Alumina Fiber Ceramic Composite Reinforcement
CAS Number: 1344-28-1
Polycrystalline alumina (Al2O3) fibers are high-performance refractory reinforcements for ceramic matrix composites (CMC), thermal insulation modules, and metal matrix composites. Available in short-fiber and continuous-fiber forms, alumina fibers provide excellent tensile strength, creep resistance at temperatures up to 1400 °C, and chemical stability in oxidizing atmospheres.
Technical Specifications
| appearance | White fibrous mat or loose fiber |
| purity (%) | ≥95 |
| Al2O3 content (%) | 95–99 |
| fiber diameter (µm) | 3–10 |
| max service temperature (°C) | 1400–1600 |
Applications
- Reinforcement in oxide ceramic matrix composites (CMC)
- High-temperature thermal insulation blankets and modules
- Reinforcement for aluminum and magnesium metal matrix composites
- Refractory fiber boards and shapes for industrial furnaces
- Filtration media for molten metal filtration
Key Features
- High continuous use temperature up to 1600 °C in oxidizing atmospheres
- Superior creep resistance compared to silica and aluminosilicate fibers
- Chemically stable in oxidizing, reducing, and neutral atmospheres
- Flexible delivery forms: mat, blanket, loose fiber, or preform
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CAS Number
1344-28-1
Category
Ceramic / Glass AdditivesAvailability
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