Aspect | Alumina Ceramics | Zirconia Ceramics |
---|---|---|
Mechanical Strength | Good mechanical strength, making it suitable for wear-resistant applications. | Higher mechanical strength and toughness compared to alumina. |
Thermal Stability | High thermal stability, suitable for high-temperature applications. | Excellent thermal stability, maintaining properties at elevated temperatures. |
Cost | Generally lower cost due to abundance and simpler processing. | Higher cost due to the complexity of processing and material costs. |
Applications | Commonly used in cutting tools, electrical insulators, and dental applications. | Used in dental implants, orthopedic applications, and high-performance engineering components. |
Fracture Toughness | Lower fracture toughness, more brittle in nature. | Higher fracture toughness, reducing the likelihood of catastrophic failure. |
Zirconia ceramics provide superior strength and toughness for demanding applications compared to alumina ceramics.