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Tantalum 2.5 Tungsten (Ta-2.5W)
Tantalum 2.5 Tungsten alloy (Ta-2.5W) is an alloy composed of metallic tantalum (Ta) and tungsten (W), containing 2.5% tungsten. It is widely used in multiple industries due to its excellent physical and chemical properties, especially in the aerospace and chemical industries.
Physical Properties of Tantalum 2.5 Tungsten (Ta-2.5W)
Melting Point: The melting point of Tantalum 2.5 Tungsten alloy is about 3080℃, which is a key factor in its stability in high temperature applications. This high melting point makes Tantalum 2.5 Tungsten alloy suitable for extreme environments, such as aerospace and chemical equipment.
Density: Tantalum 2.5 Tungsten alloy has a high density, usually around 16.5 g/cm3, close to the density of pure tantalum. This property makes it very useful in applications that require a high strength to weight ratio.
Strength: Under high temperature conditions, Tantalum 2.5 Tungsten alloy can maintain high strength and is not easy to deform or break, especially when it exceeds room temperature. This makes it reliable in high pressure and high temperature environments.
Creep Resistance: Tantalum 2.5 Tungsten alloy exhibits excellent creep resistance, that is, it can resist deformation under high temperature and stress and maintain its shape and size stability.
Wear Resistance: Tantalum 2.5 Tungsten alloy has good wear resistance and can maintain a long service life in a friction environment, which is especially important for mechanical parts.
Ductility and machinability: Although tantalum and its alloys are difficult to process, Tantalum 2.5 Tungsten alloy still has a certain degree of ductility and can be formed and welded through appropriate processing techniques.
Production process of Tantalum 2.5 Tungsten (Ta-2.5W)
The production of Tantalum 2.5 Tungsten alloy usually includes the following steps:
1. Mixing powder: Mix ultrafine tantalum powder with tungsten powder in proportion.
2. Die forming: Load the mixed powder into the mold for pressing.
3. Sintering: Sinter the pressed billet in a vacuum environment.
4. Melting: Melt through a vacuum electron beam furnace or a vacuum arc furnace to obtain an alloy ingot.
5. Post-processing: Including forging, rolling, annealing and other processes to improve the performance of the alloy.
In short, Tantalum 2.5 Tungsten alloy plays an important role in modern industry due to its unique properties and broad application prospects.
Application fields of Tantalum 2.5 Tungsten (Ta-2.5W)
Aerospace: Due to its high temperature resistance and corrosion resistance, Tantalum 2.5 Tungsten alloy is widely used in the manufacture of key components such as rocket engines and nozzles.
Chemical industry: Tantalum 2.5 Tungsten alloy is used to manufacture corrosion-resistant equipment and pipelines, especially when dealing with strong acids and other corrosive media.
Medical devices: Due to its biocompatibility, Tantalum 2.5 Tungsten alloy is also used in the medical field, such as for the manufacture of hemostatic clips and stents.
