
Izingxenye ze-Alumina ceramic ziwuhlobo lwezinto ze-ceramic ezakhiwe kakhulu yi-alumina emsulwa kakhulu (i-Al ₂ O3), enobulukhuni obuphezulu kakhulu, ukumelana nokuguguleka, ukumelana nokushisa okuphezulu, kanye nokuqina kwamakhemikhali. Isetshenziswa kabanzi emikhakheni eminingi yezimboni futhi njengamanje iyinto ye-ceramic yezimboni enkulu kakhulu futhi esetshenziswa kakhulu ngokuya ngomthamo wokukhiqiza.
| Into | I-Al₂O₃≥99% | I-Al₂O₃≥95% | I-ZrO₂≥94% | |
| Okwemvelo izakhiwo | Ubuningi | 3.85 | 3.6 | 5.9 |
| Ukumuncwa Kwamanzi % | 0 | 0 | 0 | |
| Izinga lokushisa lokusila °C | 1690 | 1670 | 1650 | |
| Izici zekhwalithi | Ukuqina kwe-HV | 1700 | 1600 | 1400 |
| Amandla okugobeka angu-4pt | >3500 | >2900 | >11000 | |
| Amandla okucindezela /cm² | 30000 | 25000 | 25000 | |
| Izakhiwo ze-Thermodynamic | Izinga lokushisa eliphezulu lesevisi °C | 1500 | 1400 | 1600 |
| Isilinganiso sokunwetshwa kokushisa | 8 | 7.8 | 10 | |
| 10-6/°C | ||||
| 0-1000°C | ||||
| Ukumelana nokushaqeka kokushisa (°C) | 200 | 220 | 350 | |
| Ukushisa kwe-W/mk | 31 | 22 | 3 | |
| Ugesi izici | Ukumelana kwevolumu Ω.cm | >10^12 | >10^12 | >10^12 |
| Amandla okuphula kwe-insulation KT/m | 18 | 16 | 15 | |
| I-dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | 12.5 | |
| Ubude (mm) | Ububanzi(mm) | Ukuphakama(mm) | Ubukhulu bodonga (mm) | Umthamo (cc) |
| 6-200 | 30-150 | 15-190 | >2 | 5-5000 |
1. Ubulukhuni obuphezulu kanye nokumelana nokuguguleka Ubulukhuni:
Ubulukhuni be-alumina ceramics be-Mohs buphakeme njengeleveli 9, bulandela idayimane kuphela. Ukumelana nokuguguleka: Ukumelana nokuguguleka kwayo kuphindwe izikhathi ezingu-266 kunensimbi ye-manganese kanye ne-171.5 kunensimbi ecijile ene-chromium ephezulu.
2. Ukumelana nokushisa okuphezulu kanye nokuqina kokushisa
Ukumelana nokushisa okuphezulu: Indawo yokuncibilika kwe-alumina ceramics ifinyelela ku-2050 ℃, futhi ingagcina ukusebenza okuzinzile ekushiseni okuphezulu okungu-2000 ℃. Ukuqina kokushisa: Ine-coefficient ephansi yokwanda kokushisa futhi ingagcina ukuqina kwesakhiwo ngaphansi kokushintsha okukhulu kokushisa.
3. Ubukhulu bomklamo olula:
Ubuningi be-alumina ceramics bungu-3.6-3.8g/cm³ kuphela, okungaphezu kuka-50% okulula kunensimbi. Isibonelo, ukusebenzisa izingxenye ze-alumina ceramic ezindizeni kunganciphisa isisindo ngo-30% futhi kuthuthukise kakhulu ukusebenza kahle kukaphethiloli.
4Ukumelana nokugqwala kanye nezakhiwo zokuvimbela ukuvuvukala Ukumelana nokugqwala:
Ukumelana okuhle kakhulu nama-asidi aqinile, ama-alkali, kanye nemidiya kasawoti, kufanelekile kuma-reactor amakhemikhali, ama-valve okulwa nokugqwala, njll. Ukuvikela: Njengoba inokumelana okungu-≥ 1 × 10 ¹⁴Ω· cm, iyinto ekhethwayo yezingxenye zedivayisi kagesi ezisebenzisa imvamisa ephezulu.
5. Ukusebenza kahle kakhulu kwezindleko Ukusebenza kahle kwezindleko:
Ukuphila kwayo isikhathi eside kanye nezici zayo zokunakekelwa okuphansi kunciphisa kakhulu izindleko zesikhathi eside.