3D printing is making headlines again, but not for making things. This time it is for repairing stuff instead. 3D painting. GE's new machine could be used to fix up anything that's made of metal.
The technique is formally known as 'cold spray', and the technique sprays metal powders at high velocities to add material to existing objects. Anteneh Kebbede, from GE, explains:
"[W]hat’s particularly exciting about cold spray as an innovative, 3D process is that it affords us the opportunity to restore parts using materials that blend in and mirror the properties of the original part itself. This extends the lifespan of parts by years, or possibly by decades.
Next up? Bottle this solution up for the masses! [GE]
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