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HIP cylinders

During hot isostatic pressing (HIP), materials are sintered, combined and compacted at temperatures of approximately 1450°C (2642°F) and gas pressures of up to 200 MPa. System components inside the pressure vessel not only have to be large; they must also be heat-resistant and be able to withstand rapid changes of temperature. Plansee produces HIP cylinders, support structures and heating assemblies from molybdenum, ML or TZM and supply additional gas supply and rapid cooling components.
Molybdenum and tungsten are both refractory metals and are ideally suited for use at high temperatures. With their special properties, they are the perfect choice for components in the furnace construction industry:

  • High melting points permitting operating temperatures of up to 2800°C (5072°F)
  • Outstanding creep resistance
  • High level of dimensional stability
  • Excellent corrosion resistance
  • Low coefficient of expansion

Whenever materials have to meet special challenges, titanium and zirconium are added to strengthen the microstructure of pure molybdenum. Mo-Ti solid solution and Ti-Zr carbides ensure that optimum strengths are achieved at temperatures up to 1400°C (2552°F).
TZM has better creep resistance, higher recrystallization temperature and greater thermal stability than pure molybdenum.


Image provided by the courtesy of Plansee.