Overview of MAR-M247 Spherical Nickel-Based Alloy Powder
When it comes to high-performance materials that can withstand the harshest environments, MAR-M247 Spherical Nickel-Based Alloy Powder stands out as a top contender. This high-strength, heat-resistant superalloy is specifically engineered for applications that demand exceptional mechanical performance and oxidation resistance at extreme temperatures. Industries such as aerospace, power generation, and automotive rely heavily on MAR-M247 for manufacturing critical components like turbine blades, combustion chambers, and other high-stress parts.
What makes MAR-M247 so unique? Its nickel-based composition, enriched with elements like chromium, cobalt, aluminum, and titanium, provides unparalleled thermal stability, creep resistance, and oxidation protection. The spherical form of the alloy powder, achieved through advanced gas atomization techniques, ensures excellent flowability, packing density, and consistency, making it ideal for additive manufacturing (3D printing), thermal spraying, and powder metallurgy.
In this comprehensive guide, we’ll delve deep into the world of MAR-M247 Spherical Nickel-Based Alloy Powder. From its composition and properties to its applications, specifications, pricing, and more, we’ll cover everything you need to know about this cutting-edge material.
What is MAR-M247 Spherical Nickel-Based Alloy Powder?
MAR-M247 Spherical Nickel-Based Alloy Powder is a nickel-based superalloy designed to operate in extreme environments where high temperatures, mechanical stress, and oxidation resistance are critical. Initially developed for the aerospace and turbine industries, MAR-M247 has become a cornerstone material for high-performance applications.
The term “spherical” refers to the shape of the powder particles, which are produced using gas atomization or similar processes. This shape enhances flowability, packing density, and uniformity, making the powder suitable for advanced manufacturing processes like 3D printing, HIP (Hot Isostatic Pressing), and thermal spray coatings.
Simply put, MAR-M247 is the go-to material when you need something that can survive extreme heat and pressure while maintaining its strength and integrity.
Composition and Properties of MAR-M247 Spherical Nickel-Based Alloy Powder
Composition Breakdown
The performance of MAR-M247 is rooted in its carefully balanced chemical composition. Each element plays a distinct role in enhancing its properties.
| Element | Composition (%) | Function in Alloy |
|---|---|---|
| Nickel (Ni) | Balance | Base element providing thermal stability and strength. |
| Chromium (Cr) | 8–10 | Improves oxidation and corrosion resistance. |
| Cobalt (Co) | 9–10 | Enhances strength and thermal stability. |
| Molybdenum (Mo) | 0.5–1.5 | Increases creep resistance and strength. |
| Tungsten (W) | 9–10 | Enhances high-temperature strength and hardness. |
| Titanium (Ti) | 0.5–1.2 | Provides precipitation hardening. |
| Aluminum (Al) | 5.5–6.5 | Improves oxidation resistance and hardness. |
| Tantalum (Ta) | 2.5–3.5 | Contributes to creep resistance and stability. |
| Carbon (C) | 0.15–0.17 | Adds hardness and wear resistance. |
| Boron (B) | 0.005–0.015 | Strengthens grain boundaries for added durability. |
Key Properties
| Property | Value |
|---|---|
| Density | ~8.6 g/cm³ |
| Melting Point | ~1300–1350 °C |
| Hardness | ~400–500 HV |
| Tensile Strength | ~1200 MPa |
| Yield Strength | ~900 MPa |
| Creep Rupture Strength | Excellent at temperatures up to 1000°C. |
| Thermal Conductivity | ~12 W/m·K |
| Oxidation Resistance | Outstanding in temperatures up to 1100°C. |
| Weldability | Moderate; requires specific techniques. |
Notable Characteristics
- High-Temperature Strength: MAR-M247 maintains its mechanical integrity even at temperatures exceeding 1000°C, making it ideal for jet engines and gas turbines.
- Oxidation Resistance: The alloy forms a protective oxide layer, ensuring long-term durability in oxidizing environments.
- Creep Resistance: Thanks to elements like molybdenum, tungsten, and tantalum, MAR-M247 resists deformation under prolonged stress.
- Spherical Shape Advantage: The uniform particle shape ensures consistent performance in additive manufacturing and advanced processes.
