Cylinders for hot isostatic pressing (HIP)
This content has been provided by Plansee.
Hot isostatic pressing (HIP) is a manufacturing process, where materials are sintered, combined and compacted at temperatures of approximately 1450°C (2642°F) and gas pressures of up to 200 MPa.
System components within the pressure vessel not only have to be large; being heat-resistant and capable of withstanding rapid changes of temperature is essential.
Plansee manufactures HIP cylinders, support structures and heating assemblies from molybdenum, ML or TZM and offers additional gas supply and rapid cooling components.
Molybdenum and tungsten are both refractory metals and are the perfect choice for high-temperature use.
With their exceptional properties, they are ideally suited for components in the furnace construction industry:
- High melting points allowing for operating temperatures of up to 2800°C (5072°F)
- Excellent creep resistance
- Low coefficient of expansion
- High level of dimensional stability
- Excellent corrosion resistance
In order to optimize materials for demanding environments, titanium and zirconium are added to strengthen the microstructure of pure molybdenum. Mo-Ti solid solution and Ti-Zr carbides ensure that optimum strengths at temperatures up to 1400°C (2552°F) are achieved.
TZM exhibits superior creep resistance, higher recrystallisation temperature, and improved thermal stability than pure molybdenum.
Gallery
Article by Plansee
Plansee is entirely focused on producing, processing and marketing refractory metals such as tungsten, tantalum and molybdenum. These are the most heat-resistant metals. With their high melting point, they are suitable for use as heaters in high-temperature furnaces or as incandescent filaments in lamps. In electrical switch contacts, they are valuable because of their excellent electrical and thermal conductivity. In electrically conductive film in flat screens and solar cells, our alloys are remarkable for their low coefficient thermal of expansion. In this way, they bring astonishingly sharp image quality to our living rooms and provide us with clean energy.
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