
Ibice bya alumina ceramic ni ubwoko bw'ibikoresho bya alumina bigizwe ahanini na alumina ifite isuku nyinshi (Al ₂ O3), ifite ubukana bwinshi cyane, idasaza, idashyuha cyane, kandi idahinduka mu bushyuhe. Ikoreshwa cyane mu nganda nyinshi kandi ubu ni yo mashini nini kandi ikoreshwa cyane mu nganda mu bijyanye n'ingano y'umusaruro.
| Ikintu | Al₂O₃≥99% | Al₂O₃≥95% | ZrO₂≥94% | |
| Ifatika imitungo | Ubucucike | 3.85 | 3.6 | 5.9 |
| Kunywa Amazi % | 0 | 0 | 0 | |
| Ubushyuhe bwo gutwika °C | 1690 | 1670 | 1650 | |
| Ibiranga ubuziranenge | Ubukomere bw'ingufu | 1700 | 1600 | 1400 |
| Imbaraga zo koroha 4pt | >3500 | >2900 | >11000 | |
| Imbaraga zo gukanda / cm² | 30000 | 25000 | 25000 | |
| Imiterere ya Thermodynamic | Ubushyuhe ntarengwa bwa serivisi °C | 1500 | 1400 | 1600 |
| Ingano y'ubushyuhe mu kwagura igipimo cy'ubushyuhe | 8 | 7.8 | 10 | |
| 10-6/°C | ||||
| 0-1000°C | ||||
| Ubudahangarwa bw'ubushyuhe (°C) | 200 | 220 | 350 | |
| Ubushobozi bwo gutwara ubushyuhe bwa W/mk | 31 | 22 | 3 | |
| Amashanyarazi ibiranga | Ubushobozi bwo kwirinda Ω.cm | >10^12 | >10^12 | >10^12 |
| Ingufu zo gufunga KT/m2 zituma insulation ihagarara neza | 18 | 16 | 15 | |
| Dielectric constant 1MHZ(E) | 9.2-10.5 | 9.0-10 | 12.5 | |
| Uburebure (mm) | Ubugari (mm) | Uburebure (mm) | Ubugari bw'urukuta (mm) | Ubushobozi (cc) |
| 6-200 | 30-150 | 15-190 | >2 | 5-5000 |
1. Ubukomere bwinshi no kudashira. Ubukomere:
Ubukana bwa Mohs bwa alumina ceramics buri hejuru cyane kugeza ku rwego rwa 9, bukaba ari ubwa kabiri nyuma ya diyama. Ubukana bwazo: Ubukana bwazo buruta inshuro 266 z'icyuma cya manganese n'inshuro 171.5 z'icyuma cya chromium nyinshi.
2. Kurwanya ubushyuhe bwinshi no kudahungabana k'ubushyuhe
Ubudahangarwa bw'ubushyuhe bwinshi: Aho gushonga kw'ibumba rya alumina rigera kuri 2050 ℃, kandi rishobora kugumana imikorere ihamye ku bushyuhe bwinshi bwa 2000 ℃. Ubudahangarwa bw'ubushyuhe: Rifite igipimo gito cyo kwaguka k'ubushyuhe kandi rishobora kugumana imiterere ihamye mu gihe cy'impinduka zikomeye z'ubushyuhe.
3. Igishushanyo mbonera cyoroheje Ubucucike:
Ubucucike bwa alumina ceramics ni 3.6-3.8g/cm³ gusa, bikaba byoroshye kurusha 50% ugereranyije n'icyuma. Urugero, gukoresha ibice bya alumina ceramic mu ndege bishobora kugabanya uburemere ho 30% no kunoza cyane imikorere myiza ya lisansi.
4Ubudahangarwa bwa ruswa n'imiterere yayo mu gukingira ibidukikije Ubudahangarwa bwa ruswa:
Ubudahangarwa bwiza cyane ku binyabutabire bikomeye, alkali, n'ibice by'umunyu, bikwiranye n'ibikoresho bya chemical reactors, valves zirwanya ingese, nibindi. Ubushyuhe: Ifite ubushobozi bwo kurwanya ingese bwa ≥ 1 × 10 ¹⁴Ω· cm, ni cyo gikoresho gikunzwe cyane ku bikoresho bya elegitoroniki bifite frequency yo hejuru.
5. Kunoza ikiguzi ku giciro kiri hejuru:
Imara igihe kirekire kandi ikaba idakora neza, bigabanya cyane ikiguzi cy'igihe kirekire.