Nickel 70/Zirconium 30 Alloy,Nickel Zirconium Alloy.Ni30Zr Alloy，1

### **Nickel 70/Zirconium 30 Alloy (Ni₇₀Zr₃₀) - Advanced Nickel-Zirconium Alloy** #### **Overview** **Nickel 70/Zirconium 30 Alloy** is a specialized nickel-zirconium intermetallic compound that exhibits unique properties including excellent hydrogen absorption capacity, good corrosion resistance, and the ability to form amorphous structures through rapid solidification. This alloy combines the excellent corrosion resistance of nickel with the strong gettering properties and hydrogen affinity of zirconium, making it valuable for specialized applications in energy storage, chemical processing, and advanced materials technology. --- #### **Chemical Composition (Weight %)** | Element | Content (%) | Function | |---------|-------------|-----------| | **Nickel (Ni)** | **68.0-72.0%** | Base element providing corrosion resistance and catalytic properties | | **Zirconium (Zr)** | **28.0-32.0%** | Primary alloying element for hydrogen absorption and intermetallic formation | | **Iron (Fe)** | **≤ 0.5%** | Controlled impurity | | **Carbon (C)** | **≤ 0.05%** | Strictly controlled interstitial element | | **Oxygen (O)** | **≤ 0.08%** | Minimized to prevent oxide formation | | **Hafnium (Hf)** | **≤ 1.5%** | Naturally occurring in zirconium | | **Other Elements** | **≤ 0.3%** | Total other impurities | --- #### **Physical & Mechanical Properties** | Property | Value / Description | |----------|---------------------| | **Density** | **7.80-8.00 g/cm³** | | **Melting Point** | **1250-1300°C** (2282-2372°F) | | **Electrical Resistivity** | **110-140 μΩ·cm** (at 20°C) | | **Thermal Conductivity** | **12-16 W/m·K** (at 20°C) | | **Coefficient of Thermal Expansion** | **10.0-12.0 × 10⁻⁶/°C** (20-400°C) | | **Specific Heat Capacity** | **420-470 J/kg·K** | | **Microhardness** | **400-600 HV** | | **Tensile Strength** | **700-900 MPa** | | **Young's Modulus** | **150-180 GPa** | | **Hydrogen Absorption Capacity** | **Up to 2.0 wt%** | | **Crystallization Temperature** | **450-550°C** (for amorphous form) | --- #### **Key Characteristics & Applications** **Key Characteristics:** - **Excellent Hydrogen Absorption**: High capacity for hydrogen storage and purification - **Good Corrosion Resistance**: Superior to many conventional alloys in aggressive environments - **Amorphous Forming Ability**: Can be produced as metallic glass through rapid solidification - **Catalytic Properties**: Effective in various chemical reactions - **High Hardness**: Good wear resistance in intermetallic form - **Thermal Stability**: Maintains properties at moderate temperatures **Typical Applications:** - **Hydrogen Storage**: Solid-state hydrogen storage systems - **Chemical Processing**: Catalysts and catalyst supports - **Gettering Applications**: Hydrogen purification and vacuum systems - **Nuclear Industry**: Specialized components and research applications - **Battery Technology**: Electrode materials and hydrogen storage alloys - **Amorphous Alloys**: Precursor for metallic glass production - **Aerospace**: Specialized components requiring hydrogen compatibility --- #### **International Standards & Specifications** | Standard | Designation | Description | |----------|-------------|-------------| | **ASTM** | **B783** | Standard specification for materials for ferrous powder metallurgy | | **AMS** | **4954** | Aerospace material specification for nickel alloys | | **ISO** | **9724** | Nickel alloy ingots for remelting | | **UNS** | **N70300** | Unified Numbering System designation | | **Research Standards** | **Laboratory Protocols** | Academic and research specifications | --- #### **Manufacturing & Processing** **Available Forms:** - **Ingots**: Arc-melted or induction-melted buttons - **Powders**: Gas-atomized or mechanically alloyed powders - **Ribbons**: Melt-spun amorphous ribbons - **Sputtering Targets**: For thin film deposition - **Custom Shapes**: Limited due to brittleness **Processing Guidelines:** - **Melting**: Requires controlled atmosphere or vacuum melting - **Rapid Solidification**: Melt spinning for amorphous production - **Powder Production**: Gas atomization for spherical powders - **Heat Treatment**: Controlled annealing for crystallization control - **Handling**: Requires protection from oxidation --- #### **Hydrogen Absorption Properties** | Property | Value / Description | |----------|---------------------| | **Absorption Capacity** | **1.5-2.0 wt% hydrogen** | | **Absorption Kinetics** | **Rapid at elevated temperatures** | | **Plateau Pressure** | **Suitable for practical applications** | | **Cyclic Stability** | **Good with proper processing** | | **Activation Requirements** | **Heat and vacuum treatment** | --- #### **Quality Control & Testing** - **Chemical Analysis**: ICP-MS for accurate composition verification - **Hydrogen Absorption Testing**: Pressure-composition-temperature measurements - **Structural Analysis**: XRD for phase identification and amorphous content - **Thermal Analysis**: DSC for crystallization behavior - **Microstructural Examination**: SEM/TEM for detailed analysis - **Surface Area Measurement**: BET for powder materials --- #### **Comparison with Related Alloys** | Property | Ni₇₀Zr₃₀ | Ti₅₀Zr₅₀ | LaNi₅ | |----------|-----------|-----------|---------| | **Hydrogen Capacity** | 1.5-2.0 wt% | 1.8-2.2 wt% | 1.3-1.5 wt% | | **Activation** | Moderate | Difficult | Easy | | **Cost** | Moderate | High | High | | **Corrosion Resistance** | Good | Excellent | Poor | --- #### **Summary** **Nickel 70/Zirconium 30 Alloy** represents a specialized functional material with unique hydrogen absorption properties and good corrosion resistance. Its ability to form both crystalline intermetallic compounds and amorphous structures through rapid solidification makes it valuable for advanced applications in energy storage, chemical processing, and materials research. While the alloy presents challenges in processing due to its brittleness and sensitivity to oxidation, its exceptional hydrogen storage capabilities and catalytic properties justify its use in specialized applications. The ongoing research and development in this material system continue to expand its potential applications, particularly in the growing field of hydrogen energy and advanced catalytic systems. Established manufacturing protocols and comprehensive characterization methods ensure consistent performance for research and industrial 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 3235 gallon liquid totes Special package is available on request.