Customized Alumina Ceramic Components
Aluminium Oxide (Al₂O₃), commonly known as alumina, is one of the most widely used technical ceramics. Its combination of electrical insulation, hardness, wear resistance, chemical stability and temperature resistance makes it suitable for a broad range of industrial and scientific components. Andrews supplies customized alumina ceramic components according to customer drawings and technical specifications, including precision-machined parts for industrial and scientific applications.
Key Properties
- High hardness and wear resistance
- Excellent electrical insulation
- Good chemical and corrosion resistance
- Good dimensional stability
- High-temperature capability
- Available in different purity grades
Typical Material Properties
| Property | Unit | Typical Reference Value |
| Density | g/cm³ | ~3.9 |
| Flexural Strength | MPa | ~300–400 |
| Young’s Modulus | GPa | ~370–390 |
| Fracture Toughness | MPa·m½ | ~3–5 |
| Thermal Conductivity | W/m·K | ~25–30 |
| CTE | 10⁻⁶/K | ~8 |
| Dielectric Constant | — | ~9–10, frequency/grade dependent |
| Volume Resistivity | Ω·cm | >10¹⁴ typical high-purity grade |
Typical Applications
- Electrical insulating components
- Vacuum-system components
- Mechanical and structural components
- Wear-resistant parts
- Scientific instruments
- High-temperature components
Customized Components
Al₂O₃ is available in different compositions and purity grades. Material properties and manufacturing characteristics vary with alumina content, additives, microstructure and process. Andrews can discuss the appropriate grade according to the customer’s application and drawing.
SEND US YOUR Al₂O₃ DRAWING