Alumina Ceramic Structural Sheetmerits
Alumina ceramic structural plates are characterized by high hardness, wear resistance, high-temperature resistance, and excellent insulation properties. They are resistant to deformation and cracking during long-term use and can withstand complex industrial environments. Additionally, they offer superior corrosion resistance, enabling stable operation in environments involving acids and alkalis. Compared to ordinary metal materials, aluminum oxide ceramic structural plates offer a longer service life and greater dimensional stability, making them suitable for applications in electronics, power generation, machinery, high-temperature equipment, and precision manufacturing.
Description
Advantages of Alumina Ceramic Structural Plates
Alumina ceramic structural plates are primarily composed of high-purity alumina (Al₂O₃) and are formed into a dense ceramic structure through high-temperature sintering. With a uniform and stable overall microstructure, they are a typical industrial structural ceramic material. Alumina ceramic structural plates do not rely on a single performance advantage but strike a balance between hardness, electrical insulation, high-temperature resistance, and corrosion resistance, making them suitable for a wide range of industrial applications, including mechanical, electronic, and chemical sectors.
- Outstanding hardness and wear resistance
- Excellent electrical insulation properties
- High temperature resistance and thermal stability
- Excellent chemical stability and high corrosion resistance
- Structurally stable with excellent dimensional stability
- Well-rounded overall performance and a wide range of applications
Aluminum oxide ceramics applications
Alumina ceramics are the most common advanced ceramic material and more traditional. As an excellent ceramic material, high purity alumina ceramics have been widely used in many industries. The material has excellent properties in terms of electrical insulation, high thermal conductivity, high chemical resistance, good wear resistance and low thermal expansion. Therefore, alumina ceramic products are ideal for many industries such as:
- Shafts and plungers in high wear environments
- Roller and ball bearings
- Wear-resistant lining
- semiconductor part
- Machine components
- High temperature electrical insulators
- High-voltage insulators
- Wires and conductors
- mechanical seal
Basic Properties of Alumina Ceramics
Alumina is an excellent high temperature ceramic material due to its high temperature stability. It is one of the most commonly used high grade ceramics. Zhihao Ceramics offers alumina ceramics with purity ranging from 95% to 99.5%.
- Excellent electrical insulation (1×1014to 1×1015 (Ω cm);
- Medium to ultra-high mechanical strength (300 to 630 MPa);
- Very high compressive strength (2000 to 4000 MPa);
- High stiffness (15 to 19 GPA);
- Medium thermal conductivity (20 to 30 W / MK);
- Low density (3.75 to 3.95 g/cm)3);
- Operating temperature 1650°C without mechanical load;
- Biologically inert, food compatible.
Comparison Table of Alumina Ceramics and Other Common Industrial Ceramics
| comparison dimension | Aluminum oxide ceramics (Al₂O₃) | Zirconia ceramics (ZrO₂) | Silicon Carbide Ceramics (SiC) | Silicon Nitride Ceramics (Si₃N₄) |
|---|---|---|---|---|
| Core features | Well-rounded overall performance and low cost | High toughness, high impact resistance | Extremely high hardness and excellent heat resistance | High strength, excellent thermal shock resistance |
| durometer | your (honorific) | Above average | extremely high | your (honorific) |
| Toughness (resistance to fracture) | moderate | Very high (strength) | lower (one's head) | your (honorific) |
| abrasion resistance | your (honorific) | moderate | extremely high | your (honorific) |
| High temperature resistance | Stable at around 1600°C | Moderate (slightly below average) | Very high (Excellent) | Very high (Excellent) |
| Thermal shock resistance | general | general | moderate | Very strong (advantage) |
| electrical insulation | talented | talented | Semiconductor properties (poor) | favorable |
| corrosion resistance | favorable | talented | Extremely strong | favorable |
| processing difficulty | moderate | high | Very high | Very high |
| (manufacturing, production etc) costs | Lower (advantage) | high | your (honorific) | your (honorific) |
| typical application | Structural components, insulating components, wear-resistant components | Medical, Bearings, Valve Spools | High-temperature components, seals | Engine components, bearings, hot-end structures |
Suppliers of Aluminum oxide ceramics
To Good Ceramics is a professional ceramic supplier, we have many years of experience in producing high quality precision ceramic parts. We utilize our experienced team and in-depth knowledge of ceramic materials to create the best precision ceramic products for our customers at competitive prices.
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