Ceramic Composite Rod

Ceramic Composite Rod refers to long, cylindrical stock shapes made from Ceramic Matrix Composites (CMCs). CMCs are advanced materials where a ceramic matrix (e.g., Silicon Carbide) is reinforced by ceramic fibers, mitigating the brittleness of monolithic ceramics. These rods are distinguished by their exceptional thermal stability, high hardness, low coefficient of thermal expansion, and reduced weight. They retain significant strength and stiffness at temperatures well above 1650°C, making them superior to metallic alloys in extreme thermal and corrosive environments. Ceramic Composite Rods are used in aerospace components, high-speed rotating shafts, hot gas filters, and high-temperature furnace hardware. Zeron Fastners supplies CMC rods to custom specifications for high-performance mechanical applications.

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Ceramic Composite Rod

Ceramic Composite Rod Chemical Composition (Typical SiC/C-Fiber CMC)

Component Composition
Matrix Silicon Carbide (SiC) or Oxide
Reinforcement Continuous Ceramic Fibers (e.g., C-Fiber, SiC Fiber)
Density 2.0 – 3.2 g/cm³
Porosity <10% (varies by processing)

Ceramic Composite Rod Mechanical Properties (Typical SiC/C-Fiber CMC)

Property Value (Typical)
Maximum Service Temp (in Air) > 1650°C
Flexural Strength 150 – 500 MPa
Fracture Toughness (K_IC) 8 – 20 MPa sqrt(m) (High for ceramic)
Thermal Shock Resistance Excellent

Ceramic Composite Rod Feature Products