I-aluminium oxide alpha-phase 99.999% (isiseko sesinyithi)
| I-AluminiumOxide | |
| Inombolo ye-CAS | 1344-28-1 |
| Ifomula yekhemikhali | Al2O3 |
| Ubunzima be-Molar | 101.960 g · mol −1 |
| Inkangeleko | i-white solid |
| Ivumba elibi | ayinavumba |
| Uxinano | 3.987g/cm3 |
| Indawo yokunyibilika | 2,072°C(3,762°F;2,345K) |
| Indawo yokubila | 2,977°C(5,391°F;3,250K) |
| Ukunyibilika emanzini | ayinyibiliki |
| Ukunyibilika | ayinyibiliki kuzo zonke izinyibilikisi |
| i-logP | 0.3186 |
| Ukuthambekela kwemagnethi (χ) | −37.0×10−6cm3/mol |
| Ukuqhuba kobushushu | 30W·m−1·K−1 |
Inkcazo yeShishini yeI-okside yealuminiyam
| Isimboli | IkristaleUhlobo lwesakhiwo | Al2O3≥(%) | UMat wangaphandle. ≤(%) | Ubungakanani beParticle | ||
| Si | Fe | Mg | ||||
| UMAO3N | a | 99.9 | - | - | - | 1~5μm |
| I-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 |
Ukupakisha: kupakishwe kwibhakethi kwaye kutywinwe ngaphakathi yi-cohesion ethene, ubunzima obucocekileyo yi-20 kg ngebhakethi.
Isetyenziselwa ntoni iAluminium Oxide?
I-Alumina (Al2O3)Isebenza njengezinto eziluhlaza kwiintlobo ngeentlobo zeemveliso zeseramikhi eziphambili kwaye njengearhente esebenzayo ekucutshungulweni kweekhemikhali, kubandakanya ii-adsorbents, ii-catalysts, ii-microelectronics, iikhemikhali, ishishini leenqwelo moya, kunye nezinye iindawo zobugcisa obuphezulu. Iimpawu eziphezulu ezinokubonelelwa yi-alumina zenza ukuba ilungele ukusetyenziswa kwiindawo ezininzi. Ezinye zezona zicelo zixhaphakileyo ngaphandle kwemveliso ye-aluminium zidweliswe ngezantsi. Izizalisi. Ekubeni i-aluminium oxide ingangeni kwaye imhlophe ngokwaneleyo, isizalisi esithandwayo seplastiki. Iglasi. Iifomyula ezininzi zeglasi zine-aluminium oxide njengesithako. I-Catalysis I-aluminium oxide ivuselela iintlobo ngeentlobo zeempendulo eziluncedo kwimizi-mveliso. Ukucocwa kwegesi. I-aluminium oxide isetyenziswa kakhulu ukususa amanzi kwimijelo yegesi. I-Abrasive. I-aluminium oxide isetyenziselwa ubulukhuni bayo kunye namandla ayo. Ipeyinti. Iiflakes ze-aluminium oxide zisetyenziswa kwipeyinti ukuze kubonakale imiphumo yokuhombisa. I-Composite fiber. I-aluminium oxide isetyenziswe kwizixhobo ezimbalwa zefayibha zovavanyo kunye nezentengiso kwizicelo zokusebenza okuphezulu (umz., iFiber FP, iNextel 610, iNextel 720). Isikhuselo somzimba. Ezinye izikhuselo zomzimba zisebenzisa iipleyiti ze-alumina ceramic, zihlala zidibene ne-aramid okanye i-UHMWPE backing ukuze ziphumelele ngokuchasene neentlobo ezininzi zeengozi zemipu. Ukhuseleko lokukrala. I-aluminium oxide ingakhuliswa njengengubo kwi-aluminium ngokuyi-anodizing okanye nge-plasma electrolytic oxidation. Ukufakelwa kombane. I-aluminium oxide sisithinteli sombane esisetyenziswa njenge-substrate (i-silicon kwi-sapphire) kwiisekethe ezidibeneyo kodwa ikwangumqobo we-tunnel wokwenziwa kwezixhobo ze-superconducting ezifana nee-transistors ze-electron enye kunye nezixhobo ze-superconducting quantum interference (ii-SQUID).
I-okside yealuminiyam, ekubeni yi-dielectric ene-band gap enkulu, isetyenziswa njengesithintelo sokukhusela kwii-capacitors. Ekukhanyiseni, i-aluminium oxide ekhanyayo isetyenziswa kwezinye izibane zomphunga we-sodium. I-aluminium oxide ikwasetyenziswa ekulungiseleleni ii-suspensions zokugquma kwizibane ezikhanyayo ezixineneyo. Kwiilabhoratri zekhemistri, i-aluminium oxide yindlela yokusetyenziswa kwe-chromatography, efumaneka kwi-basic (pH 9.5), i-acidic (pH 4.5 xa isemanzini) kunye ne-neutral formulations. Isetyenziswa kwimpilo nakwizonyango njengezinto ezisetyenziswa ekutshintsheni i-hip kunye neepilisi zokulawula ukuzalwa. Isetyenziswa njenge-scintillator kunye ne-dosimeter yokukhusela imitha kunye nezicelo zonyango ngenxa yeempawu zayo zokukhanya ezivuselelweyo ngokubonakalayo. Ukufakwa kwe-insulation kwii-oven ezishushu kakhulu kudla ngokwenziwa nge-aluminium oxide. Iziqwenga ezincinci ze-aluminium oxide zihlala zisetyenziswa njengee-chips ezibilisayo kwikhemistri. Ikwasetyenziselwa ukwenza i-spark plug insulators. Isebenzisa inkqubo yokutshiza nge-plasma kwaye ixutywe ne-titania, igqunywa kumphezulu wokubhuleka kwezinye iirim zebhayisekile ukubonelela ngokumelana nokukrala kunye nokuguguleka. Uninzi lwamehlo e-ceramic kwiintonga zokuloba ziindandatho ezijikelezayo ezenziwe nge-aluminium oxide. Kwimo yayo ecocekileyo (emhlophe), ebizwa ngokuba yiDiamantine, i-aluminium oxide isetyenziswa njenge-abrasive yokupholisha engcono kakhulu ekwenzeni iiwotshi nasekwenzeni iiwotshi. I-aluminium oxide ikwasetyenziswa ekugqumeni ii-stanchions kushishino lweemoto kunye neebhayisekile zeentaba. Olu gquma ludityaniswe ne-molybdenum disulfate ukubonelela nge-lubrication yexesha elide kumphezulu.
