Kwallayen alumina masu juriya suna da inganci mai kyau, ƙarfin gaske, ƙarfin gogewa mai kyau, yawan kauri, ƙarfin zafin jiki mai yawa, juriya ga tsatsa, ƙarancin gurɓatawa da sauran kyawawan halaye. An yi amfani da kwallayen alumina sosai wajen kammalawa da sarrafa nau'ikan yumbu, enamel, gilashi, sinadarai da sauran kayan aiki masu kauri da tauri.
Halayen Kwallayen Alumina Masu Rage Tsauri
- Juriyar Zazzabi Mai Girma
- Kyakkyawan Juriya ga Zafi
- Babban Ƙarfin Inji
- Dogon Rayuwar Sabis
Abun da ke cikin Ƙwallon Alumina Mai Rage Ƙarfi
An yi ƙwallon da ke hana alumina daga AL2O3, kaolin, roba, mullite crystal da sauran kayan aiki. Dangane da hanyar birgima da kuma hanyar ƙera matsi, ƙwallon da ke hana alumina suna da fa'idodi na ƙarfi mai yawa, juriya ga girgizar zafi mai kyau, sauƙin maye gurbin da tsaftacewa, tsawon rai da sauransu.
Tsarin Kwallayen Alumina Masu Rage Tsauri
Domin yin ƙwallan da ba su da ƙarfin alumina, ana sanya electrode a ƙasan graphite crucible, kuma ana iya fara baka ta hanyar ƙara wani adadin foda alumina na masana'antu. Wutar lantarki mai aiki 1.0kA, ƙarfin lantarki 80~100V. Bayan bugawa, kamar yadda Al2O3 ya narke, ana lodawa a hankali, har sai ruwan kayan ya cika da graphite crucible, zafin ruwan kayan shine 2200 ~ 2300 ℃. Bayan haka, ana zuba crocible ɗin kuma maganin yana gudana.
Cikakkun Bayanan Samfurin Kwallayen Alumina Masu Rage Rage
| Abu | Babban aluminum | Ƙananan rarrafe | Mulite | Corundum |
| Girman (mm) | 40-80 | 40-80 | 40-80 | 40-80 |
| AL2O3(%) | 65 | 70 | 75 | 95 |
| Rashin juriya a ƙarƙashin kaya (°C) | 1450 | 1460 | 1530 | 1650 |
| Bayyanannen Porosity (%) | 25 | 23 | 22 | 18 |
| Yawan Yawa (g/cm3) | 2.3 | 2.4 | 2.5 | 3.1 |
| Ƙarfin niƙawa mai sanyi (Mpa) | 13 | 14 | 32 | 36 |
| Juriyar girgiza mai zafi (1100°C) zagayowar ≥ | 15 | 10 | 20 | 7 |
| Rashin juriya (°C) | 1710 | 1750 | 1800 | 1800 |
Amfani da Kwallayen Alumina Masu Rage Rage
An yi amfani da ƙwallon da ke hana alumina sosai wajen kammalawa da sarrafa nau'ikan yumbu, enamel, gilashi, sinadarai da sauran kayan aiki masu kauri da tauri. Musamman ƙwallon da ke hana alumina da suka dace da kayan aikin raba iska, mai tara zafi da kuma tanda mai zafi ta ƙarfe a matsayin mai cike da zafi.
