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High Density C/C Composite

Ultra-high temperature resistance (up to 2800°C) and ablation resistance for Rocket Nozzles and Throat Inserts. Density ≥ 1.85 g/cm³

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Engineered for Extreme Environments

  • High Ablation Resistance (Low erosion rate)
  • Excellent Thermal Shock Resistance (No cracking under rapid heating)
  • High Strength-to-Weight Ratio
  • Customizable Dimensions (Billets or Finished Parts)
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cmcmat high density carbon carbon composite

Material Properties (Typical Values)

Advanced Carbon Carbon Composite Solutions for Extreme Environments

When performance under intense conditions is non-negotiable, the High Density C/C 2.5D/3D Composite stands out. This high-performance material is designed to meet complex demands in aerospace applications, particularly for rocket nozzles and throat inserts. Renowned for its superior ablation resistance and thermal stability, it offers reliable functionality in environments with extreme heat and pressure. With a density of up to 2.4 g/cm³, this composite ensures remarkable durability and precision engineering for critical components.

Reliable Thermal Stability for Aerospace Applications

The High Density C/C Composite delivers unparalleled thermal stability, enabling it to withstand the extreme temperatures typically experienced during rocket launches and propulsion. Its unique 2.5D/3D fiber architecture enhances mechanical integrity and material performance, while providing excellent thermal conductivity. This ensures minimal material degradation, making it an essential choice for long-term use and demanding missions where failure is not an option.

The Perfect Choice for Rocket Nozzles and Throat Inserts

Specifically tailored for aerospace components, this composite material excels in ablation resistance. Ablation, a process where material wears away due to rapid exposure to heat and corrosive forces, is effectively mitigated by the superior density and fiber structure of this composite. As an industry-leading solution, it sustains prolonged exposure to extreme conditions, ensuring that rocket nozzles and throat inserts maintain structural integrity when performance matters most.

Whether you’re designing mission-critical components or addressing advanced aerospace challenges, the High Density C/C 2.5D/3D Composite offers the reliability, performance, and durability your project demands. Explore how this cutting-edge material can revolutionize your designs by combining innovative engineering with superior material quality.

PropertyUnitValue
(Direction XY)		Value
(Direction Z)
Bulk Densityg/cm³≥1.9
Tensile StrengthMPa≥110≥80
Compressive StrengthMPa≥80≥110
Thermal conductivityW/m·K
(900℃)		 ≥ 40≥ 22
Linear Thermal Expansion×10⁻⁶/℃
(900℃)		≤2≤3
CTEkJ/kg·K≥1.7
Fiber volume percent40-45%
Carbon Content99.90%
Fiber volume percent40-45%
Graphitization≥65%
Open porosity< 5%

Customization & Manufacturing

cmcmat 3d carbon fiber preform

Raw Material Control

The preforms production to ensure consistent density distribution

desification furnace

Densification Process

Hybrid densification cycles (CVD + Impregnation) to reach 1.85+ g/cm³

cmcmat high density c c material

Precision Machining

High-precision machining to strict tolerances (±0.02mm) based on your drawings

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What is feature of missile carbon carbon composite throat?

The carbon-carbon composite throat in missile technology is a critical component used in the nozzle section of rocket and missile engines. These throats are subjected to extremely harsh conditions, including high temperatures, corrosive gases, and intense pressures during rocket engine operation. The use of carbon-carbon composites in this application offers several distinct advantages:

Key Features of Carbon-Carbon Composite Throat

  1. High Temperature Resistance:

    • Durability at Extreme Temperatures: Carbon-carbon composites maintain structural integrity under extremely high temperatures (exceeding 2,500 degrees Celsius), which are typical in rocket engine nozzles.
    • Thermal Stability: They exhibit minimal thermal expansion at high temperatures, ensuring consistent performance and dimensional stability of the nozzle throat during operation.

  2. High Thermal Conductivity:

    • Efficient Heat Dissipation: The composite facilitates efficient heat dissipation, protecting the structure of the missile and enhancing the overall effectiveness of the cooling system.

  3. Erosion and Ablation Resistance:

    • Resilient to Ablation: The material resists ablation caused by the high-speed flow of hot gases, a common challenge in the throat area of missile nozzles.
    • Resistance to Chemical Attack: Carbon-carbon composites are resistant to the corrosive effects of the combustion gases and propellant chemicals.

  4. Strength and Lightweight:

    • High Strength-to-Weight Ratio: The composites provide considerable strength without adding significant weight, a critical factor in aerospace applications where weight reduction is paramount.
    • Mechanical Strength: Despite the high temperatures and corrosive environment, carbon-carbon composites maintain excellent mechanical strength.

  5. Fatigue Resistance:

    • Withstands High Pressure and Vibration: The material is capable of withstanding the cyclic loads and vibrations experienced during rocket engine operation, which helps in maintaining the integrity and alignment of the engine components.

Application Benefits

  • Enhanced Performance: The use of carbon-carbon composite throats helps in achieving higher thrust levels by allowing engines to operate at higher temperatures and pressures.
  • Longevity and Reliability: These materials reduce the need for frequent replacements due to their enhanced durability and erosion resistance.
  • Cost-Effectiveness: Although the initial cost may be high, the longer lifespan and reduced maintenance requirements offer long-term savings.

Carbon-carbon composite throats are an example of advanced materials engineering providing substantial benefits in demanding aerospace applications, particularly in improving the performance and reliability of missile technology.

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