Aluminom oxide alfa-phase 99.999% (ihe ndabere ọla)
| Aluminom Oxide | |
| Nọmba CAS | 1344-28-1 |
| Usoro ọgwụ | Al2O3 |
| Molar uka | 101.960 g · mol -1 |
| Ọdịdị | ọcha siri ike |
| Isi | enweghị isi |
| Njupụta | 3.987g / cm3 |
| Ebe mgbaze | 2,072°C(3,762°F;2,345K) |
| Ebe esi nri | 2,977°C(5,391°F;3,250K) |
| Solubility na mmiri | apụghị sosolument |
| Solubility | enweghị soluble na ihe mgbaze niile |
| logP | 0,3186 |
| Ọdịmma ndọta (χ) | -37.0×10-6cm3/mol |
| Thermal conductivity | 30W·m-1·K-1 |
Nkọwapụta ụlọ ọrụ makaAluminom oxide
| Akara | CrystalỤdị nhazi | Al2O3≥(%) | Mat.≤(%) | Nha urughuru | ||
| Si | Fe | Mg | ||||
| UMAO3N | a | 99.9 | - | - | - | 1-5 μm |
| 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 μm |
| UMAO6N | a | 99,999 | - | - | - | 1 ~ 10μm |
Mbukota: juru n'ọnụ na ịwụ ma mechie n'ime site cohesion ethene, net arọ bụ 20 kilogram kwa ịwụ.
Kedu ihe aluminom oxide na-eji?
Alumina (Al2O3)na-eje ozi dị ka akụrụngwa maka ọtụtụ ngwaahịa seramiiki dị elu yana onye na-arụsi ọrụ ike na nhazi kemịkalụ, gụnyere adsorbents, catalysts, microelectronics, chemicals, aerospace industry, and other high-tech area.Njirimara kachasị elu nke alumina nwere ike inye mee ka ọ dị mma maka iji ya n'ọtụtụ ngwa.Ụfọdụ n'ime ngwa ndị a na-ahụkarị na-abụghị mmepụta aluminom ka edepụtara n'okpuru.Ihe ndochi.N'ịbụ ndị na-adịghị ahụkebe na-acha ọcha na-acha ọcha, aluminom oxide bụ ihe na-ejuputa maka plastik.Glass.Ọtụtụ usoro nke iko nwere aluminum oxide dị ka ihe eji eme ihe.Catalysis Aluminom oxide na-eme ka mmeghachi omume dị iche iche bara uru na ụlọ ọrụ mmepụta ihe.Nchacha gas.A na-eji aluminom oxide eme ihe n'ọtụtụ ebe iji wepụ mmiri na iyi gas.Abrasive.A na-eji aluminom oxide mee ihe maka ike na ike ya.Agba.A na-eji flakes aluminom oxide mee ihe na agba maka mmetụta ịchọ mma na-egosipụta.Ngwakọta eriri.A na-eji aluminom oxide mee ihe n'ime ihe nyocha ole na ole na azụmahịa maka ngwa ọrụ dị elu (dịka, Fiber FP, Nextel 610, Nextel 720).Ihe agha ahụ.Ụfọdụ ihe agha ahụ na-eji alumina seramiiki efere, na-ejikọkarị ya na nkwado aramid ma ọ bụ UHMWPE iji nweta arụmọrụ megide ọtụtụ egwu egbe.Nchedo abrasion.Enwere ike itolite aluminom oxide dị ka mkpuchi na aluminom site na anodizing ma ọ bụ site na plasma electrolytic oxidation.Ihe mkpuchi eletrik.Aluminom oxide bụ ihe mkpuchi eletrik eji dị ka mkpụrụ (silicon na sapphire) maka sekit jikọtara ọnụ kamakwa dị ka ihe mgbochi ọwara maka imepụta ngwaọrụ ndị na-arụ ọrụ nke ọma dịka otu transistor electron na ngwaọrụ nnyonye anya quantum (SQUIDs).
Aluminom oxide, ịbụ a dielectric nwere dịtụ nnukwu band ọdịiche, na-eji dị ka ihe mgbochi mgbochi na capacitors.Na ọkụ ọkụ, translucent aluminum oxide na-eji na ụfọdụ sodium vapor oriọna.A na-ejikwa aluminom oxide na-akwadebe nkwusioru mkpuchi na kọmpat fluorescent oriọna.N'ime ụlọ nyocha kemịkalụ, aluminom oxide bụ usoro maka chromatography, dị na isi (pH 9.5), acidic (pH 4.5 mgbe ọ nọ na mmiri) na usoro nnọpụiche.Ngwa ahụike na ahụike gụnyere ya dị ka ihe eji dochie hip na ọgwụ mgbochi ịmụ nwa.A na-eji ya dị ka scintillator na dosimeter maka nchebe radieshon na ngwa ọgwụgwọ maka akụrụngwa luminescence na-akpali anya ya.A na-emepụta ihe mkpuchi maka ọkụ ọkụ dị elu site na aluminum oxide.A na-ejikarị obere iberibe aluminum oxide eme ihe dị ka ibe esi esi na kemịl.A na-ejikwa ya eme ihe mkpuchi ọkụ ọkụ.N'iji usoro ịgbasa plasma ma gwakọta ya na titania, a na-ekpuchi ya n'elu braking nke ụfọdụ rim igwe iji mee ka abrasion na eyi ihe mgbochi.Ọtụtụ anya seramiiki na mkpanaka ịkụ azụ bụ mgbanaka okirikiri emere site na aluminum oxide.N'ụdị ntụ ntụ kachasị mma (ọcha), nke a na-akpọ Diamantine, a na-eji aluminom oxide mee ihe dị ka ihe na-egbuke egbuke dị elu n'ime elekere na ime elekere.A na-ejikwa aluminum oxide na mkpuchi nke stanchions na cross moto na igwe igwe igwe ugwu.A na-ejikọta mkpuchi a na molybdenum disulfate iji nye mmanu ogologo oge nke elu.
