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Multi-purpose Gas Pressure Furnaces

High temperature pressure sintering furnace, resistance heating, 10,0 MPa, with integrated hot press Functions: -Working temperature: up to 2000°C (Option: up to 2200°C) -Vacuum: 5 × 10-2 mbar(a) -Working pressure: up to 100 bar(g) (10 MPa) -Debinding/dewaxing - sintering - gas pressure...

The special feature of the GPS process is a sequence of dewaxing at low pressure, sintering at normal pressure and -after a status is reached with only closed pores being present in the material - sintering at a high pressure, which results in a further densification and faster elimination of the remaining pores.

The devices are particularly suitable for sintering such types of ceramics or metals, which tend to decomposition at elevated temperatures or which do not sinter to high densities in standard sintering operations. This process has not the limitations with respect to the shape of the manufactured parts as in hot pressing and it is also an advantageous alternative to the more costly HIP-process.

GPS can be used for the production of:

  1. Sintered silicon nitride and sialon with excellent mechanical properties (e.g. cutting tools, turbocharger rotors, engine components)

  2. Silicon carbide(mechanically heavy strained parts in corrosive environments etc.)

  3. Super alloys(mechanically strained parts in high-temperature applications)

  4. Hard metals, especially cemented carbides with low content of Cobalt and for high-quality grades with optimum mechanical properties.

  5. Composite materials in general


Number

Model

Heating
  conductor
  [mm]

Height
  heating
  conductor
  [mm]

Discharge   method(TL/BL)

Power
  [kW]

G1

PVS-10/12

100

120

TL

25

G2

PVS-20/25

200

250

TL/BL

60

G3

PVS-30/50

300

500

BL

100

remarks: TL:top loading;BL:bottom loading


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