Zeron Fastners
Ceramic Composite Nuts
Ceramic Composite Nuts (CMCs) are advanced, internally threaded fasteners designed to mate with ceramic composite or specialty alloy bolts. Manufactured from Ceramic Matrix Composites, these nuts offer a unique combination of extreme high-temperature stability (up to 1650°C), low density (lightweight), and resistance to thermal shock. They are essential in structural joints within the hottest sections of aerospace engines (gas turbines), nuclear facilities, and high-temperature research equipment where conventional metal fasteners would suffer catastrophic creep or oxidation failure. Zeron Fastners supplies CMC nuts to ensure structural integrity and stability in the most thermally challenging environments.
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Ceramic Composite Nuts 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 Nuts Mechanical Properties (Typical SiC/C-Fiber CMC)
| Property | Value (Typical) |
|---|---|
| Maximum Service Temp (in Air) | > 1650°C |
| Compressive Strength (High Temp) | 200 – 600 MPa |
| Hardness | Very High |
| Thermal Shock Resistance | Excellent |