COTSWORKS
COTSWORKS, INC. designs and manufactures rugged optical components and subsystems to operate in h……...
High-Temperature Resistant and High-Reliability Aerospace Ceramics
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
Engine High-Presure Pump Components
Hydraulic System Components
Cylindrical & Turbine Tubes
Auxillary Power Units
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.
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