100~150nm
UMAO5N a 99.999 0.0002 0.0002 0.0001 0.2 ~ 10μm
UMAO6N a 99.9999 - - - 1 ~ 10μm

Ho paka: ho pakiloe ka baketeng mme ho kwalwa kahare ka ethene e kopaneng, boima ba letlooa ke 20 kg ka bakete.

Aluminium Oxide e sebelisetsoa eng?

Alumina (Al2O3)e sebetsa e le thepa e tala bakeng sa mefuta e mengata ea lihlahisoa tse tsoetseng pele tsa letsopa le e le moemeli ea sebetsang ts'ebetsong ea lik'hemik'hale, ho kenyeletsoa li-adsorbents, li-catalyst, li-microelectronics, lik'hemik'hale, indasteri ea lifofane, le sebaka se seng sa theknoloji e phahameng. Litšobotsi tse phahameng tseo alumina e ka fanang ka tsona li etsa hore e be e loketseng ho sebelisoa lits'ebetsong tse ngata. Tse ling tsa lits'ebetso tse tloaelehileng ka ntle ho tlhahiso ea aluminium li thathamisitsoe ka tlase. Li-filler. Kaha aluminium oxide ha e sebetse hantle ebile e tšoeu, ke setlatsetsi se ratoang bakeng sa polasetiki. Khalase. Mefuta e mengata ea khalase e na le aluminium oxide e le motsoako. Catalysis Aluminium oxide e susumetsa mefuta e fapaneng ea liketso tse thusang indastering. Tlhoekiso ea khase. Aluminium oxide e sebelisoa haholo ho tlosa metsi melapong ea khase. E halefisa. Aluminium oxide e sebelisoa ka lebaka la ho thatafala le matla a eona. Pente. Li-flakes tsa aluminium oxide li sebelisoa penteng bakeng sa litlamorao tse bonahatsang tsa mekhabiso. Faeba e kopaneng. Aluminium oxide e sebelisitsoe lisebelisoa tse 'maloa tsa faeba tsa liteko le tsa khoebo bakeng sa lits'ebetso tse phahameng (mohlala, Fiber FP, Nextel 610, Nextel 720). Lihlomo tsa 'mele. Lihlomo tse ling tsa 'mele li sebelisa lipoleiti tsa alumina ceramic, hangata li kopantsoe le aramid kapa UHMWPE battle ho fihlela katleho khahlanong le litšokelo tse ngata tsa lithunya. Tšireletso ea ho ruruha. Aluminium oxide e ka lengoa e le sekoahelo holim'a aluminium ka anodizing kapa ka plasma electrolytic oxidation. Ho thibela motlakase. Aluminium oxide ke insulator ea motlakase e sebelisoang e le substrate (silicon holim'a safire) bakeng sa lipotoloho tse kopantsoeng empa hape e le thibelo ea kotopo bakeng sa tlhahiso ea lisebelisoa tse tsamaisang lintho tse ngata tse kang li-transistors tsa elektrone e le 'ngoe le lisebelisoa tsa ho sitisa tse tsamaisang lintho tse ngata tse tsamaisang lintho tse ngata (SQUIDs).

Okside ea Aluminium, kaha ke dielectric e nang le lekhalo le leholo la sehlopha, e sebediswa e le thibelo ya ho thibela ho kwahela ka hara di-capacitor. Maboneng, aluminium oxide e bonaletsang e sebediswa maboneng a mang a mouoane wa sodium. Aluminium oxide e boetse e sebediswa ho lokiseng di-suspension tsa ho kwahela ka hara mabone a kopaneng a fluorescent. Dilaboratoring tsa k'hemistri, aluminium oxide ke mokga wa chromatography, o fumanehang ka hara di-basic (pH 9.5), acidic (pH 4.5 ha e le ka metsing) le di-formulations tse sa nke lehlakore. Ditshebediso tsa bophelo bo botle le tsa bongaka di e kenyelletsa e le thepa ya ho nkela sebaka letheka le dipilisi tsa thibelo ya tswalo sebaka. E sebediswa e le scintillator le dosimeter bakeng sa tshireletso ya mahlaseli le ditshebediso tsa kalafo bakeng sa thepa ya yona ya kganya e hlasimolotsweng ke optically. Insulation bakeng sa dionto tsa mocheso o phahameng hangata e etswa ka aluminium oxide. Dikarolo tse nyane tsa aluminium oxide hangata di sebediswa e le di-chips tse belang k'hemistring. E boetse e sebediswa ho etsa di-insulator tsa spark plug. Ka ho sebedisa mokgwa wa ho fafatsa ka plasma mme e kopantswe le titania, e kwahelwa hodima bokahodimo ba di-rim tse ding tsa dibaesekele ho fana ka ho kgopama le ho hanyetsa ho tsofala. Mahlo a mangata a ceramic hodima dithupa tsa ho tshwasa ditlhapi ke masale a chitja a entsweng ka aluminium oxide. Ka sebopeho sa yona se setle ka ho fetisisa sa phofo (e tshweu), se bitswang Diamantine, aluminium oxide e sebediswa e le sesebelisoa se benyang haholo ho etseng dioache le ho di etsa. Aluminium oxide e boetse e sebediswa ho phutheleng di-stanchions indastering ya di-motor cross le dibaesekele tsa dithaba. Kobo ena e kopantswe le molybdenum disulfate ho fana ka setlolo sa nako e telele hodima bokahodimo.


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