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3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

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3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

Brand Name : Zoli

Model Number : MP-01

Certification : ISO9001,CE

Place of Origin : China

MOQ : 1kg

Payment Terms : L/C,T/T,Western Union

Supply Ability : 500ton Per Year

Delivery Time : within 30days

Packaging Details : Vacuum package,plastic and iron barrel

Melting Point : 1538°C

Powder Packaging : Vacuum-sealed

Storage Conditions : Store in a cool, dry place

Production Method : Atomization method

Boiling Point : 2750°C

Storage Condition : Store in a cool, dry place

Uses : Manufacturing of steel, magnets, and pigments

Solubility : Insoluble in water

Color : Silver-gray powder

Thermal Conductivity : 80.4 W/m·K

Corrosion Resistance : Highly susceptible to corrosion

Purity : 99.9%

Powder Color : Varies depending on metal type

Electrical Conductivity : 1.0 × 10^6 S/m

Shelf Life : 2 years

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3D Printing Nickel In625 Metal Powder for Aerospace Turbine Components

1. Introduction

Nickel-based superalloys, particularly Inconel 625 (In625), are widely used in aerospace applications due to their exceptional high-temperature strength, corrosion resistance, and fatigue resistance. Additive Manufacturing (AM), or 3D printing, enables the production of complex aerospace turbine components with reduced material waste and improved design flexibility.

This detailed description covers the properties of In625 metal powder, 3D printing processes, post-processing, and aerospace turbine applications.

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components


2. Inconel 625 (In625) Metal Powder Properties

In625 is a nickel-chromium-molybdenum superalloy with the following key characteristics:

Chemical Composition (ASTM B443)

Element Composition (wt.%)
Nickel (Ni) ≥ 58.0
Chromium (Cr) 20.0 - 23.0
Molybdenum (Mo) 8.0 - 10.0
Iron (Fe) ≤ 5.0
Niobium (Nb) 3.15 - 4.15
Titanium (Ti) ≤ 0.40
Aluminum (Al) ≤ 0.40
Carbon (C) ≤ 0.10
Manganese (Mn) ≤ 0.50
Silicon (Si) ≤ 0.50
Phosphorus (P) ≤ 0.015
Sulfur (S) ≤ 0.015

Mechanical & Thermal Properties

  • Tensile Strength: 930 MPa (at room temperature)

  • Yield Strength: 517 MPa

  • Elongation: 42.5%

  • Density: 8.44 g/cm³

  • Melting Point: 1290 - 1350°C

  • Oxidation Resistance: Excellent up to 980°C

  • Corrosion Resistance: Resistant to pitting, crevice corrosion, and saltwater environments

Powder Characteristics for 3D Printing

  • Particle Size Distribution: 15 - 45 µm (for LPBF) or 45 - 106 µm (for DED)

  • Morphology: Spherical (for optimal flowability)

  • Powder Production Method: Gas Atomization (Argon or Nitrogen)

  • Flowability: ≤ 25 s/50g (Hall Flowmeter test)

  • Apparent Density: ≥ 4.5 g/cm³


3. 3D Printing Processes for In625 in Aerospace Turbines

The most common metal 3D printing methods for In625 include:

A. Laser Powder Bed Fusion (LPBF / SLM)

  • Process: A high-power laser selectively melts In625 powder layer-by-layer.

  • Advantages:

    • High precision (± 0.05 mm)

    • Fine surface finish (Ra 5 - 15 µm)

    • Suitable for complex internal cooling channels in turbine blades

  • Typical Parameters:

    • Laser Power: 200 - 400 W

    • Layer Thickness: 20 - 50 µm

    • Scan Speed: 800 - 1200 mm/s

    • Build Rate: 5 - 20 cm³/h

B. Directed Energy Deposition (DED / LENS)

  • Process: A laser or electron beam melts In625 powder as it is deposited.

  • Advantages:

    • Higher deposition rates (50 - 200 cm³/h)

    • Suitable for large turbine components and repairs

  • Typical Parameters:

    • Laser Power: 500 - 2000 W

    • Powder Feed Rate: 5 - 20 g/min

C. Electron Beam Melting (EBM)

  • Process: Uses an electron beam in a vacuum to melt In625 powder.

  • Advantages:

    • Reduced residual stress (due to high preheat temperature)

    • Faster build rates than LPBF

  • Typical Parameters:

    • Beam Current: 5 - 50 mA

    • Accelerating Voltage: 60 kV

    • Layer Thickness: 50 - 100 µm


4. Post-Processing for Aerospace Turbine Components

To meet stringent aerospace requirements, post-processing is essential:

A. Heat Treatment

  • Stress Relief: 870°C for 1 hour (air cooling)

  • Solution Annealing: 1150°C for 1 hour (water quenching)

  • Aging (if needed): 700 - 800°C for 8 - 24 hours

B. Hot Isostatic Pressing (HIP)

  • Purpose: Eliminates internal porosity (improves fatigue life)

  • Parameters: 1200°C at 100 - 150 MPa for 4 hours

C. Machining & Finishing

  • CNC Machining: For tight-tolerance features

  • Surface Finishing: Electrochemical polishing or abrasive flow machining for smoother surfaces

  • Non-Destructive Testing (NDT): X-ray CT, ultrasonic testing, or dye penetrant inspection


5. Aerospace Turbine Applications

3D-printed In625 is used in critical turbine components, including:

  • Turbine Blades & Vanes (with internal cooling channels)

  • Combustor Liners (heat and corrosion resistance)

  • Exhaust Nozzles (high-temperature stability)

  • Fuel Nozzles (GE Aviation’s LEAP engine uses 3D-printed In625)

  • Repair of Worn Turbine Parts (via DED)

Benefits Over Traditional Manufacturing

✔ Weight Reduction (lattice structures & topology optimization)
✔ Faster Production (no need for complex tooling)
✔ Improved Performance (optimized cooling channels)
✔ Material Savings (near-net-shape manufacturing)


6. Challenges & Future Trends

Challenges:

  • High Cost of In625 Powder

  • Residual Stress & Distortion (requires proper heat treatment)

  • Powder Reusability Limits (typically 5 - 10 cycles before degradation)

Future Trends:

  • AI-Driven Process Optimization (for defect-free printing)

  • Hybrid Manufacturing (combining AM with CNC machining)

  • New Alloy Development (higher-temperature variants)


3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components

3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components


Wholesale 3D Printing Nickel In625 Metal Powder For Aerospace Turbine Components from china suppliers

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