Kyocera is the leading global manufacturer of Fine Ceramics and has over 200 materials for use in the aerospace industry. Kyocera Fine Ceramics creates high-reliability technical ceramic components for aerospace applications such as RF windows, hydraulic system components, seals, pins, turbine tubes, pump components, and more.
Fine Ceramics are a top choice for aerospace applications due to their excellent thermal and mechanical properties such as high thermal conductivity, high heat resistance and high wear resistance.
The top advanced ceramic materials used in aerospace applications are: silicon nitride, silicon carbide and metallized components. Sapphire is also preffered, and is used in optical windows.
Silicon Nitride (Si3N4)
- Provides the highest thermodynamic stability among all fine ceramics
- High strength at high temperature
- High fracture toughness
- High thermal shock resistance
- High fracture toughness
- Weak coefficient of thermal expansion
- Low wettability for molten aluminum
- Used for:
- Cutter and Brush Wear Pins
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Engine High-Presure Pump Components
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Hydraulic System Components
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Cylindrical & Turbine Tubes
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Auxillary Power Units
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Thruster Nozzles
Image Credit: Kyocera International, Inc.
Silicon Carbide (SiC)
- Among all the Fine Ceramics, it has the best chemical resistance and hardness
- Maintains High Strength even at 1,400 °C
- High thermal conductivity
- High wear resistance
- High sliding properties
- High chemical stability
- Electrical semi-conductivity
- Used in a variety of applications, such as:
- Engine Seals
- Blisks
- High-Pressure Pump Parts
- Radomes
- High Speed Wear Plates
- Engine Pyrometers
- Turbines
- Shrouds
Image Credit: Kyocera International, Inc.
Metal Brazed Ceramics
Kyocera’s ceramic-to-metal bonding technique and extensive knowledge allow for a diverse range of metal-brazed components.
- Metallized ceramics are used in a variety of aerospace applications, such as:
- Mechanical seals
- Hydraulic System Components
- Standard Coaxial Connectors
- Multi-pin Connectors
Image Credit: Kyocera International, Inc.