Цзифэн Керамика
Усовершенствованные керамические материалы – свойства, Типы и промышленное применение
Advanced ceramics materials, also referred to as technical ceramic materials are high-performance, engineered materials designed to withstand the harshest industrial conditions. As compared to conventional ceramics, metals and polymers, advanced ceramics materials provide superior strength in terms of mechanical as well as durability, thermal stabilities and electrical efficiency.
Due to these remarkable characteristics, advanced ceramic material products are extensively utilized in a variety of areas, and ceramic materials applications include industries like aerospace, semiconductor manufacturing, медицинское оборудование, electronics as well as energy and industrial wear applications.
Что такое современные керамические материалы?
Advanced ceramic material is a non-organic, non-metallic material that is specially developed and processed to attain precise mechanical, thermal electronic, and chemical performances. Contrary to conventional ceramics utilized in household or construction products, technical ceramic material is made with strict quality control in order to ensure that it meets the highest standards of technology.
The benefits for advanced ceramic materials are:
- Extraordinary toughness and wear resistance
- Stability at high temperatures and resistance to thermal shock
- Excellent resistance to chemical and corrosion
- Functional conductivity or electrical insulation
- Long-lasting service life in extreme environments
These attributes These characteristics make advanced ceramics materials the ideal option when conventional materials fail. They can also widen the scope of ceramic materials applications in the high-end fields of industrial production.
Classification of Ceramic Materials
Jifeng Ceramics specializes in high-performance advanced ceramics materials specifically designed for high-precision industrial applications. Our product categories comprise zirconia, глинозем, aluminum nitride, silicon carbide as well as silicon carbide each designed to have extraordinary durability and thermal stability, as well as resistance to corrosion, as well as electrical insulation.
We offer high-purity ceramic powders, structural components machined and large-sized substrates. We also offer transparent ceramics, as well as customized precision parts. These advanced ceramic material products provide high-quality performance in semiconductors electronic, аэрокосмический, medical and energy, as well as automotive, and textile machinery areas. In-house R&D and precision processing and full chain quality monitoring Our solutions for materials combine the highest quality and consistency, with ultra-high precision in dimensional measurement, and a high degree of customization ability to meet the highest technical needs and improve ceramic materials for a variety of situations.
| Оксидная Керамика | Безоксидная керамика | Ceramic Matrix Composites (КМЦ) | Функциональная керамика |
|---|---|---|---|
| глинозем (Al2О3) | Карбид кремния (Карбид кремния) | CMC Components | Пьезоэлектрическая керамика |
| Цирконий (ZrO2) | Нитрид кремния (Si3N4) | Reinforced Ceramics | Bioceramics |
| Boron Nitride (БН) | Диэлектрическая Керамика | ||
| Нитрид алюминия (АлН) |
Ceramics Material Performance Table
Item | Единица | глинозем | Цирконий | Карбид кремния | Нитрид кремния |
| ||||||||
Grade | — | A 100 | A 200 | A 300 | AZ 100 | Z 100 | Z 200 | Z 300 | ZM 100 | ZB 100 | SC 200 | SN 200 | SN 300 | SN 1000 |
Материал | — | Al₂O₃ 97% | Al₂O₃ 99.5% | Al₂O₃ 99.7% | Al₂O₃–ZrO₂ | ZrO₂–Y₂O₃ | ZrO₂–Y₂O₃ | ZrO₂–Y₂O₃ | ZrO₂–Y₂O₃ | ZrO₂–Y₂O₃ | Карбид кремния | Си₃N₄ | Си₃N₄ | Си₃N₄ |
Colour | — | White ivory | Белый | Ivory white | Белый | Белый | Белый | Белый | Желтый | Синий | Black | Gray black | Gray black | Желтый |
