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3D Printing GRCop-42: NASA Unveils Special Rocket Engine Alloy

3D Printing GRCop-42: NASA Unveils Special Rocket Engine Alloy

Written by David

March 20, 2019

Engineers at NASA Marshall Space Flight Center (MSFC) and NASA Glenn Research Center (GRC) have recently 3D printed near-fully-dense GRCop-42 components. As is so often the case with today’s 3D printed components, these latest parts may also prove to outshine those typically made through more conventional methods. The GRCop-42’s 3D printing process and parameters were developed on a ConceptLaser M2 (Gen 1 2012 model) PBF machine, chosen due to its copper-friendliness, featuring both an inert glovebox and build chamber, and the 400 W laser able to reach the property density for melting the type 42 powder in use for this project (the follow-up to the previous 84 powder which was not as easy for powder vendors to manufacture to specs). Specifications of the ConceptLaser M2 used in this study As engineers delved into the build, they discovered right away that higher CED samples were running too hot, wicking heat […]


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