1. 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 CFM  Powder Feed Rate 10 to 30 pounds/hour  Particle Velocity 300-1500 m/sec.  Particle Size 1-50um diameter

2. 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 Heate r Fume Hood Robot Gas Heater Fume Hood Powder Feeder Spray Nozzle ARL Center for Cold Spray Current CGT 4000 setup for Robotic Control Approved for public release

3. 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