Magnesium Lanthanum Cerium (Mg-La-Ce) Master Alloy,Mg-La-Ce Alloy,E FOUR

### **Product Introduction: Magnesium Lanthanum Cerium Master Alloy (Mg-La-Ce Alloy)** 

 **Product Names:

** - Magnesium Lanthanum Cerium Master Alloy - Mg-La-Ce Alloy - Mischmetal Magnesium Master Alloy - Mg-MM Alloy (where MM represents mischmetal containing La-Ce) 

 #### **Overview** Magnesium Lanthanum Cerium Master Alloy is a versatile and cost-effective rare-earth master alloy that combines the beneficial properties of both lanthanum and cerium in magnesium-based systems. This ternary master alloy leverages the synergistic effects of these two light rare-earth elements to provide exceptional high-temperature performance, improved castability, and enhanced corrosion resistance. As a commercial-grade mischmetal-containing master alloy, it offers an economical solution for introducing rare-earth benefits into magnesium alloys while maintaining consistent performance and reliability. 

### **Product Introduction: Magnesium Lanthanum Cerium Master Alloy (Mg-La-Ce Alloy)** 

 **Product Names:

** - Magnesium Lanthanum Cerium Master Alloy - Mg-La-Ce Alloy - Mischmetal Magnesium Master Alloy - Mg-MM Alloy (where MM represents mischmetal containing La-Ce) 

 #### **Overview** Magnesium Lanthanum Cerium Master Alloy is a versatile and cost-effective rare-earth master alloy that combines the beneficial properties of both lanthanum and cerium in magnesium-based systems. This ternary master alloy leverages the synergistic effects of these two light rare-earth elements to provide exceptional high-temperature performance, improved castability, and enhanced corrosion resistance. As a commercial-grade mischmetal-containing master alloy, it offers an economical solution for introducing rare-earth benefits into magnesium alloys while maintaining consistent performance and reliability. 

 #### **Key Features & Advantages** - 

**Synergistic Rare-Earth Effects:

** Combines the high-temperature strength enhancement of lanthanum with the oxidation resistance and castability improvement of cerium - 

**Cost-Effective RE Solution:

** Provides rare-earth benefits at a significantly lower cost than individual rare-earth elements - 

**Excellent High-Temperature Performance:

** Improves creep resistance and mechanical properties retention up to 250°C - 

**Superior Oxidation Resistance:

** Forms stable protective surface oxides that reduce melt oxidation during processing - 

**Enhanced Castability:

** Significantly improves fluidity and reduces hot tearing tendency in cast components - 

**Improved Corrosion Resistance:

** Enhances general and galvanic corrosion resistance in various environments - 

**Commercial Availability:

** Readily available as a cost-effective alternative to high-purity single-RE master alloys --- 

 ### **Chemical Composition** Our Mg-La-Ce Master Alloy is available in standardized grades with controlled La:Ce ratios to meet different application requirements. 

 | Element | Standard Grade | High-Performance Grade | Impurities (Max.) | 

|---------|----------------|------------------------|-------------------| 

| **Total RE** | 28.0 - 32.0% | 38.0 - 42.0% | - |

 | **La (Lanthanum)** | 12.0 - 16.0% | 16.0 - 20.0% | - | 

| **Ce (Cerium)** | 14.0 - 18.0% | 20.0 - 24.0% | - |

 | **Mg (Magnesium)** | Balance | Balance | - |

 | **La:Ce Ratio** | ~0.8-0.9:1 | ~0.7-0.8:1 | - | 

| **Fe (Iron)** | ≤ 0.01% | ≤ 0.01% | 0.015% | 

| **Si (Silicon)** | ≤ 0.008% | ≤ 0.008% | 0.012% | 

| **Cu (Copper)** | ≤ 0.003% | ≤ 0.003% | 0.005% | 

| **Ni (Nickel)** | ≤ 0.002% | ≤ 0.002% | 0.003% |

 | **Other Elements** | ≤ 0.05% | ≤ 0.05% | 0.08% | 

 *Note: Custom La:Ce ratios and total RE content can be tailored to specific application needs.* --- 

 ### **Physical Properties**

 | Property | Standard Grade | High-Performance Grade |

 |----------|----------------|------------------------|

 | **Form** | Ingot, Notched Ingot | Ingot, Notched Ingot | 

| **Ingot Size** | 5-15 kg | 5-15 kg | 

| **Color** | Silver-gray with dark surface oxide | Silver-gray with dark surface oxide | 

| **Density** | 1.9 - 2.1 g/cm³ | 2.1 - 2.3 g/cm³ | 

| **Melting Point** | ~600°C - 620°C | ~610°C - 630°C |

 | **Vickers Hardness** | 55-65 HV | 65-75 HV | 

| **Total RE Recovery** | 90-94% | 90-94% | --- 

 ### **Applications** 

 Mg-La-Ce Master Alloy finds extensive applications across multiple industries where cost-effective rare-earth enhancement is required: 

