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SIGRASIC®: Advanced Carbon Fiber‑Reinforced Silicon Carbide Woven Fabrics for Superior Performance

SIGRASIC products derive their extraordinary properties from carbon fiber-reinforced silicon carbide (C/SiC) - a composite material that combines carbon fibers within a ceramic matrix to maximize the properties of both materials.


The benefits of SIGRASIC are:

Properties

General

PropertyValue

Density

1.8 - 2.2 g/cm³

Mechanical

PropertyValue

Elastic modulus

50.0 - 80.0 GPa

Flexural modulus

0.4 GPa

0.6 GPa

Flexural strength

150.0 - 230.0 MPa

Thermal

PropertyTemperatureValue

Coefficient of thermal expansion

200 °C

3e-07 - 5e-07 1/K

Thermal conductivity

13.0 - 20.0 W/(m·K)

Technological properties

Property
Application areas

Application examples for SIGRASIC®: NASA sensor carrier designed for low weight, high precision and high stiffness; pump impeller for highly corrosive and abrasive media; (high performance) clutch disk mass produced for cars/vehicles with excellent wear and strength properties; ballistic protection with complex shaped designs and high hardness.

Other

Technical properties are customizable for individual purposes, base materials can be designed with the relevant content and type of carbon fibers.

Processing methods

C/SiC is manufactured by infiltrating a carbon fiber-reinforced carbon body with silicon. Due to near net shape processing, complex machining can be performed cost-effectively early in the process. Final ceramic grinding can be used locally when tight tolerances are required. By suitable adjustment of the material and process parameters, the product characteristics can be matched to the intended use of the SIGRASIC component.


Composite material

  1. Carbon Fiber: Composition, Manufacturing, and Future Applications
  2. Woven Carbon Fiber: The Engine Behind Modern Lightweight Manufacturing
  3. Carbon Fiber: 3 Key Properties That Drive Innovation
  4. Carbon Fiber Reinforced Plastics: Evolution, Benefits, and Production
  5. Carbon Fiber Reinforced Plastic (CFRP): Strength, Weight Savings, and Emerging Applications
  6. High-Performance Thermoplastic Tapes Reinforced with Textile-Based PAN Carbon Fiber
  7. T300 Carbon Fiber Sheet – 68% Carbon Fiber, 240 GPa Modulus, 3400 MPa Strength
  8. T700 Carbon Fiber Sheet – 68% Carbon Reinforced, Ultra-Strong & Lightweight
  9. SIGRASIC® C/SiC Composite Felt – High‑Performance Carbon Fiber‑Reinforced Silicon Carbide
  10. SIGRASIC® Carbon Fiber‑Reinforced Silicon Carbide Short Fibers – Advanced Composite for Extreme Conditions