Udimet 720 Nickel Alloy Powder Properties and Applications
# Udimet 720 Nickel Alloy Powder Properties and Applications
Udimet 720 Nickel Alloy Powder Properties and Applications
Udimet 720 is a high-performance nickel-based superalloy powder that has gained significant attention in the aerospace and power generation industries. This advanced material offers exceptional mechanical properties, corrosion resistance, and high-temperature stability, making it ideal for demanding applications.
Composition and Properties of Udimet 720
The chemical composition of Udimet 720 nickel alloy powder typically includes:
- Nickel (Ni): ~55-60% (base element)
- Chromium (Cr): ~18-20%
- Cobalt (Co): ~14-16%
- Molybdenum (Mo): ~3-4%
- Titanium (Ti): ~5-5.5%
- Aluminum (Al): ~2.5-3%
Key Physical Properties
Udimet 720 powder exhibits remarkable physical characteristics:
| Property | Value |
|---|---|
| Density | 8.05 g/cm³ |
| Melting Point | 1315-1365°C |
| Thermal Conductivity | 11.2 W/m·K at 20°C |
| Thermal Expansion Coefficient | 13.2 μm/m·K (20-1000°C) |
Mechanical Properties
The alloy demonstrates excellent mechanical performance under extreme conditions:
- Tensile Strength: 1200-1400 MPa at room temperature
- Yield Strength: 850-1000 MPa
- Elongation: 12-20%
- Creep Resistance: Excellent at temperatures up to 750°C
- Fatigue Resistance: Superior cyclic loading performance
Manufacturing Processes
Udimet 720 powder is typically produced through gas atomization, ensuring:
- High sphericity of powder particles
- Controlled particle size distribution
- Excellent flow characteristics
- Minimal internal porosity
The powder is commonly used in additive manufacturing processes such as:
- Selective Laser Melting (SLM)
- Electron Beam Melting (EBM)
- Direct Metal Laser Sintering (DMLS)
Applications of Udimet 720 Powder
Aerospace Industry
Keyword: Udimet720 Nickel Alloy Powder
Udimet 720 finds extensive use in aircraft engine components:
- High-pressure turbine disks
- Compressor blades
- Combustion chamber components
- Afterburner parts
Power Generation
The alloy is employed in gas turbine components for:
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