cold spray – what is it?

Distribution Statement D: Distribution authorized to the Department of Defense and approved U.S. DoD contractors functioning as technical advisors to the Government team.  Other requests for this document shall be referred to the U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005-5069.

Cold Spray – What is it?

Main Gas Stagnation Pressure 100-500 psi

Gas Temperature 0-1300ºF Main Gas Flow Rate 30-100 CFMPowder Feed Rate 10 to 30

pounds/hour Particle Velocity 300-1500 m/sec.Particle Size 1-50um diameter

Distribution Statement D: Distribution authorized to the Department of Defense and approved U.S. DoD contractors functioning as technical advisors to the Government team.  Other requests for this document shall be referred to the U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005-5069.World Class Airmen … Expeditionary Combat Power

Heater

Fume Hood

Robot

Gas Heater

Fume Hood

Powder Feeder

Spray Nozzle

ARL Center for Cold SprayCurrent CGT 4000 setup for

Robotic Control

Approved for public release

Distribution Statement D: Distribution authorized to the Department of Defense and approved U.S. DoD contractors functioning as technical advisors to the Government team.  Other requests for this document shall be referred to the U.S. Army Research Laboratory, Aberdeen Proving Ground, MD 21005-5069.

3

Video of the cold spray process:

Approved for public release