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  DED produced IN 625 Nozzle during hot fire testing
  (click here for link to  NASA-MSFC paper)
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  DED JBK-75 Nozzle during hot fire test
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  DED Nozzle
  ​40 inch Diameter

The Directed Energy Deposition (DED) process is commonly used to deposit "freeforms" of near-net-shape metal components, which are nearly 100% dense with mechanical properties comparable to wrought materials. Freeforms may be thin wall or thick masses of material (built to any thickness). Other similar terms for this process include additive manufacturing and 3D metal printing.