Ceramic Composite Bolt

Ceramic Composite Bolts (CMCs) are high-tech, externally threaded fasteners (e.g., hex bolts or carriage bolts) designed for use in environments involving extreme high temperatures (up to 1650°C), thermal shock, and aggressive chemical media. They are made from Ceramic Matrix Composites (CMCs), featuring ceramic fibers embedded in a ceramic matrix, which provides crucial fracture toughness and crack resistance compared to traditional monolithic ceramics. These bolts are essential for lightweight, structural connections in aerospace engine hot sections, high-performance brakes, nuclear components, and specialized industrial furnaces where metal fasteners cannot survive. Zeron Fastners supplies CMC bolts for the most demanding high-temperature assembly needs.

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Ceramic Composite Bolt

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

Property Value (Typical)
Maximum Service Temp (in Air) > 1650°C
Tensile Strength (High Temp) 100 – 400 MPa
Hardness Very High
Fracture Toughness (K_IC) 8 – 20 MPa sqrt(m)

Ceramic Composite Bolt Feature Products

Super Duplex S32750 Flanges Monel 400 Socket Cap Screws SS 316 Pipe Fittings Alloy Steel Cap Screws

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