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Electrical Resistance diagnostic during a LPBF print process

Electrodes that measure current and voltage are connected to the LPBF build plate by magnetic metal arms.  These arms are placed on a steel weighted base that provides a high degree of mechanical flexibility to conform to small geometries and can be easily incorporated into a complex manufacturing system.  Furthermore, the electrodes are connected to tapered copper tips that can provide strong…

High level diagram for in-situ characterization of projectiles in flight or falling droplets

LLNL’s novel approach is to use waveguide-based devices and microwave energy to perform characterization of the projectile or droplet.  Various embodiments of droplet devices can determine the size, motion (position, velocity, and acceleration), rate, and material elements of a moving element.  This invention uses a tubular housing having a first end (input port) and a second end (output port…