Tekna - TekSphero 15

Plasma Powder Spheroidisation

Spheroidisation uses high energy plasma to create highly spherical and dense metal powders from those produced by sintering, grinding and atomisation techniques, providing more consistent results. Spherical powders have better flowability inside an AM machine, meaning less downtime and faster production.

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Detailed Description

Spheroidisation reduces internal porosity and provides higher packing density while removing contamination and increasing purity. Removing excess oxygen from the material helps to improve mechanical properties in the completed part or component.

The TEKSHPERO-15 enables us to meet the most demanding powder metallurgy applications including AM, metal injection moulding and hot isostatic pressing. The powder developed at 15kW can easily be scaled up for production at higher power levels. It has a feed rate of up to 1kg/h and can produce powder sizes of up to 200μm. The machine is suitable for processing refractory metals such as tantalum, tungsten, titanium, molybdenum, and niobium, as well as nickel-based superalloys.

Uses/Applications

Powder type: (This machine is not suitable for Al, Be, Zr, Mg, B)

  • Tantalum, tungsten and titanium alloys
  • Refractory metals such as molybdenum and niobium as well as nickel based super alloys

The plasma spheroidisation can utilise for recycling and spheroidisation of used powders in order to reduce costs for the user, but also help to ensure the quality of the recycled powder.

Additionally, the plasma spheroidization process removes contamination and reduces oxygen that can accumulate when powder is re-used.

Features

  • Plate power 15Kw HF output
  • Manual operation
  • Nominal operating frequency in the 2 to 5.0 MHz range
  • Power requirements: 380-415 Volts, three (3) phases, 50/60 Hz operation
  • Very flexible for batch process
  • Size: 2.5*0.9*2.0 (L*w*h)
  • Powder size; up to 200µm
  • Feed rate: up to 1 kg/h

Capacity of Plasma Treatment

  • Melting point: No Limit
  • Spheroidization: Up to 100%
  • Densification factor: Up to 3 times
  • Purity Enhancement Factor: Up to 10 times
  • Raw materials: Crushed, Sponge, Fibres, Atomised Solution

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