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.