Materials technology

Heat treatment

3-zone tube furnace

Materials:     

  • green bodies / pellets, solids, powders

Applications:

  • sintering of powder-metallurgical pellets or ceramic green bodies
  • heat treatments of various materials
    • coarse-grain annealing
    • soft annealing
    • recrystallization annealing
    • stress relief heat treatment
    • diffusion annealing
    • hardening
    • quenching and tempering, i. a.

Technical equipment:

  • furnace total length: 600 mm
  • heated length: 450 mm
  • 3 independent heating zones
  • homogeneous temperature in 300 mm (±5 °C)
  • changeable quartz tube with Ø 30 and 60 mm
  • changeable atmosphere:
    • inert gas (argon, nitrogen)
    • vacuum: max. 2x10-7 mbar
  • maximum temperature: 1200 °C
  • variable heat-up rates: max. 22 K/min
  • variable cooling rates in:
    • gas flow
    • liquid quenchant (also under vacuum)