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| Molybdenum Crucible |
During sapphire production, Al2O3 - the
compound that is to become the future single crystal - is melted in molybdenum crucible and tungsten crucibles. It is in the Kyropoulos process that our
pressed-sintered crucibles show their strengths to best effect. They are
repeatedly heated to more than 2 000 °C
(3632 °F) and then cooled down
again. This process, which would cause fissures and distortions in other
materials, is not a problem for our tungsten and molybdenum products.
With our many years of experience in the
field of powder metallurgy, we produce crucibles of a particularly high density
and purity. By correctly filling the mold used for the crucible and carefully
controlling the temperature distribution during sintering, we achieve uniform
wall and base thicknesses - an important prerequisite in achieving the high
level of creep resistance that characterizes our crucibles.
If you are interested in such a crucible,
please feel free to contact us.
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