 **Automotive Industry (Primary Application):

** - Engine blocks and cylinder heads 

- Transmission cases and housings 

- Intake manifolds and engine brackets 

- Steering column components 

- Oil pans and valve covers 

- Powertrain components 

 **Aerospace Components:

** - Aircraft transmission housings 

- Gearbox components 

- Engine accessory brackets 

- Non-critical structural components 

 **Industrial Equipment:

** - Power tool housings and components

 - Compressor and pump parts 

- High-temperature processing equipment 

- Machinery components and housings 

 **Consumer Products:

** - Laptop and camera bodies 

- Portable electronic device frames 

- Power tool components 

- Sports equipment 

 **General Engineering:

** - Die-cast components

 - Sand castings

 - Permanent mold castings

 - General structural applications ---

 ### **International Standards** Mg-La-Ce Master Alloy complies with major international standards for magnesium-rare earth alloys: 

 **ASTM Standards:** - **ASTM B93/B93M:** Standard Specification for Magnesium Alloys in Ingot Form for Sand Castings, Permanent Mold Castings, and Die Castings - 

**ASTM B953:** Standard Practice for Sampling Magnesium and Magnesium Alloys for Chemical Analysis 

 **European Standards:** - 

**EN 1753:** Magnesium and magnesium alloys - Magnesium alloy ingots and castings - 

**EN 12438:** Magnesium and magnesium alloys - Magnesium alloys for cast anodes 

 **International Standards:** - **ISO 16220:** Magnesium and magnesium alloys - Magnesium alloy ingots and castings - 

**ISO 3116:** Magnesium and magnesium alloys 

- Unalloyed magnesium 

 **Industry Specifications:

** - Automotive industry standards (Ford, GM, Volkswagen specifications)

 - Japanese Industrial Standards (JIS H 2221) 

- Chinese National Standards (GB/T 19078) --- 

 ### **Packaging & Handling** **

Packaging:** 

- Vacuum-sealed in moisture-proof aluminum laminate bags 

- Packed in sealed steel drums with desiccant packages 

- Clear labeling with composition, batch number, and handling instructions 

- Custom packaging available upon request 

 **Storage:** 

- Store in dry, well-ventilated areas 

- Maintain temperature below 35°C 

- Keep relative humidity below 50% 

- Separate from oxidizing agents and acids 

 **Safety Precautions:

** - Use appropriate PPE: safety glasses, gloves, protective clothing 

- Ensure adequate ventilation in working areas 

- Avoid dust generation during handling 

- Have Class D fire extinguishers readily available 

- Implement spark-proof tools in processing areas 

 **First Aid Measures:** 

- Eye contact: Flush with plenty of water for 15 minutes 

- Skin contact: Wash thoroughly with soap and water 

- Inhalation: Move to fresh air immediately 

- Ingestion: Seek medical attention promptly --- 

 ### **Quality Assurance** 

 **Certification & Testing:** 

- Material Certification per EN 10204 3.1/3.2

 - Complete chemical analysis report for each batch

- Microstructural examination documentation 

- Third-party inspection certificates available 

 **Quality Control:** 

- Chemical composition verification 

- Microstructural homogeneity assessment 

- Hardness testing and verification 

- Surface quality inspection 

- La:Ce ratio consistency check --- 

 ### **Technical Specifications** 

 **Processing Guidelines:

** - Recommended melting temperature: 680-720°C 

- Protective atmosphere: CO₂/SF₆ mixture or argon

 - Addition temperature: 700-730°C 

- Recommended stirring time: 5-8 minutes 

- Typical addition rates: 1-5% depending on final alloy requirements 

 **Heat Treatment Response:

** - Solution treatment range: 480-520°C

 - Aging temperature range: 200-250°C 

- Peak aging time: 16-24 hours 

- Good thermal stability during aging --- 

 ### **Technical Support & Services

** Our comprehensive technical services include: 

- Application-specific alloy selection guidance 

- Optimal processing parameter recommendations 

- Heat treatment optimization support 

- Quality improvement and troubleshooting 

- Custom alloy formulation development 

 **Performance Characteristics:**

- High total RE recovery rate (>90%) 

- Excellent dissolution characteristics 

- Uniform element distribution 

- Consistent batch-to-batch performance 

- Cost-effective rare-earth enhancement ---

 **Contact Information** 

 For detailed technical data sheets, pricing information, or application engineering support for Mg-La-Ce Master Alloy, please contact our technical sales team. We provide customized solutions to meet specific manufacturing requirements and performance targets across various industrial applications, offering the optimal balance between performance and cost-effectiveness.

Packing of Standard Packing: 

Typical bulk packaging includes palletized plastic 5 gallon/25 kg. pails, fiber and steel drums to 1 ton super sacks in full container (FCL) or truck load (T/L) quantities. Research and sample quantities and hygroscopic, oxidizing or other air sensitive materials may be packaged under argon or vacuum. Solutions are packaged in polypropylene, plastic or glass jars up to palletized 3463 gallon liquid totes Special package is available on request.