8009 Aluminum alloy,Aluminum 8009 alloy，E FORU

### **Aluminum 8009 Alloy Technical Datasheet** --- #### **1. Product Overview** **Aluminum 8009** is a sophisticated iron-rich wrought aluminum alloy developed for elevated temperature applications. This rapidly solidified powder (RSP) metallurgy alloy offers exceptional thermal stability and strength retention at high temperatures, making it suitable for aerospace and advanced engineering applications where conventional aluminum alloys would fail. --- #### **2. Chemical Composition (Weight %)** | Element | Composition Range | Typical Value | |---------|-------------------|---------------| | Aluminum (Al) | Balance | ≥85.5% | | Iron (Fe) | 7.0 - 9.0% | 8.0% | | Cerium (Ce) | 1.5 - 2.5% | 2.0% | | Silicon (Si) | 0.8 - 1.4% | 1.1% | | Vanadium (V) | 1.5 - 2.2% | 1.8% | | Molybdenum (Mo) | 1.0 - 1.8% | 1.4% | | Zirconium (Zr) | 0.8 - 1.4% | 1.1% | | Other Elements (each) | ≤ 0.10% | - | | Total Other Elements | ≤ 0.25% | - | **Key Composition Features:** - High iron content for thermal stability and dispersion strengthening - Rare earth element (Cerium) for improved high-temperature properties - Multiple transition metals for complex intermetallic formation - Rapid solidification metallurgy for fine microstructure - Designed for elevated temperature performance --- #### **3. Physical Properties** | Property | Metric Value | Imperial Value | |----------|--------------|----------------| | Density | 2.92 g/cm³ | 0.105 lb/in³ | | Melting Range | 580-650°C | 1076-1202°F | | Thermal Conductivity | 100-115 W/m·K | - | | Electrical Conductivity | 28-33% IACS | - | | Modulus of Elasticity | 78 GPa | 11.3 × 10⁶ psi | | Coefficient of Thermal Expansion | 21.5 × 10⁻⁶/°C | 11.9 × 10⁻⁶/°F | | Specific Heat Capacity | 850 J/kg·K | - | | Electrical Resistivity | 52-62 nΩ·m | - | --- #### **4. Mechanical Properties** **Room Temperature Properties:** - **Tensile Ultimate Strength**: 450-520 MPa (65-75 ksi) - **Yield Strength (0.2% Offset)**: 380-450 MPa (55-65 ksi) - **Elongation**: 8-12% - **Shear Strength**: 280-320 MPa (41-46 ksi) - **Hardness (HV)**: 150-170 - **Fatigue Strength**: 180-220 MPa (26-32 ksi) **Elevated Temperature Properties (315°C/600°F):** - **Tensile Strength**: 220-260 MPa (32-38 ksi) - **Yield Strength**: 180-220 MPa (26-32 ksi) - **Creep Resistance**: Excellent up to 425°C (800°F) - **Stress Rupture Life**: >1000 hours at 250°C under 100 MPa --- #### **5. International Standards** **Primary Specifications:** - **AMS 7894**: Aluminum Alloy 8009 Forgings and Rings - **ASTM B928**: High Magnesium Aluminum-Alloy Products - **ISO 6361**: Wrought Aluminum and Aluminum Alloy Sheets **Specialized Specifications:** - **Aerospace Material Specifications** for elevated temperature applications - **Proprietary Specifications** for specific OEM requirements - **MIL Standards** for defense applications --- #### **6. Product Applications** **Aerospace & Defense:** - Supersonic aircraft skin panels - Missile structural components - Rocket engine components - Aircraft brake systems - Thermal protection systems **Automotive High-Temperature:** - Turbocharger components - High-performance engine parts - Exhaust system components - Brake system components **Advanced Engineering:** - Heat exchanger components for elevated temperatures - Nuclear reactor components - Advanced machinery parts - Specialized tooling and fixtures --- #### **7. Key Characteristics** **Advantages:** - **Exceptional high-temperature stability** up to 425°C (800°F) - **Excellent creep resistance** - **Good oxidation resistance** - **Superior strength retention at elevated temperatures** - **Good fatigue performance** - **Excellent thermal stability** **Limitations:** - Higher cost due to specialized manufacturing - Limited formability at room temperature - Specialized processing requirements - Limited availability in standard product forms --- #### **8. Processing Characteristics** **Manufacturing Process:** - Rapid solidification powder metallurgy - Hot isostatic pressing (HIP) - Extrusion and forging operations - Specialized heat treatment requirements **Machining:** - Moderate machinability rating: 35% (relative to 2011-T3=100%) - Requires carbide tooling - Optimal cutting speed: 80-160 m/min - Adequate cooling required - Produces fine, broken chips **Joining Methods:** - **Diffusion bonding**: Excellent - **Friction stir welding**: Good - **Conventional welding**: Limited - **Brazing**: Specialized techniques required - **Mechanical fastening**: Preferred method --- #### **9. Corrosion & Oxidation Resistance** **Performance Characteristics:** - **Oxidation Resistance**: Excellent up to 450°C - **Atmospheric Corrosion**: Good - **Stress Corrosion Cracking**: Good resistance - **High-Temperature Oxidation**: Forms protective oxide layer - **Galvanic Corrosion**: Requires isolation from dissimilar metals --- #### **10. Heat Treatment** **Thermal Processing:** - Solution treatment: 480-520°C (896-968°F) - Aging treatment: 350-400°C (662-752°F) - Stress relief: 300-350°C (572-662°F) - Stabilization treatments for specific applications --- #### **11. Quality Assurance** **Testing Requirements:** - Chemical composition verification - Mechanical testing at room and elevated temperatures - Creep and stress rupture testing - Microstructural examination - Non-destructive testing - High-temperature performance validation --- #### **12. Comparison with Conventional Alloys** | Property | 8009 Alloy | 2618 Alloy | 2219 Alloy | |----------|------------|------------|------------| | Max Service Temperature | 425°C | 200°C | 175°C | | Room Temp Strength (MPa) | 450-520 | 440-480 | 380-420 | | Strength at 315°C (MPa) | 220-260 | 80-100 | 40-60 | | Manufacturing Process | RSP | Conventional | Conventional | --- #### **Conclusion** Aluminum 8009 alloy represents a significant advancement in aluminum alloy technology, specifically designed for applications requiring exceptional performance at elevated temperatures. Its unique rapid solidification powder metallurgy manufacturing process and sophisticated chemical composition enable it to maintain mechanical properties at temperatures where conventional aluminum alloys would rapidly lose strength. While the alloy commands a premium price and requires specialized processing, its unparalleled high-temperature capabilities make it indispensable for advanced aerospace, defense, and specialized engineering applications where thermal performance is critical. The continued development and application of 8009 alloy demonstrate the ongoing evolution of aluminum materials technology to meet increasingly demanding engineering requirements.

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 2226 gallon liquid totes Special package is available on request.