i lalo1

Aluminium oxide alpha-phase 99.999% (metala faavae)

Fa'amatalaga Puupuu:

Aluminium Oxide (Al2O3)o se mea tioata pa'epa'e pe toetoe a leai ni lanu, ma o se vaila'au fa'ama'i o le alumini ma le okesene.E faia mai le bauxite ma e masani ona taʻua o le alumina ma e mafai foi ona taʻua o le aloxide, aloxite, poʻo le alundum e faʻatatau i faʻapitoa poʻo faʻaoga.Al2O3 e taua tele i lona faʻaaogaina e gaosia ai le uʻamea alumini, e pei o se abrasive ona o lona maaa, ma o se mea faʻafefe ona o lona maualuga maualuga.


Fa'amatalaga Oloa

AluminumOxide
Numera CAS 1344-28-1
Fua fa'ameamea Al2O3
Molar mass 101.960 g · mol −1
Fa'aaliga pa'epa'e malo
Sogisogi leai se manogi
Malosi 3.987g/cm3
Liu liusuavai 2,072°C(3,762°F;2,345K)
Fa'apuna 2,977°C(5,391°F;3,250K)
Solubility i le vai e le mafai ona fa'afefeteina
Solubility e le mafai ona solu i so'o se vaifofo
logP 0.3186
Fa'aletonu fa'amaneta(χ) −37.0×10−6cm3/mol
Fa'avevela vevela 30W·m−1·K−1

Atina'e Fa'amatalaga moAluminium Oxide

Faailoga tioataItuaiga Fauga Al2O3≥(%) Fala i fafo.≤(%) Lapo'a La'au
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

afifiina: teuina i totonu o pakete ma faʻamaufaʻailoga i totonu e le cohesion ethene, mamafa mamafa e 20 kilokalama i le pakete.

O le a le mea e fa'aoga ai le Aluminium Oxide?

Alumina (Al2O3)'au'auna e fai ma mea mata mo le tele o oloa sima maualuga ma o se sui malosi i le gaosiga o vailaʻau, e aofia ai adsorbents, catalysts, microelectronics, vailaʻau, alamanuia aerospace, ma isi vaega maualuga-tekonolosi.Ole uiga maualuga ole alumina e mafai ona ofoina atu e faʻaoga lelei mo le faʻaaogaina i le tele o talosaga.O nisi o talosaga sili ona taatele i fafo atu o le gaosiga alumini o loʻo lisiina i lalo.Fa'atumu.O le fa'agata fa'ama'i ma le pa'epa'e, o le alumini oxide o se fa'atumu fa'apitoa mo palasitika.Glass.O le tele o faʻasologa o tioata o loʻo i ai le alumini oxide e fai ma mea faʻaoga.Catalysis Aluminum oxide e fa'apipi'i ai le tele o fa'agaioiga e aoga i fale gaosimea.Fa'amama kasa.O le alumini oxide e masani ona faʻaaogaina e aveese ai le vai mai le kesi.Abrasive.Alumini oxide e faʻaaogaina mo lona maaa ma le malosi.vali.Aluminum oxide flakes e faʻaaogaina i vali mo faʻaaliga teuteu.Alava tu'ufa'atasi.O le alumini oxide ua fa'aaogaina i nai mea fa'ata'ita'i ma fa'atau pisinisi mo fa'aoga maualuga (fa'ata'ita'iga, Fiber FP, Nextel 610, Nextel 720).Fa'aofuofu tino.O nisi o ofutau o le tino e fa'aogaina ai le alumina ceramic plates, e masani lava ona tu'ufa'atasia ma le aramid po'o le UHMWPE lagolago e ausia ai le aoga i le tele o fa'amata'u fana.Puipuiga abrasion.Alumini oxide e mafai ona tupu e pei o se ufiufi i luga o le alumini e ala i le anodizing poʻo le plasma electrolytic oxidation.Insulation eletise.O le alumini oxide o se insulator eletise e faʻaaogaina e fai ma substrate (silikoni i luga o le safaira) mo fesoʻotaʻiga tuʻufaʻatasia ae faʻapea foʻi ma se pa puipui mo le fausiaina o masini superconducting e pei o transistors eletise tasi ma superconducting quantum interference device (SQUIDs).

Aluminium Oxide, i le avea o se dielectric ma e fai si tele le va o fusi, e faʻaaogaina e fai ma pa puipui insulating i capacitors.I moli, e faʻaaogaina le alumini oxide e faʻaaogaina i nisi moli vaʻa sodium.O lo'o fa'aogaina fo'i le alumini oxide i le tapenaina o fa'alavalava fa'alava i moli fa'ama'i.I fale su'esu'e kemisi, o le alumini oxide ose ala mo le chromatography, e maua i le faavae (pH 9.5), acidic (pH 4.5 pe a i totonu o le vai) ma mea e le tutusa.O talosaga fa'alesoifua maloloina ma fa'afoma'i e aofia ai e fai ma mea e sui ai suilapalapa ma fuala'au fa'anatinati.O lo'o fa'aaogaina e fai ma scintillator ma le dosimeter mo le puipuiga o le fa'avevela ma le fa'aogaina o togafitiga mo ana mea e fa'aosofia ai le malamalama.O le faʻamalama mo ogaumu vevela maualuga e masani ona gaosia mai le alumini oxide.E masani ona fa'aogaina ni fasi meata'i fa'alaiti ole alumini e fai ma meata'i fa'apuna ile kemisi.E fa'aaogaina fo'i e fai ai ni insulators polo.O le fa'aogaina o le fa'asu'iina o le plasma ma fa'afefiloi ma le titania, o lo'o fa'apipi'iina i luga o le mea e taofi ai nisi o uili uila e maua ai le abrasion ma le fa'asao.O le tele o mata sima i luga o fagota o mama lapotopoto e faia mai le alumini oxide.I lona pito sili ona lelei o le pauta (pa'epa'e), e ta'ua o le Diamantine, alumini oxide o lo'o fa'aaogaina e fai ma mea fa'alelei sili atu i le gaosiga o le uati ma le uati.O loʻo faʻaaogaina foʻi le alumini oxide i le faʻapipiʻiina o faʻamau i totonu o le afi afi ma le uila afi.O lenei faʻapipiʻi ua tuʻufaʻatasia ma le molybdenum disulfate e tuʻuina atu ai le lubrication umi o luga.


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