
Izixhobo ze-alumina ceramic luhlobo lwezinto ze-ceramic ezenziwe kakhulu yi-alumina ecocekileyo kakhulu (Al ₂ O3), enobunzima obuphezulu kakhulu, ukumelana nokuguguleka, ukumelana nobushushu obuphezulu, kunye nokuzinza kweekhemikhali. Isetyenziswa kakhulu kwiindawo ezininzi zoshishino kwaye okwangoku sesona sixhobo se-ceramic mveliso sikhulu nesisetyenziswa kakhulu ngokwemveliso.
| Into | I-Al₂O₃≥99% | I-Al₂O₃≥95% | I-ZrO₂≥94% | |
| Okoqobo iipropati | Uxinano | 3.85 | 3.6 | 5.9 |
| Ukufunxwa kwamanzi % | 0 | 0 | 0 | |
| Ubushushu bokuhluza °C | 1690 | 1670 | 1650 | |
| Iimpawu zomgangatho | Ubunzima be-HV | 1700 | 1600 | 1400 |
| Amandla okugobeka 4pt | >3500 | >2900 | >11000 | |
| Amandla oxinzelelo / cm² | 30000 | 25000 | 25000 | |
| Iipropati zeThermodynamic | Ubushushu obuphezulu benkonzo °C | 1500 | 1400 | 1600 |
| I-coefficient yokwandiswa kobushushu | 8 | 7.8 | 10 | |
| 10-6/°C | ||||
| 0-1000°C | ||||
| Ukumelana nobushushu (°C) | 200 | 220 | 350 | |
| Ukuqhuba kwe-thermal W/mk | 31 | 22 | 3 | |
| Zombane iimpawu | Ukumelana nomthamo Ω.cm | >10^12 | >10^12 | >10^12 |
| Amandla okuqhekeza i-insulation KT/m | 18 | 16 | 15 | |
| I-dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | 12.5 | |
| Ubude (mm) | Ububanzi(mm) | Ubude(mm) | Ubukhulu bodonga (mm) | Ubungakanani (cc) |
| 6-200 | 30-150 | 15-190 | >2 | 5-5000 |
1. Ubunzima obuphezulu kunye nokumelana nokuguguleka Ubunzima:
Ubunzima be-alumina ceramics be-Mohs buphezulu njengenqanaba lesi-9, bulandela idayimani kuphela. Ukumelana nokuguguleka: Ukumelana nokuguguleka kwayo kuphindwe ka-266 kunokwentsimbi ye-manganese kwaye kuphindwe ka-171.5 kunokwentsimbi ephezulu ye-chromium.
2. Ukumelana nobushushu obuphezulu kunye nozinzo lobushushu
Ukumelana nobushushu obuphezulu: Iqondo lokunyibilika kwe-alumina ceramics lifikelela kwi-2050 ℃, kwaye linokugcina ukusebenza okuzinzileyo kubushushu obuphezulu be-2000 ℃. Uzinzo lobushushu: Linomlinganiselo ophantsi wokwanda kobushushu kwaye linokugcina uzinzo lolwakhiwo phantsi kotshintsho olukhulu lobushushu.
3. Uyilo olukhaphukhaphu Ubuninzi:
Ubunzima beeseramikhi ze-alumina buyi-3.6-3.8g/cm³ kuphela, obukhaphukhaphu ngaphezu kwe-50% kunentsimbi. Umzekelo, ukusebenzisa izixhobo zeseramikhi ze-alumina kwiinqwelomoya kunokunciphisa ubunzima nge-30% kwaye kuphucule kakhulu ukusebenza kakuhle kwepetroli.
4Ukumelana nokugqwala kunye neempawu zokugquma Ukumelana nokugqwala:
Ukumelana okugqwesileyo kwii-asidi ezinamandla, ii-alkalis, kunye ne-salt media, zifanelekile kwii-reactors zeekhemikhali, ii-valve zokulwa nokugqwala, njl. Ubushushu: Ngokumelana kwe-≥ 1 × 10 ¹⁴Ω· cm, sisixhobo esikhethwayo kwizixhobo ze-elektroniki ezisebenzisa i-frequency ephezulu.
5. Ukusebenza kakuhle kweendleko: Ukusebenza kakuhle kweendleko:
Ukuphila kwayo ixesha elide kunye neempawu zayo zokugcinwa eziphantsi zinciphisa kakhulu iindleko zexesha elide.