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Vacuum Plasma Spray (VPS) and EL-FormTM net-shape crucibles are customed manufactured to design requirements. Precious metal crucibles and their alloys are fabricated with He leak rates <10-6 cc/sec. A variety of ceramic coatings (oxides, carbides, nitrides, etc.) can be applied to both internal and external surfaces for corrosion protection and emissity.

 Plasma Processes
Common Crucible Materials
Iridium
Molybdenum
Niobium
 Platinum
Rhenium
Tantalum
Graphite and Ceramic Crucible Coatings
Metallics
Ceramics
 Cermets
Composites
 
 
Wire arc spray aluminum coating applied to a scuba tank for corrosion protection
Precious metal crucibles and seed holders are used to produce crystals for specialty optics and electronics applications.

   Compressed air cylinders with an aluminum wire arc sprayed coating
Vacuum Plasma Spray (VPS) formed refractory crucible with integral ceramic liner for processing corrosive, molten materials.
Aluminum corrosion protective coating on a section of solid rocket booster
Iridium conducting crucible for Czochralski single crystal growth.

   Polymer coated hydraulic cylinders
Molybdenum-Zirconia coating onto graphite crucible.
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