Aluminum oxide alpha-phase 99.999% (tushen ƙarfe)
| Aluminum oxide | |
| Lambar CAS | 1344-28-1 |
| Tsarin sinadaran | Al2O3 |
| Molar taro | 101.960 g · mol -1 |
| Bayyanar | farin m |
| wari | mara wari |
| Yawan yawa | 3.987g/cm 3 |
| Wurin narkewa | 2,072°C(3,762°F;2,345K) |
| Wurin tafasa | 2,977°C(5,391°F; 3,250K) |
| Solubility a cikin ruwa | marar narkewa |
| Solubility | insoluble a duk sauran kaushi |
| logP | 0.3186 |
| Maganin rashin ƙarfi na Magnetic (χ) | -37.0×10-6cm3/mol |
| Ƙarfafawar thermal | 30W·m-1·K-1 |
Ƙayyadaddun Kasuwanci donAluminum Oxide
| Alama | CrystalNau'in Tsarin | Al2O3≥(%) | Matsan Waje.≤(%) | Girman Barbashi | ||
| Si | Fe | Mg | ||||
| UMAO3N | a | 99.9 | - | - | - | 1 ~ 5m |
| 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 | 99.9999 | - | - | - | 1 ~ 10 μm |
Shiryawa: cushe a cikin guga kuma an rufe shi ta hanyar haɗin kai ethene, nauyin net ɗin shine kilo 20 a kowace guga.
Menene Aluminum Oxide ake amfani dashi?
Alumina (Al2O3)yana aiki azaman albarkatun ƙasa don samfuran yumbu na ci gaba da yawa kuma a matsayin wakili mai aiki a cikin sarrafa sinadarai, gami da adsorbents, catalysts, microelectronics, sunadarai, masana'antar sararin samaniya, da sauran yanki na fasaha. Mafi kyawun halayen alumina na iya bayar da sa ya dace don amfani a aikace-aikace da yawa. Wasu daga cikin aikace-aikacen gama gari da ke waje da samar da aluminium an jera su a ƙasa. Fillers. Kasancewa da ƙarancin ƙarancin sinadarai da fari, aluminum oxide shine filler da aka fi so don robobi. Glass.Yawancin nau'ikan gilashi suna da aluminum oxide a matsayin sinadari. Catalysis Aluminum oxide yana haifar da nau'ikan halayen da ke da amfani ta masana'antu. Gas tsarkakewa. Aluminum oxide ana amfani dashi sosai don cire ruwa daga magudanan iskar gas. Abrasive. Ana amfani da aluminum oxide don taurinsa da ƙarfinsa. Fenti. Ana amfani da flakes na aluminum oxide a cikin fenti don tasirin ado mai haske. Haɗin fiber. An yi amfani da Aluminum oxide a cikin ƴan gwaji da kayan fiber na kasuwanci don aikace-aikacen aiki mai girma (misali, Fiber FP, Nextel 610, Nextel 720). Makamin Jiki.Wasu sulke na jiki suna amfani da faranti na yumbura alumina, yawanci a haɗe tare da goyan bayan aramid ko UHMWPE don cimma tasiri akan yawancin barazanar bindiga. Kariyar abrasion. Aluminum oxide za a iya girma a matsayin shafi a kan aluminum ta anodizing ko ta plasma electrolytic hadawan abu da iskar shaka. Wutar lantarki. Aluminum oxide wani insulator ne na lantarki wanda ake amfani dashi azaman sinadari (silicon akan sapphire) don haɗaɗɗun da'irori amma kuma a matsayin shingen rami don ƙirƙira manyan na'urori kamar transistor electron guda ɗaya da na'urorin tsoma baki masu ƙarfi (SQUIDs).
Aluminum Oxide, kasancewa dielectric tare da in mun gwada da babban band rata, ana amfani dashi azaman insulating shãmaki a capacitors. A cikin haske, ana amfani da aluminum oxide translucent a wasu fitilun sodium tururi. Aluminum oxide kuma ana amfani da shi a cikin shirye-shiryen rufewa suspensions a m fitulun kyalli. A cikin dakunan gwaje-gwajen sunadarai, aluminum oxide shine matsakaici don chromatography, samuwa a cikin asali (pH 9.5), acidic (pH 4.5 lokacin da yake cikin ruwa) da tsarin tsaka tsaki. Aikace-aikacen lafiya da na likita sun haɗa da shi azaman abu a cikin maye gurbin hip da magungunan hana haihuwa. Ana amfani da shi azaman scintillator da dosimeter don kariyar radiation da aikace-aikacen jiyya don kaddarorin hasken sa na gani. Sau da yawa ana yin rufin murhun wuta mai zafi daga aluminum oxide. Ana yawan amfani da ƙananan guntu na aluminum oxide azaman guntun tafasa a cikin sunadarai. Ana kuma amfani da ita don yin insulators. Yin amfani da tsarin feshin plasma da haɗe da titania, ana lulluɓe shi akan saman birki na wasu ƙusoshin keke don ba da ƙyalli da juriya. Yawancin idanuwan yumbu a kan sandunan kamun kifi zoben madauwari ne da aka yi daga aluminum oxide. A cikin mafi kyawun foda (fararen fata), wanda ake kira Diamantine, ana amfani da aluminum oxide azaman mafi kyawun goge goge a cikin agogo da yin agogo. Aluminum oxide kuma ana amfani da shi a cikin suturar stanchions a cikin giciyen motar da masana'antar kekuna na dutse. Wannan shafi yana haɗuwa da molybdenum disulfate don samar da lubrication na dogon lokaci.
