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Vacuum Hot Press Resistance Sintering Furnaces

Vacuum Hot Press Resistance Sintering Furnaces Functions: -Working temperature: up to 2200 °C (option 1: temperatures of up to 2500 °C; option 2: with O2/air atmosphere and temperatures of up to 1400 °C) -Vacuum: 5 x 10-2 mbar(a) -Working gases: Ar/N2 (further types of gases available upon...

Vacuum Hot Pressing- resistance heated

Hot pressing has a limited field of application for such materials which do not sinter to high densities due to low diffusion coefficients or for cases where a pore-free state is required (for optimum mechanical, thermal or optical properties).
  With this process only parts with simple shapes like plates, blocks, cylinders can be manufactured easily. With a highly sophisticated design of pressing dies also more complex shapes can be produced.
  Available pressing force: 50kN to 9000kN at max. 2500°C, applicable for components of max. Ø 700mm.


  Application of hot pressing in the field of ceramics include:

1.Silicon nitride, mixed ceramics of Al2O3, TiC/TiN and sialon for cutting tools, components of heavy-duty valves, bearings, wear parts for process technology.

2.PLZT (lead-lanthan-zircon-titanate) and other high developed functional ceramic (O2atmosphere)

3.Boron carbide (B4C) for extremely wear resistant parts and armors.

4.SiC whisker reinforced Al2O3 for cutting tools

5.MMC and CMC materials, composite materials

6.Sputter targets

 

Hot pressing technology is applied variously in fundamental research and production. 


Number

Model

Ø
  Resistance heating [mm]

Resistance   heating
  height
  [mm]

Max pressure
  [kN]

Max pressing

diameter [mm]

Max heating   power
  [kW]

P1

VVP-10/12

100

120

50

30

20

P2

VVP-16/16

160

160

100

50

40

P3

VVP-25/25

250

250

250

80

60

P4

VVP-40/40

400

400

1500

200

100

P6

VVP-60/45

600

450

3000

300

250


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