Aluminium Erbium Master Alloy Al-Er Alloy

Overview

​Aluminum-Erbium (Al-Er) Master Alloy is a specialized material that introduces erbium—a rare earth element—into aluminum to enhance its properties. The addition of erbium significantly improves grain refinement, mechanical strength, and thermal stability in aluminum alloys.

Key Benefits:

1. Grain Refinement: Erbium forms stable intermetallic compounds, such as Al₃Er, which act as nucleation sites during solidification. This results in a finer, more uniform grain structure, enhancing mechanical properties.​

2. Enhanced Mechanical Strength and Hardness: The refined grain structure contributes to increased tensile strength and hardness, improving the durability and performance of aluminum alloys.​

3. Improved Thermal Stability: Aluminum alloys containing erbium exhibit better performance at elevated temperatures, maintaining their mechanical properties and resisting creep deformation.

Applications:

• Aerospace: Utilized in components requiring high strength-to-weight ratios and thermal stability, such as airframes and engine parts.​

• Automotive: Applied in engine components and structural parts to enhance durability and performance under high-temperature conditions.​

• Electronics: Used in devices where thermal stability and mechanical strength are crucial.​

• Additive Manufacturing (3D Printing): Employed in producing high-quality aluminum alloy components with refined microstructures.