Overview of Spherical Tantalum Tungsten Ta-W metal alloy powder sintered slm for 3d printing manufactured
Tantalum (Ta) is a chemical element with the atomic number 73 and is symbolized as Ta on the periodic table. It is a dense, blue-gray, hard, and ductile transition metal. Discovered in 1802 by Anders Gustaf Ekeberg, tantalum is renowned for its high resistance to corrosion and its ability to store and release electrical charges efficiently, making it a critical material in various high-tech applications.
Feature of Spherical Tantalum Tungsten Ta-W metal alloy powder sintered slm for 3d printing manufactured
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Exceptional Corrosion Resistance: Tantalum forms a protective oxide layer that shields the metal from most acids, even at high temperatures, and is virtually impervious to chemical attacks.
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High Melting Point: With a melting point of approximately 3,017°C (5,462°F), tantalum ranks among the metals with the highest melting points, enabling its use in extreme temperature environments.
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Biocompatibility: Tantalum is well-tolerated by living tissue, making it suitable for biomedical implants such as bone replacements and surgical sutures.
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Electrical Conductivity: Although not the best conductor, tantalum has a high capacitance per volume, making it ideal for manufacturing compact capacitors used in electronic devices.
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Ductility: It can be drawn into fine wires and fabricated into various shapes without fracturing, a feature that enhances its versatility in manufacturing.
(Spherical Tantalum Tungsten Ta-W metal alloy powder sintered slm for 3d printing manufactured)
Parameters of Spherical Tantalum Tungsten Ta-W metal alloy powder sintered slm for 3d printing manufactured
Spherical tantalum tungsten (Ta-W) metal alloy powder for 3D printing, specifically when used in SLM (Selective Laser Melting) manufacturing, typically has the following parameters:
1. Particle Size Distribution: The powder is usually in the micron range, with a narrow size distribution to ensure consistent layer adhesion and part integrity. Common particle sizes are around 15-50 microns.
2. Purity: High purity, typically 99.9% or higher, to minimize impurities that could affect print quality and mechanical properties.
3. Shape: Spherical shape, which promotes better flowability and packing density during the printing process.
4. Density: Close to the theoretical density of the Ta-W alloy, ensuring maximum material utilization in the final part. This can be around 16.7 g/cm³ for pure tantalum and 18.5 g/cm³ for pure tungsten, depending on the composition.
5. Chemical Composition: Ta-W alloy composition can vary, commonly ranging from 50-90% tantalum to balance strength and melting point with tungsten’s refractory properties. The exact ratio depends on the desired properties for the final application.
6. Melting Point: Tantalum tungsten alloy has a high melting point, typically around 3200°C (5792°F) for pure tantalum and slightly lower for alloys, which is crucial for SLM as it allows for rapid melting and solidification.
7. Porosity: After sintering, the powder particles fuse together to form a near-net-shape part with minimal porosity (<1% or less), ensuring high structural integrity.
8. Thermal Conductivity: Good thermal conductivity is essential for efficient heat dissipation during the printing process. Ta-W alloys have high thermal conductivity, contributing to faster build rates and reduced thermal stresses.
9. Specific Surface Area: A higher specific surface area allows for better bonding between layers during printing. This can be in the range of 10-20 m²/g.
10. Mechanical Properties: The final mechanical properties like yield strength, tensile strength, and hardness depend on the alloy composition and processing parameters. These properties are tailored to meet the requirements of the intended application.
These parameters can vary slightly depending on the manufacturer and specific grade of the Ta-W alloy powder. It's essential to consult the supplier for detailed specifications and guidelines for optimal 3D printing conditions.
(Spherical Tantalum Tungsten Ta-W metal alloy powder sintered slm for 3d printing manufactured)
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