Spherical TaW Powder (TA7.5W) Description
Spherical TaW Powder (TA7.5W) is a high-performance alloy powder composed of tantalum (Ta) and tungsten (W). By the combination of 2 refractory metals: Ta and W, Spherical TaW Powder (TA7.5W) has good corrosion resistance and high-temperature properties. It inherits the refractory property, so it has high melting point, high elastic modulus, and high tensile strength. Spherical TaW Powder (TA7.5W) can be used in various applications in aerospace, electronics, and chemical processing industries.
Spherical TaW Powder (TA7.5W) Specifications
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Standard Chemical Composition (wt%)
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Ta
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Bal
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H
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0.0015
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W
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6.5-8.5
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C
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0.01
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O
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/
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N
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0.01
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Physical properties
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Apparent Density
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9.64 g/cm3
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Tap Densiyt
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10.85 g/cm3
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Hall Flow Rate
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5.6 s/50g
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Sphericity
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≥95%
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Powder Size
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D10/μm
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20-25
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D50/μm
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30-35
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D90/μm
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45-55
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Spherical TaW Powder (TA7.5W) Characteristic
Spherical TaW Powder (TA7.5W) is characterized by high purity, low oxygen levels, high sphericity, smoothness, satellite-free particles, homogeneous particle size distribution, high flowability, high apparent density, and high tap density.
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Spherical TaW Powder (TA7.5W) Properties
- High Melting Point: Tantalum (Ta) has a melting point of approximately 3017°C, and the Ta-7.5W alloy also possesses the same property, making it suitable for very high-temperature applications.
- Excellent Corrosion Resistance: Ta-7.5W alloy is resistant to acids (e.g., hydrochloric acid, nitric acid, sulfuric acid) and to all chemical media.
- Good Mechanical Properties: Ta-7.5W alloy exhibits high strength (tensile strength: ~600-800 MPa) as well as reasonable ductility.
- High-Temperature Stability: It is characterized by stable mechanical properties and oxidation resistance at temperatures up to 1700°C.
- Spherical Particle Morphology: The spherical morphology of Ta-7.5W powder exhibits excellent flowability, and it is very suitable for additive manufacturing and powder metallurgy applications.
Spherical TaW Powder (TA7.5W) Applications
- Aerospace and Defense: Spherical TaW Powder (TA7.5W) is used in aerospace components, such as turbine blades, combustion chambers, and heat exchangers, where its high strength, excellent corrosion resistance, and thermal stability are required.
- Electronics and Semiconductor: Spherical TaW Powder (TA7.5W) is utilized in the production of electronic components, including high-power resistors, capacitors, and contacts, due to its good electrical conductivity and reliability.
- Chemical Processing: Spherical TaW Powder (TA7.5W) finds applications in chemical processing equipment, such as reactor vessels and pipes, where its resistance to corrosion by acids, alkalis, and other aggressive chemicals is beneficial.
- Additive Manufacturing: The spherical nature of the powder particles makes it suitable for additive manufacturing processes, such as selective laser melting (SLM) and electron beam melting (EBM), enabling the production of complex-shaped components with superior mechanical properties.
Spherical TaW Powder (TA7.5W) Packaging
Our Spherical TaW Powder (TA7.5W) is carefully handled during storage and transportation to preserve the quality of our product in its original condition.
FAQs
Q1: What is Spherical TaW Powder (TA7.5W)?
Spherical TaW Powder (TA7.5W) is a composite powder made of tantalum (Ta) and tungsten (W) with a composition of approximately 7.5% tungsten. The alloy is well known for its excellent high-temperature stability, radiation shielding, and mechanical strength. The spherical morphology of the powder qualifies it for different applications, particularly powder metallurgy and additive manufacturing.
Q2: What is the particle size distribution of Spherical TaW Powder (TA7.5W)?
The particle size of Spherical TaW Powder is usually 15 µm to 45 µm. The particle size distribution can be tailored according to the need of the application, such as powder metallurgy or additive manufacturing.
Q3: How is Spherical TaW Powder (TA7.5W) produced?
Spherical TaW Powder is usually made by gas atomization or plasma atomization, which is a process of quenching molten alloy to make spherical particles rapidly. It has uniform size distribution and high purity, which are necessary to produce high-performance parts.