Плотность | г/см³ | 3.75 | 3.9 | 3.92 | 4.2 | 6.0 | 6.03 | 6.04 | 5.7 | 6.03 | 3.15 | 3.2 | 3.2 | 3.2 |
изгибная прочность | МПа | 280 | 320 | 370 | 480 | 900 | 950 | 1100 | 450 | 1100 | 400 | 680 | 850 | 750 |
Прочность на сжатие | МПа | 2250 | 2300 | 2450 | 2700 | 2100 | 2200 | 2300 | 1600 | 2300 | 2000 | 3000 | 3800 | 3000 |
Модуль Юнга | ГПа | 330 | 370 | 380 | 350 | 200 | 210 | 220 | 210 | 220 | 430 | 290 | 300 | 300 |
Вязкость разрушения | MPa·m¹ᐟ² | 3.0 | 4.0 | 4.5 | 5.5 | 9.0 | — | 9.0 | 5.5 | 7.0 | — | 6.0 | 7.0 | 7.5 |
Коэффициент Пуассона | — | 0.23 | 0.22 | 0.22 | 0.24 | 0.30 | 0.30 | 0.30 | 0.30 | 0.30 | 0.16 | 0.28 | 0.28 | 0.28 |
Hardness HRA | HRA | 90 | 91 | 91 | 91 | 89 | 90 | 90 | 88 | 90 | 93 | 91.5 | 92 | 92 |
Твердость по Виккерсу | HV1 | 1450 | 1550 | 1600 | 1600 | 1250 | 1450 | 1450 | 1240 | 1450 | 2100 | 1600 | 1650 | 1650 |
Коэффициент теплового расширения | 10⁻⁶ K⁻¹ | 7.1 | 6.8 | 6.8 | 9.2 | 10.0 | 10.0 | 10.0 | 10.0 | 10.0 | 4.5 | 3.2 | 3.2 | 3.2 |
Теплопроводность | ж/(м·К) | 25 | 32 | 32 | 8 | 3 | 3 | 3 | 3 | 3 | 100 | 26 | 40 | 70 |
Устойчивость к тепловому удару | ΔТ, °С | 200 | 220 | 220 | 470 | 400 | 400 | 400 | — | 400 | 400 | 600 | 800 | 800 |
Максимальная температура использования. (Окислительный) | °С | 1200 | 1400 | 1650 | 1000 | 1000 | 1000 | 1000 | 850 | 1000 | 1400 | 1000 | 1300 | 1300 |
Максимальная температура использования. (Редукционный/Инертный) | °С | 1200 | 1400 | 1700 | 1000 | 1000 | 1000 | 1000 | 850 | 1000 | 1650 | 1200 | 1400 | 1400 |
Объемное сопротивление (20 °С) | О·см | 10¹⁴ | 10¹⁵ | 10¹⁵ | 10¹⁴ | 10¹³ | 10¹² | 10¹² | 5×10¹³ | 10¹² | 10⁵ | 10¹⁴ | 10¹⁴ | 10¹⁴ |
Диэлектрическая прочность | кВ/мм | 16 | 20 | 22 | 16.5 | 19 | 15 | 17 | 19 | 17 | 0 | 10 | 12 | 16 |
Диэлектрическая проницаемость (1 МГц) | — | 11.5 | 11.0 | 10.0 | 11.0 | 28 | 30 | 30 | 27 | 30 | — | 12 | 11 | 10 |
Dielectric Loss Angle (20 °С, 1 МГц) | tan δ | 3×10⁻³ | 1×10⁻³ | 1×10⁻³ | 2×10⁻² (9 ГГц) | 2×10⁻³ | 2×10⁻³ | 2×10⁻³ | 2×10⁻³ (1 ГГц) | 2×10⁻³ | — | 4×10⁻³ (1 ГГц) | 5×10⁻³ (1 ГГц) | 3×10⁻³ (1 ГГц) |
Промышленное применение керамических материалов
Полупроводник & Электроника
Advanced ceramic materials serve as essential insulation substrates as well as high-precision wafer handling components. Their outstanding thermal conductivity as well as electrical resistivity allow for effective heat control in microchips with high performance as well as sensitive electronic circuits. This is among the most important applications of ceramic materials.
Аэрокосмическая промышленность & Авиация
Ceramics that are technical are crucial for the creation of structures that are lightweight and high-temperature like turbine blades or heat shields. They can withstand extreme temperatures and oxidation, dramatically improving the performance of engines as well as safety in flight, and also expanding the design and layout of advanced ceramics materials.
Медицинское оборудование
Due to their high biocompatibility high-tech ceramic products are used extensively in dental implants, orthopedic prosthetics, as well as high-quality surgical instruments. They provide high wear resistance and stability in the body’s environment which makes them an essential part of ceramic material applications.
Промышленные изнашиваемые детали
Engineered advanced ceramic materials such as valves, печати, и насадки, provide exceptional performance against friction and high pressure. Their hardness is extremely high, which significantly increases the life of equipment, while reducing the cost of maintenance in highly industrial processes.
Энергия & Химическая промышленность
These materials are indispensable for handling aggressive chemicals at elevated temperatures. Ceramic liners and membranes offer unmatched corrosion resistance, ensuring the structural integrity and reliability of critical energy production infrastructure.
