Aluminium Cerium Master Alloy Al-Ce Alloy

Aluminum-Cerium (Al-Ce) Master Alloy is an aluminum-based alloy containing cerium (Ce), a rare earth element. It is gaining increasing interest in advanced metallurgy due to cerium’s ability to significantly improve thermal stability, oxidation resistance, and castability of aluminum alloys — especially for high-temperature applications.

Typical Composition

• Common cerium content levels:

  • Al-Ce 5%, Al-Ce 10%, Al-Ce 15%, or higher (up to ~20%)

Key Benefits

1. Exceptional High-Temperature Stability

   • Maintains strength at temperatures >300°C, unlike traditional Al-Si or Al-Cu alloys.

2. Improved Castability

   • Excellent fluidity and reduced hot tearing during casting; ideal for near-net-shape casting.

3. No Heat Treatment Required

   • High as-cast strength without solution treatment or aging — simplifying manufacturing.

4. Oxidation & Corrosion Resistance

   • Cerium forms stable intermetallics (e.g., Al₁₁Ce₃), enhancing oxidation resistance.

5. Lightweight Replacement for Heavier Metals

   • Potential to replace steel or titanium in some high-temp applications, reducing weight.

Forms Available

• Master alloy ingots (for dilution in aluminum melts)

• Wafers or granules

• Powders (for AM and metallurgical blending)