Applications of MAR-M247 Spherical Nickel-Based Alloy Powder
The exceptional properties of MAR-M247 make it a top choice for applications that demand durability, strength, and thermal stability.
| Industry | Applications |
|---|---|
| Aerospace | Turbine blades, jet engine components, and combustion chambers. |
| Energy | Gas turbine parts, power plant components, and heat exchangers. |
| Automotive | High-performance turbochargers and exhaust systems. |
| 3D Printing | Additive manufacturing of complex, high-strength parts. |
| Industrial | Tooling for high-temperature environments and wear-resistant coatings. |
| Chemical | Reactors and processing equipment in corrosive and high-heat environments. |
Specifications, Sizes, and Standards for MAR-M247 Spherical Nickel-Based Alloy Powder
| Specification | Details |
|---|---|
| Particle Size Range | 15–45 µm (for 3D printing), 45–150 µm (for thermal spraying). |
| Shape | Spherical (ensures better flow and packing). |
| Purity | ≥99.5% |
| Packaging | Vacuum-sealed containers (1kg, 5kg, 10kg options). |
| Standard Compliance | ASTM F3055, AMS 5382, ISO 9001 |
Suppliers and Pricing for MAR-M247 Spherical Nickel-Based Alloy Powder
Pricing for MAR-M247 Spherical Nickel-Based Alloy Powder depends on factors such as particle size, order volume, and supplier location.
| Supplier Name | Region | Price Range (USD/kg) | Special Features |
|---|---|---|---|
| Advanced Alloys Inc. | North America | $350–$550 | High-quality powders for aerospace use. |
| Global Metal Solutions | Europe | $400–$600 | Custom particle sizing available. |
| Asia-Pacific Materials | Asia-Pacific | $300–$500 | Bulk discounts for industrial orders. |
| PowderTech Innovations | Global | $350–$650 | ISO-certified powders for additive manufacturing. |
Advantages and Limitations of MAR-M247 Spherical Nickel-Based Alloy Powder
| Advantages | Limitations |
|---|---|
| Exceptional high-temperature strength and creep resistance. | Higher cost compared to standard alloys. |
| Superior oxidation and corrosion resistance. | Requires specialized processing techniques. |
| Ideal for additive manufacturing and thermal spraying. | Limited availability in some regions. |
| Long-term reliability in extreme environments. | Post-processing may be necessary for specific properties. |
Comparison: MAR-M247 vs. Other Nickel-Based Alloys
| Feature | MAR-M247 | Inconel 718 | Hastelloy X |
|---|---|---|---|
| Melting Point | ~1300–1350 °C | ~1290–1350 °C | ~1260–1355 °C |
| High-Temperature Strength | Excellent | Good | Moderate |
| Oxidation Resistance | High | High | Superior in reducing environments. |
| Creep Resistance | Superior | Good | Moderate |
| Cost | Moderate to High | High | Moderate |
| Applications | Aerospace, energy | Aerospace, energy | Chemical, industrial |
FAQs About MAR-M247 Spherical Nickel-Based Alloy Powder
| Question | Answer |
|---|---|
| What is MAR-M247 Spherical Nickel-Based Alloy Powder used for? | It’s used in high-stress, high-temperature applications like turbines and jet engines. |
| Why is it spherical? | The spherical shape enhances flowability, packing density, and uniformity for manufacturing processes. |
| Can it handle extreme heat? | Yes, it performs exceptionally well at temperatures up to 1000°C. |
| Is it corrosion-resistant? | Yes, it resists oxidation and corrosion in high-temperature environments. |
| Where can I buy it? | Suppliers like Advanced Alloys Inc. and PowderTech Innovations offer it globally. |
Conclusion
MAR-M247 Spherical Nickel-Based Alloy Powder is a high-performance material designed for the most demanding environments. With its exceptional strength, thermal stability, and oxidation resistance, it has become a preferred choice in industries like aerospace, energy, and manufacturing. Whether you’re utilizing it for additive manufacturing, thermal spraying, or high-stress tooling, MAR-M247 delivers unmatched reliability and performance.
Looking to elevate your manufacturing to the next level? MAR-M247 Spherical Nickel-Based Alloy Powder is the material to trust when failure is not an option. Explore its possibilities today!