Nickel-cerium Master Alloy,Nickel-cerium Alloy，1

### **Product Introduction: Nickel-Cerium Master Alloy** **Overview** Nickel-Cerium Master Alloy is a specialized metallurgical additive designed for the precise introduction of rare earth cerium into advanced alloy systems. This master alloy serves as an efficient vehicle for incorporating cerium into nickel-based superalloys, specialty steels, and other high-performance materials. The addition of cerium significantly enhances high-temperature oxidation resistance, improves mechanical properties, modifies microstructure through unique rare earth effects, and enhances sulfur control in various metallurgical applications. --- #### **Chemical Composition (Typical % by Weight)** | Element | Content (%) | Role & Benefit | |---------|-------------|---------------| | **Nickel (Ni)** | Balance | Primary carrier metal ensuring optimal solubility and homogeneous distribution | | **Cerium (Ce)** | 15.0 - 25.0 | Rare earth element providing unique property enhancement through reactive element effect | | **Iron (Fe)** | ≤ 0.15 | Controlled residual element | | **Carbon (C)** | ≤ 0.05 | Minimized to prevent unwanted interactions | | **Silicon (Si)** | ≤ 0.08 | Controlled impurity element | | **Aluminum (Al)** | ≤ 0.10 | Limited to maintain alloy purity | | **Phosphorus (P)** | ≤ 0.015 | Strictly controlled impurity | | **Sulfur (S)** | ≤ 0.008 | Minimized to prevent hot cracking | | **Other Rare Earths** | ≤ 0.50 | Total other rare earth impurities | *Note: Cerium content can be customized from 15% to 25% based on specific application requirements and alloy system compatibility.* --- #### **Physical & Mechanical Properties** **Physical Properties:** - Density: 8.0 - 8.4 g/cm³ (depending on cerium content) - Melting Range: 1100 - 1300°C (2012 - 2372°F) - Form: Typically supplied as crushed lumps, granules, or customized shapes - Color: Silver-gray metallic appearance with characteristic rare earth properties - Solubility: Controlled solubility in nickel, iron, and cobalt-based systems **Typical Characteristics:** - Moderate cerium recovery rates (75-85%) - Excellent microstructural modification capability - Predictable dissolution behavior in molten metals - Requires special handling and storage under protective atmosphere - Consistent chemical composition batch-to-batch - Unique rare earth effects on oxidation and sulfidation resistance --- #### **International Standards and Specifications** While often customized to specific requirements, relevant references include: - **ASTM B160:** Nickel Rod and Bar (reference standard) - **ISO 6208:** Wrought nickel and nickel alloys - **AMS 2280:** Trace Element Control for Nickel Alloy - **Custom Specifications:** Customer-specific technical requirements - **Internal Quality Standards:** Comprehensive quality assurance protocols - **Material Certification:** Full traceability with chemical analysis certificate --- #### **Product Applications** **High-Temperature Superalloys:** - Nickel-based superalloys for aerospace applications - Gas turbine engine components - High-temperature oxidation-resistant alloys - Power generation turbine materials **Steel Production and Refining:** - Sulfur control and shape control in steels - Clean steel production - Free-machining steel improvements - Special alloy steel production **Special Functional Materials:** - Hydrogen storage alloys - Battery electrode materials - Catalytic converter materials - Special electronic alloys **Foundry Applications:** - Nodular cast iron production - Inoculation applications - Special casting alloy production - Microstructure control in castings --- #### **Key Advantages** 1. **Exceptional Oxidation Resistance**: Dramatically improves high-temperature oxidation resistance through reactive element effect 2. **Superior Sulfur Control**: Effective sulfur fixation and shape control in steels 3. **Microstructure Refinement**: Significant grain refinement and inclusion morphology control 4. **Mechanical Property Enhancement**: Improves strength, ductility, and high-temperature stability 5. **Unique Rare Earth Effects**: Provides special properties unavailable with conventional alloying elements 6. **Hydrogen Storage Capability**: Enhanced hydrogen absorption/desorption characteristics 7. **Catalytic Properties**: Improved catalytic performance in certain applications 8. **Batch Consistency**: Reliable performance across production batches --- **Conclusion** Nickel-Cerium Master Alloy represents a sophisticated metallurgical solution for harnessing the unique benefits of rare earth elements in advanced alloy systems. Its optimized composition ensures efficient cerium incorporation, predictable performance, and consistent results in demanding applications. The master alloy's ability to dramatically improve oxidation resistance, control sulfur behavior, refine microstructure, and provide unique functional properties makes it invaluable for applications ranging from aerospace superalloys to advanced energy materials and specialty steel production. Supported by rigorous quality control and specialized manufacturing expertise, Nickel-Cerium Master Alloy enables the development of next-generation materials that meet the increasingly demanding requirements of modern technology industries. This master alloy provides engineers and metallurgists with a powerful tool for achieving breakthrough material performance in applications where high-temperature capability, environmental resistance, and unique functional properties are essential for technological advancement and competitive advantage in global markets.

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.