Note: Crucible Melting a variety of materials in a nitrogen atmosphere

Objective:

Heat to melting point various materials in a nitrogen atmosphere in a graphite or molybdenum crucible. 

End Product:

Materials experiments

Equipment:

Ambrell 10 kW induction heating system, equipped with a remote workhead containing two 1.0μF capacitors for a total of 0.5μF
An induction heating coil designed and developed specifically for this application.

Materials:

Magnesium fluoride, tantalum pentoxide, aluminum, yttrium fluoride, germanium, hafnium or titanium dioxide and a Pyrex bell jar 

Temperature:

N/A

Frequency:

160 kHz

Testing:

The crucible is heated using a coil with a four turn pancake at the base that extends upward into a three turn helical coil. Times and melting temperatures vary due to the properties of the different materials. 

Benefits:

  • Faster process time than electron beam heating.

  • Repeatable, consistent results.

  • Even distribution of heating.

Crucible Melting a variety of materials in a nitrogen atmosphere

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