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Aluminium oxyde alpha-icyiciro 99,999% (ishingiro ryibyuma)

Ibisobanuro bigufi:

Oxide ya Aluminium (Al2O3)ni ikintu cyera cyangwa hafi kitagira ibara rya kristaline, hamwe nubumara bwa aluminium na ogisijeni.Ikozwe muri bauxite kandi ikunze kwitwa alumina kandi irashobora no kwitwa aloxide, aloxite, cyangwa alundum bitewe nuburyo bwihariye cyangwa porogaramu.Al2O3 ifite akamaro kanini mugukoresha mu gukora ibyuma bya aluminiyumu, nkibintu bitesha agaciro bitewe nubukomere bwayo, kandi nkibikoresho bivunika bitewe nubushyuhe bwayo buhanitse.


Ibicuruzwa birambuye

Aluminium
Numero ya CAS 1344-28-1
Imiti yimiti Al2O3
Imirase 101.960 g · mol −1
Kugaragara cyera gikomeye
Impumuro impumuro nziza
Ubucucike 3.987g / cm3
Ingingo yo gushonga 2.072 ° C (3,762 ° F; 2,345K)
Ingingo yo guteka 2,977 ° C (5.391 ° F; 3,250K)
Gukemura amazi kutabasha
Gukemura idashobora gukemuka mumashanyarazi yose
logP 0.3186
Magnetic byoroshye (χ) −37.0 × 10−6cm3 / mol
Amashanyarazi 30W · m - 1 · K - 1

Ibiranga imishinga yaOxide ya Aluminium

Ikimenyetso CrystalUbwoko bw'imiterere Al2O3≥ (%) Mat yo mu mahanga.≤ (%) Ingano ya Particle
Si Fe Mg
UMAO3N a 99.9 - - - 1 ~ 5 mm
UMAO4N a 99.99 0.003 0.003 0.003 100 ~ 150nm
UMAO5N a 99.999 0.0002 0.0002 0.0001 0.2 ~ 10 mm
UMAO6N a 99.9999 - - - 1 ~ 10 mm

Gupakira: gupakira mu ndobo no gufungwa imbere na cohesion ethene, uburemere bwikiro ni kilo 20 kurindobo.

Aluminium Oxide ikoreshwa iki?

Alumina (Al2O3)ikora nk'ibikoresho fatizo by'ibicuruzwa byinshi byateye imbere kandi nk'umukozi ukora mu gutunganya imiti, harimo adsorbents, catalizator, microelectronics, imiti, inganda zo mu kirere, n'ahandi mu buhanga buhanitse.Ibiranga alumina irashobora gutanga ituma biba byiza gukoreshwa mubisabwa byinshi.Bimwe mubisanzwe bikoreshwa hanze yumusaruro wa aluminium urutonde hepfo.Abuzuza.Kuba muburyo bwa chimique inert kandi yera, oxyde ya aluminium niyuzuza plastike.Ikirahure. Ibyinshi mubirahuri bifite oxyde ya aluminium nkibigize.Catalizike Aluminium oxyde itanga reaction zitandukanye zingirakamaro mubikorwa byinganda.Gusukura gaze.Aluminium oxyde ikoreshwa cyane mugukuramo amazi mumigezi ya gaze.Abrasive.Aluminium oxyde ikoreshwa mubukomere bwayo n'imbaraga zayo.Irangi.Amashanyarazi ya aluminium akoreshwa mu gusiga irangi ryerekana ingaruka nziza.Fibre fibre.Aluminium oxyde yakoreshejwe mubikoresho bike byubushakashatsi nubucuruzi bwa fibre yubushakashatsi bukoreshwa cyane (urugero, Fibre FP, Nextel 610, Nextel 720).Intwaro z'umubiri. Intwaro zimwe z'umubiri zikoresha plaque ya alumina ceramic, mubisanzwe ifatanije na aramid cyangwa UHMWPE inyuma kugirango igere kumikorere irwanya iterabwoba ryinshi.Kurinda abrasion.Okiside ya aluminiyumu irashobora guhingwa nkigifuniko cya aluminium ukoresheje anodizing cyangwa na okiside ya plasma electrolytike.Amashanyarazi.Aluminium oxyde ni insuliranteri y'amashanyarazi ikoreshwa nka substrate (silicon kuri safiro) kumuzunguruko uhuriweho ariko kandi nkinzitizi ya tunnel yo guhimba ibikoresho birenze urugero nka tristoriste imwe ya electron hamwe nibikoresho bya interineti byangiza (SQUIDs).

Oxide ya Aluminium, kuba dielectric ifite intera nini ugereranije, ikoreshwa nkinzitizi yo gukumira muri capacator.Mu kumurika, oxyde ya aluminiyumu ikoreshwa mu matara amwe n'amwe ya sodium.Aluminium oxyde nayo ikoreshwa mugutegura guhagarikwa gutwikiriye mumatara magufi ya fluorescent.Muri laboratoire ya chimie, oxyde ya aluminium ni uburyo bwa chromatografiya, iboneka muri shingiro (pH 9.5), aside (pH 4.5 iyo iri mumazi) hamwe na formulaire idafite aho ibogamiye.Ubuzima hamwe nubuvuzi bukubiyemo nkibikoresho byo gusimbuza ikibuno hamwe n'ibinini byo kuboneza urubyaro.Ikoreshwa nka scintillator na dosimeter mukurinda imirasire hamwe nubuvuzi bukoreshwa muburyo bwiza bwa luminescence.Gukingira itanura ryubushyuhe bwo hejuru akenshi bikorwa muri oxyde ya aluminium.Ibice bito bya aluminium oxyde ikoreshwa nkibishishwa bitetse muri chimie.Irakoreshwa kandi mugukora insimburangingo.Ukoresheje uburyo bwo gutera plasma hanyuma ukavangwa na titania, ushyizwe hejuru hejuru ya feri yikigare cyamagare kugirango utange abrasion no kwambara.Amaso menshi yubutaka ku nkoni zuburobyi ni impeta zizunguruka zikoze muri oxyde ya aluminium.Mu buryo bwiza cyane bwifu (bwera), bwitwa Diamantine, oxyde ya aluminiyumu ikoreshwa nkibikoresho bisumba byose mu gukora amasaha no gukora amasaha.Aluminium oxyde nayo ikoreshwa mugutwikiriye stanchion mumusaraba wa moteri hamwe ninganda zamagare kumusozi.Iyi coating ihujwe na molybdenum disulfate kugirango itange amavuta maremare yubuso.


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