CFC Brake Disc | C/C Brake | Carbon Ceramic Brake

High-performance carbon fiber-reinforced carbon (C/C) and carbon-ceramic brake discs for aircraft, automotive, and industrial braking systems.

Specifications of CFC Brake Disc, C/C Brake & Carbon Ceramic Brake

Oxidation-resistant coating(SiC, Phosphate) available for extended service life in high-temperature environments.

ParameterUnitValueTest Standard
Bulk Densityg/cc1.81GB/T 24528
Graphitization Degree%≥ 70Internal
Treatment Temperature°C2300 - 2600-
Carbon Content%≥ 99.98-
Ash Contentppm≤ 200GB/T 1429
Metallic Ash Contentppm≤ 10-
Compressive StrengthMPa≥ 253GB/T 1431
Flexural StrengthMPa≥ 181GB/T 3074.1
Interlaminar Shear StrengthMPa≥ 21GB/T 3362
Thermal Conductivity (800°C)W/(m·K)42-
Dynamic Friction Coefficientμ0.28-
Thermal Diffusivity (800°C)mm²/s11-
Specific Heat Capacity (800°C)J/(g·K)1.93-
Static Weight Loss (with antioxidant)%≤ 1-
Thermal Shock Weight Loss%≤ 3-
Linear Wear Rateμm/m/time/face0.8-

All values are typical and subject to variation. For technical data sheets or custom recommendations, please contact Max Graphite.

Size Range of CFC Brake Disc

Precision CNC machining available for complex geometries, groove patterns, and mounting interfaces. Typical dimensions for aircraft and industrial applications:

ParameterRange
Outer Diameter150 mm – 800 mm
Thickness10 mm – 100 mm
Inner DiameterCustom per customer design
Bolt/Threaded HolesOptional

All values are typical and subject to variation. For technical data sheets or custom recommendations, please contact Max Graphite.

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Applications of CFC / C/C & Carbon Ceramic Brake Discs

Our brake discs are engineered for extreme conditions:

  • Aerospace & Aviation – Aircraft brake discs (high thermal shock resistance)
  • High-Performance Automotive – Racing and luxury car carbon-ceramic brakes
  • High-Speed Rail – Emergency and service brake systems
  • Industrial Braking – Heavy machinery, wind turbines, mining hoists
  • EDM & Special Machinery – High-inertia stop applications

Used where weight reduction, high-temperature stability, and low wear are critical.

Production Process of CFC Brake Disc

Our manufacturing follows strict process control to ensure consistency and reliability.

  1. Preform: 2.5D,3D or Short Fiber carbon fiber preform
  2. Densification: CVI(Chemical Vapor Infiltration) + resin/pitch impregnation cycles
  3. HeatTreatment: Graphitization at 2300°C – 2600°C
  4. Machining: 5-axisCNC to final dimensions and bolt patterns
  5. Coating(optional): SiC, Phosphate anti-oxidation coating
  6. QualityControl: X-ray inspection, density, strength, and friction testing

High-temperature treatment ensures low outgassing and dimensional stability.

What is a CFC Brake Disc? (C/C Brake & Carbon Ceramic Brake)

A CFC brake disc (Carbon Fiber-Reinforced Carbon) is a composite material consisting of:

  • Carbon fiber reinforcement (continuous or short fiber)
  • Carbon matrix (derived from CVI or pyrolysis of resin/pitch)

Carbon-ceramic brake discs add silicon carbide (SiC) to improve friction stability and reduce wear.

Why CFC over steel or cast iron?

  • 70% lighter than steel
  • Withstands 3000°C in inert atmosphere
  • No thermal shock failure
  • Longer service life (up to 3× steel brakes)

Key Properties of CFC Brake Disc

  • Low density (1.81 g/cc): Reduces unsprung mass in vehicles & aircraft
  • High thermal shock resistance: No cracking under rapid temperature change
  • Stable friction coefficient (μ=0.28): Predictable braking from cold to 800°C
  • Low wear rate (0.8 μm/cycle): Extended maintenance intervals
  • Anti-oxidation coating compatible: Suitable for open-air applications
  • High compressive strength (>250 MPa): Withstands high clamping forces

Ideal for repeated high-energy braking cycles without fade.

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