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Spherical W-4Nb (Tungsten-4% Niobium) powder is a high-performance refractory alloy powder, frequently used in advanced manufacturing, including thermal spraying and 3D printing (additive manufacturing), due to its excellent fluidity and high sphericity.
Key Characteristics (15-150µm Range)
- Shape: High sphericity, providing excellent flowability for consistent layer deposition in additive manufacturing.
- Composition: Tungsten (W) as the base, with 4 weight percent Niobium (Nb) as the alloy addition.
- Properties: This combination offers high melting points, high strength, and good corrosion resistance, making it suitable for extreme environments.
Common Applications
- Additive Manufacturing (3D Printing): Used in Selective Laser Melting (SLM) and Laser Directed Energy Deposition (DED) for building complex components.
- Thermal Spraying: Applied as a coating for wear, corrosion, and high-temperature resistance.
- Aerospace & Nuclear: Utilized for high-temperature structural parts, engine components, and radiation shielding.
Preparation and Quality
- Method: Typically produced by radio frequency (RF) plasma spheroidization, which ensures high purity and low impurity content (e.g., oxygen, nitrogen).
- Features: The resulting powder has a smooth surface, high bulk/tap density, and minimal internal defects.
Note: Other common size ranges for this material include 15-53 µm and 45-105 µm depending on the specific manufacturing technology.
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W-4Nb Alloy Powder - Materials / Alfa Chemistry
alfachemic.com
https://materials.alfachemic.com › product › w-4nb-alloy...
alfachemic.com
https://materials.alfachemic.com › product › w-4nb-alloy...
Dive Deeper
W-4Nb alloy powder is an alloy powder composed of tungsten (W) and niobium (Nb) with a spherical particle shape ... 150 μm, or customizable ... W-15Re Alloy Powder.
Spherical W-4Nb Alloy Powder 53-150μm - stardustpowder.com
stardustpowder.com
https://www.stardustpowder.com › products › spherical-...
stardustpowder.com
https://www.stardustpowder.com › products › spherical-...
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Spherical W-4Nb alloy powder is prepared by radio frequency plasma spheroidization technology, with high purity, low oxygen content, high sphericity, ...
Spherical W-Nb Alloy Powder-Product Center ...
Stardust Technology (Guangdong) Co., Ltd.
http://en.stardusttech.cn › products
Stardust Technology (Guangdong) Co., Ltd.
http://en.stardusttech.cn › products
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Spherical W-4Nb Alloy Powder 53 ... Spherical W-4Nb Alloy Powder 15-53μm.Read more
W4-Spherical Metal Powder
Stanford Advanced Materials
https://www.samaterials.com › tds › 1768982605-...
Stanford Advanced Materials
https://www.samaterials.com › tds › 1768982605-...
PDF
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15-150 μm. 15-53 μm, 45-105 μm, etc. 15-45 μm. 5-25 μm, 15-45 μm, etc. 45-105 ... Spherical Tungsten Molybdenum Alloy Powder (W-Mo Powder). Spherical WRe ...Read more
4 pages
Tungsten - stardustpowder.com
stardustpowder.com
https://www.stardustpowder.com › products › tungsten
stardustpowder.com
https://www.stardustpowder.com › products › tungsten
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Spherical W-4Nb alloy powder is prepared by radio frequency plasma spheroidization technology, with high purity, low oxygen content, high sphericity, smooth ...Read more
Spherical powder
Edgetech Industries
https://www.edge-techind.com › Industrial-Powder › Sph...
Edgetech Industries
https://www.edge-techind.com › Industrial-Powder › Sph...
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Spherical powder can be used in thermal spraying and 3D printing, it has great fluidity and high specific surface area. Material: Tungsten, Molybdenum ...
Microstructural evolution and mechanical properties of a ...
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
ScienceDirect.com
https://www.sciencedirect.com › article › abs › pii
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by X Gu2020Cited by 30 — Then the powders with a size smaller than 150 μm were selected for the sintering processing to avoid the defects in the large powders. The SPS ...Read more
Gas atomization of γ‐TiAl Alloy Powder for Additive ...
Wiley
https://advanced.onlinelibrary.wiley.com › doi › adem....
Wiley
https://advanced.onlinelibrary.wiley.com › doi › adem....
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Oct 23, 2019 — Gas atomization of the γ-TiAl alloy is optimized to produce a high yield of spherical particles with sizes smaller than 150 μm and ...
Materials & Chemicals
Inframat Advanced Materials
http://www.advancedmaterials.us › matchem
Inframat Advanced Materials
http://www.advancedmaterials.us › matchem
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Chromium Carbide (Cr3C2) coarse powders, 99.7%, various sizes, 10-200 microns · WC, 99.9+%, < 1 µm · WC, 99.9+%, 1-2 µm · WC, 99.9+%, 2-6 µm · WC, 99.9+%, 10-15 µm.Read more
Spherical Niobium Powder - Custom Size
AEM Metal
https://www.aemmetal.com › spherical-niobium-powder
AEM Metal
https://www.aemmetal.com › spherical-niobium-powder
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AEM's spherical Niobium metal powder is also a material for 3D printing. It produces the metal objects directly with high-density and accurate shape.Read more