Magnesium Holmium Master Alloy (Mg-Ho Alloy),Magnesium Holmium Alloy,MgHo Alloy,MgHo10, MgHo20, MgHo30,E FOUR

### **Product Introduction: Magnesium Holmium Master Alloy (Mg-Ho Alloy)** **Product Names:** - Magnesium Holmium Master Alloy - Mg-Ho Alloy - MgHo Alloy - MgHo10, MgHo20, MgHo30 #### **Overview** Magnesium Holmium Master Alloy is a specialized rare-earth master alloy designed for the precise introduction of Holmium (Ho) into magnesium melts. Holmium, as a heavy rare-earth element, exhibits exceptional effectiveness in enhancing the high-temperature strength, creep resistance, and corrosion performance of magnesium alloys. This master alloy is particularly valuable for developing advanced magnesium alloys requiring superior performance in extreme environments, offering excellent solubility and high recovery rates in magnesium matrices. #### **Key Features & Advantages** - **Exceptional High-Temperature Strength:** Significantly improves tensile and creep properties at temperatures exceeding 300°C - **Superior Grain Refinement:** Effectively refines microstructure and enhances grain boundary stability - **Excellent Corrosion Resistance:** Improves general and galvanic corrosion resistance in harsh environments - **Neutron Absorption Properties:** Offers unique capabilities for nuclear radiation shielding applications - **Precise Composition Control:** Ensures consistent holmium content and uniform distribution - **High Purity:** Manufactured with minimal impurity levels for critical applications --- ### **Chemical Composition** Our Mg-Ho Master Alloy is produced under controlled atmosphere conditions to ensure precise chemical composition and high purity. | Element | MgHo10 | MgHo20 | MgHo30 | Impurities (Max.) | |---------|---------|---------|---------|-------------------| | **Ho (Holmium)** | 9.0 - 11.0% | 18.0 - 22.0% | 28.0 - 32.0% | - | | **Mg (Magnesium)** | Balance | Balance | Balance | - | | **Fe (Iron)** | ≤ 0.008% | ≤ 0.008% | ≤ 0.008% | 0.012% | | **Si (Silicon)** | ≤ 0.005% | ≤ 0.005% | ≤ 0.005% | 0.008% | | **Cu (Copper)** | ≤ 0.002% | ≤ 0.002% | ≤ 0.002% | 0.004% | | **Ni (Nickel)** | ≤ 0.001% | ≤ 0.001% | ≤ 0.001% | 0.002% | | **Other RE** | ≤ 0.03% | ≤ 0.03% | ≤ 0.03% | 0.05% | | **O (Oxygen)** | ≤ 0.01% | ≤ 0.01% | ≤ 0.01% | 0.015% | *Note: Custom compositions with specific holmium content and combination with other rare earth elements are available upon request.* --- ### **Physical Properties** | Property | MgHo10 | MgHo20 | MgHo30 | |----------|---------|---------|---------| | **Form** | Ingot, Notched Ingot | Ingot, Notched Ingot | Ingot, Notched Ingot | | **Ingot Size** | 2-8 kg | 2-8 kg | 2-8 kg | | **Color** | Silver-gray with yellowish tint | Silver-gray with yellowish tint | Silver-gray with yellowish tint | | **Density** | 1.85 - 1.95 g/cm³ | 2.00 - 2.15 g/cm³ | 2.20 - 2.35 g/cm³ | | **Melting Point** | ~620°C - 640°C | ~630°C - 650°C | ~640°C - 660°C | | **Vickers Hardness** | 45-55 HV | 50-60 HV | 55-65 HV | | **Crystal Structure** | Hexagonal Close-Packed | Hexagonal Close-Packed | Hexagonal Close-Packed | --- ### **Applications** Mg-Ho Master Alloy enables breakthrough performance in the most demanding applications: **Aerospace & Defense:** - Jet engine components and turbine blades - Missile guidance system housings - Satellite structural components - Spacecraft propulsion system parts - Military aircraft components **Nuclear Industry:** - Neutron absorption shields - Nuclear reactor control rod components - Radiation containment equipment - Nuclear fuel handling apparatus **Advanced Automotive:** - High-performance racing engine components - Turbocharger systems - Advanced powertrain elements **Specialized Industrial:** - High-temperature processing equipment - Specialized chemical reaction vessels - Advanced medical imaging equipment components **Research & Development:** - Material science research - Advanced alloy development - Nuclear technology research --- ### **International Standards** Mg-Ho Master Alloy conforms to rigorous international standards for high-purity rare-earth master alloys. **ASTM Standards:** - **ASTM B953:** Standard Practice for Sampling Magnesium and Magnesium Alloys for Chemical Analysis - **ASTM B93/B93M:** Standard Specification for Magnesium Alloys in Ingot Form for Sand Castings, Permanent Mold Castings, and Die Castings **Aerospace Standards:** - **AMS 4418:** Magnesium Alloy Castings (general specification for rare-earth containing alloys) - **NASA Standards:** Materials for space applications **Nuclear Standards:** - **ASTM E10:** Standard Test Method for Brinell Hardness of Metallic Materials - **ANSI N15.xx:** Nuclear materials specifications **International Standards:** - **ISO 16220:** Magnesium and magnesium alloys - Magnesium alloy ingots and castings - **ISO 3116:** Magnesium and magnesium alloys - Unalloyed magnesium **Quality Standards:** - **MIL-STD-1530:** Department of Defense Standard Practice - Aircraft Structural Integrity Program - **NADCAP:** National Aerospace and Defense Contractors Accreditation Program --- ### **Packaging & Handling** **Special Packaging:** - Vacuum-sealed in aluminum laminate bags - Argon atmosphere packaging available - Sealed stainless steel containers for maximum protection - Clear radioactive materials labeling when required **Storage Requirements:** - Controlled atmosphere storage recommended - Temperature: 15-25°C - Relative humidity: <40% - Separate from oxidizing materials **Safety Precautions:** - Use appropriate PPE: gloves, safety glasses, lab coats - Implement proper ventilation systems - Monitor for dust accumulation - Holmium compounds may have specific handling requirements **Radiation Safety:** - Natural holmium has weak radioactivity - Monitor according to nuclear safety protocols - Maintain exposure records for personnel - Implement radiation safety training --- ### **Technical Specifications** **Quality Assurance:** - Batch chemical analysis certification - Microstructural examination reports - Radioactivity level certification - Traceability documentation **Performance Characteristics:** - Holmium recovery rate: >92% - Excellent dissolution characteristics - Uniform element distribution - Consistent lot-to-lot performance --- ### **Regulatory Compliance** **Nuclear Regulations:** - IAEA safety standards compliance - National nuclear regulatory requirements - Transportation of radioactive materials regulations **Environmental Compliance:** - REACH compliance - RoHS exemption review - International hazardous materials transport regulations --- **Technical Support & Services** Our comprehensive technical services include: - Application-specific alloy development - Nuclear compliance guidance - Technical data package preparation - Quality certification support For technical specifications, regulatory compliance information, and application engineering support for MgHo10, MgHo20, and MgHo30 alloys, please contact our specialized technical team. We provide complete material solutions for extreme environment applications.

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 3454 gallon liquid totes Special package is available on request.