Таблица свойств передовых керамических материалов
| Свойства | Units | Oxide Ceramics | Nitride Ceramics | Carbide Ceramics | Other Ceramics | ||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Глинозем | ZTA | Цирконий | Оксид бериллия | Нитрид алюминия | Нитрид кремния | Нитрид бора | Карбид кремния | Обрабатываемая керамика | |||||||||||||||||||||
| 96% | 99.7% | 99.95% | ZTA | 3YZ | Mg-PSZ | Черный цирконий | BeO | AL170 | AL200 | AL230 | GPSN | HPSN | 99% Purity (HP) | 99.5% Purity | 99.8% Purity | Pyrolytic (PBN) | BN+AlN | BN-B | BN-C | BN-D | BN-S | BN-S2 | BN-S+ | Sintered SiC | Reaction Bonded SiC | Макор | MGC | ||
| Прочность на сжатие | МПа | 2000 | 2000 | 3500 | 2500 | 2000 | 2000 | 2000 | 1700 | 2100 | — | — | 3000 | 3000 | 120 | 120 | 120 | 154 ∥ / 550 ⊥ | 110 | 130 | 225 | 220 | 380 | 420 | 480 | 2500 | 2500 | 345 | 450 |
| Плотность | г/см3 | 3.75 | 3.95 | 3.98 | 4.1 | 6.05 | 5.7 | 6.0 | 2.86 | 3.3 | 3.3 | 3.3 | 3.2 | 3.3 | 2.0 | 2.1 | 2.2 | 2.1-2.2 | 2.25-2.35 | 2.40-2.50 | 2.80-2.90 | 2.80-2.90 | 2.20-2.30 | 2.55-2.65 | 2.75-2.85 | 3.1 | 3.1 | 2.52 | 2.6 |
| Прочность на изгиб @ 25°C | МПа | 200-300 | 250-350 | 500-600 | 600 | 1200 | 500 | 1000 | 200 | 400 | 400 | 400 | 700 | 900 | 30-40 | 45 | 50 | 80 ∥ / 173 ⊥ | 65 | 85 | 115 | 120 | 150 | 220 | 320 | 410 | 400 | 94 | 110 |
| Fracture Toughness KIC | MPa m1/2 | 4.5 | 4 | 4.5 | 7 | 8 | 8 | 8 | 2 | 3.0 | 3.0 | 3.0 | 6.0 | 7.0 | 2.6 | ~3 | ~3 | — | — | — | — | — | — | — | — | 4.6 | 4.0 | 1.5 | 1.8 |
| Твердость | ГПа | 12 | 14 | 18 | 16 | 13.5 | 11 | 12 | 12 | 11 | 11 | 11 | 14 | 16 | 0.25 | ~0.4 | ~0.5 | — | — | — | — | — | — | — | — | 28 | 20 | 2.3 | 2.5 |
| Модуль Юнга | ГПа | 300 | 370 | 400 | 335 | 200 | 200 | 200 | 300 | 330 | 330 | 330 | 280 | 310 | 40 | 45 | 50 | 25 ∥ / 90 ⊥ | — | — | — | — | — | — | — | 350-400 | 350 | 66.9 | 70 |
| Теплопроводность @ 25°C | W/mK | 25 | 33 | 45 | 20 | 2 | 2 | 2 | 200 | 170 | 200 | 230 | 20 | 30 | 32 | 35 | 40 | 2 ∥ / 60 ⊥ | 30 | 30 | 20 | 80 | 40 | 40 | 40 | 102.6 | 150 | 1.5 | 1.6 |
| CTE @ 25°C – 1000°C | 10-6/K | 6.3 | 6.5 | 7.5 | 7 | 10 | 9 | 10 | 8 | 4.6 | 4.6 | 4.6 | 3.0 | 2.8 | 2.5 | 2.6 | 2.8 | 1.0 ∥ / 4.5 ⊥ | 2.0 | 2.8 | 3.5 | 2.8 | 2.7 | 2.7 | 2.7 | 4.02 | 4.5 | 9.0 | 9.2 |
| Max Temperature (Air) | °C | 1600 | 1700 | 1750 | 1500 | 800 | 800 | 800 | 1800 | 1200 | 1200 | 1200 | 1100 | 1200 | 850 | 900 | 900 | 900 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1000 | 1200 | 1380 | 800 | 850 |
| Max Temperature (Inert) | °C | 1600 | 1700 | 1750 | 1500 | 1000 | 1500 | 1500 | 2000 | 1350 | 1350 | 1350 | 1300 | 1400 | 2000 | 2000 | 2000 | 2100 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1800 | 1900 | 1380 | 1000 | 1050 |
| Dielectric Constant @ 1MHz | – | 9.8 | 9.9 | 9.9 | 10 | 29 | 20 | 20 | 6.7 | 9.0 | 9.0 | 9.0 | 7.5 | 8.5 | 4-5 | ~4 | ~4 | 3.4 ∥ / 5.2 ⊥ | — | — | — | — | — | — | — | — | 8.0 | 6 | 6.2 |
| Dielectric Strength (DC) | кВ/мм | 9 | 11 | 16 | 16 | 18 | 10 | 18 | 40 | >15 | >15 | >15 | 20 | 18 | >40 | >40 | >40 | >50 | — | — | — | — | — | — | — | — | — | 62 | 65 |
| Объемное сопротивление @ 25°C | ohm-cm | >1014 | >1014 | >1016 | >1016 | >1012 | >1012 | >1012 | >1014 | >1014 | >1014 | >1014 | >1015 | >1014 | >1013 | >1013 | >1013 | >1015 | >1013 | >1012 | >1012 | >1013 | >1013 | >1013 | >1013 | 102–1011 | 102–103 | >1017 | >1017 |
Note: Actual values may vary by batch, shape and size, so the data is for reference only and we do not make any form of guarantee.
