Magnesium Gadolinium Master Alloy

• Magnesium-based gadolinium master alloy
• Provides controlled gadolinium addition to magnesium melts
• Improves precipitation-hardening potential
• Can increase strength of Mg-RE alloy systems
• Supports improved elevated-temperature performance
• Can improve creep resistance in magnesium alloys
• Useful for developing lightweight structural alloys
• Suitable for research and production alloying
• Controlled rare-earth chemistry
• Custom composition and impurity limits may be available
• COA available with applicable material specifications

Property	Typical Specification
Product Name	Magnesium Gadolinium Master Alloy
Material	Mg-Gd
Base Metal	Magnesium
Alloying Element	Gadolinium
Chemical Symbols	Mg / Gd
CAS – Magnesium	7439-95-4
CAS – Gadolinium	7440-54-2
Common Composition	Mg-Gd, composition specified by customer
Example Gd Content	Mg-5Gd, Mg-10Gd, Mg-20Gd, Mg-25Gd, Mg-30Gd or custom
Gadolinium Content	Typically specified in wt%
Balance	Magnesium
Appearance	Metallic silver/gray
Crystal Structure	Composition dependent
Density	Composition dependent
Melting Range	Composition dependent
Purity	Alloy-specific
Impurity Control	Fe, Cu, Ni, Si and other impurities controlled as specified
Form	Ingot, billet, lump, granule or other custom form
Documentation	COA; SDS and additional documentation as applicable

Mg-5Gd Master Alloy

A lower-concentration gadolinium addition for controlled modification of magnesium alloy chemistry.

Mg-10Gd Master Alloy

A commonly useful intermediate Gd concentration for magnesium alloy development and research.

Mg-20Gd Master Alloy

Higher-gadolinium master alloy for applications requiring more concentrated rare-earth additions.

Mg-25Gd / Mg-30Gd Master Alloy

Higher-concentration master alloys for efficient Gd addition during magnesium alloy production.

Custom Mg-Gd Master Alloy

Custom Gd concentrations, impurity limits, and alloy chemistry may be available for aerospace, automotive, research, casting, and advanced magnesium alloy development.

1. What is magnesium gadolinium master alloy?

Magnesium gadolinium master alloy is a concentrated Mg-Gd alloy used to introduce controlled amounts of gadolinium into magnesium melts during the production or development of rare-earth-containing magnesium alloys.

2. What does gadolinium do in magnesium alloys?

Gadolinium can significantly improve the strengthening and precipitation-hardening response of magnesium alloys and can contribute to improved creep resistance and elevated-temperature performance.

3. What compositions of Mg-Gd master alloy are available?

Common requested compositions can include Mg-5Gd, Mg-10Gd, Mg-20Gd, Mg-25Gd, and Mg-30Gd, along with custom concentrations. The exact composition should be specified in wt% Gd.

4. What is magnesium gadolinium master alloy used for?

Typical applications include advanced magnesium alloy development, aerospace materials research, automotive lightweight alloys, casting, metallurgy, additive manufacturing research, and high-temperature magnesium alloy systems.

5. Why use a master alloy instead of pure gadolinium?

A master alloy provides a more practical way to introduce gadolinium into magnesium during alloy production. The concentrated Mg-Gd composition can help provide controlled alloying and more consistent distribution of Gd.

6. Can REG Metals supply custom Mg-Gd master alloy?

Yes. REG Metals can source Mg-Gd master alloys according to required Gd concentration, impurity limits, composition, form, packaging, and quantity, subject to availability. COA documentation can be provided as applicable.