AlCoCr2FeMo0.5Ni Spherical High-Entropy Alloy Powder Overview
AlCoCr2FeMo0.5Ni is a high-entropy alloy (HEA) powder that consists of a combination of aluminum (Al), cobalt (Co), chromium (Cr), iron (Fe), molybdenum (Mo), and nickel (Ni) in varying proportions. This unique composition results in a material with exceptional mechanical properties, corrosion resistance, and high-temperature stability, making it suitable for a wide range of industrial applications. The balanced distribution of these elements allows AlCoCr2FeMo0.5Ni to perform well in demanding environments, particularly in aerospace, energy, and manufacturing sectors.
Composition and Features of AlCoCr2FeMo0.5Ni
Elemental Composition
| Element | Composition (Atomic Ratio) | Role and Contribution |
|---|---|---|
| Aluminum (Al) | 20% | Enhances oxidation resistance and reduces density. |
| Cobalt (Co) | 20% | Improves strength and wear resistance. |
| Chromium (Cr) | 40% | Provides excellent corrosion resistance and high-temperature stability. |
| Iron (Fe) | 15% | Contributes to structural integrity and magnetic properties. |
| Molybdenum (Mo) | 2.5% | Enhances high-temperature strength and resistance to oxidation. |
| Nickel (Ni) | 2.5% | Adds toughness and corrosion resistance. |
Key Properties of AlCoCr2FeMo0.5Ni Spherical HEA Powder
| Property | Value/Range | Significance |
|---|---|---|
| Density | ~7.6 g/cm³ | Lightweight and strong, ideal for aerospace and automotive applications. |
| Melting Point | 1300–1450°C | Suitable for high-temperature applications such as turbines and reactors. |
| Hardness | ~400–500 HV | Provides excellent wear and abrasion resistance. |
| Tensile Strength | ~850–1000 MPa | Ensures structural integrity under high stress. |
| Thermal Conductivity | 12–18 W/m·K | Promotes efficient heat dissipation in high-performance systems. |
| Corrosion Resistance | Excellent | Performs well in aggressive environments, including marine and chemical applications. |
| Particle Size | 10–50 μm | Optimized for additive manufacturing and powder metallurgy processes. |
Applications of AlCoCr2FeMo0.5Ni Spherical HEA Powder
| Application | Industry | Details |
|---|---|---|
| Additive Manufacturing | Aerospace, Automotive | Ideal for creating lightweight, durable parts using 3D printing technology. |
| Thermal Spray Coatings | Energy, Marine | Protects surfaces from wear, corrosion, and oxidation in extreme environments. |
| Powder Metallurgy | Industrial, Electronics | Enables the production of high-performance components with tailored properties. |
| High-Temperature Alloys | Aerospace, Energy | Used for turbine blades, heat exchangers, and other high-temperature components. |
| Structural Components | Automotive, Defense | Provides high strength and durability for critical components. |
Specifications and Standards of AlCoCr2FeMo0.5Ni
| Specification | Details |
|---|---|
| Particle Size Range | 10–50 μm for additive manufacturing, 50–100 μm for coatings. |
| Purity | ≥ 99.5% (high-purity alloy powder). |
| Standard Compliance | ISO 9001, ASTM F3049, AS9100 (aerospace-grade material). |
| Packaging Options | Vacuum-sealed containers (1 kg, 5 kg, 10 kg) to maintain quality. |
Advantages and Limitations of AlCoCr2FeMo0.5Ni
| Advantages | Limitations |
|---|---|
| Excellent corrosion and oxidation resistance. | Higher cost compared to conventional alloys. |
| High strength and wear resistance. | Requires advanced manufacturing techniques. |
| Outstanding high-temperature stability. | Limited availability in some regions. |
| Suitable for additive manufacturing. | Not cost-effective for low-budget applications. |
Frequently Asked Questions (FAQs)
What is AlCoCr2FeMo0.5Ni spherical HEA powder?
It is a high-entropy alloy powder composed of aluminum, cobalt, chromium, iron, molybdenum, and nickel, designed for advanced applications requiring high strength, corrosion resistance, and high-temperature stability.
What industries use this alloy?
AlCoCr2FeMo0.5Ni is used in aerospace, automotive, energy, marine, and industrial applications.
Why is this alloy suitable for high-temperature applications?
It has excellent high-temperature strength, oxidation resistance, and thermal stability, making it ideal for extreme environments such as turbines and reactors.
What are the main applications of AlCoCr2FeMo0.5Ni powder?
It is used in additive manufacturing, thermal spray coatings, powder metallurgy, high-temperature alloys, and structural components for various industrial applications.
Is it cost-effective?
While it is more expensive than conventional alloys, its performance in demanding applications justifies the higher cost.
Conclusion
AlCoCr2FeMo0.5Ni spherical high-entropy alloy powder is an advanced material that offers a unique combination of high strength, corrosion resistance, and thermal stability. Its balanced composition makes it an excellent choice for industries that require performance in extreme conditions, such as aerospace, automotive, and energy.
This alloy’s versatility in additive manufacturing, coatings, and high-temperature applications makes it a forward-thinking material that will continue to play a significant role in high-performance engineering.