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UrduOak Ridge National Laboratory researchers have developed a novel experimental platform called OpeN-AM to study additively manufactured metal in real time using beams of neutrons. The experimental system features a robotic arm that 3D-prints metal welds to create complex shapes and objects.
Tag: metal 3D printing
LLNL explores laser beam shaping to improve metal 3D printing
Researchers at Lawrence Livermore National Laboratory are addressing the issue of porosity and other phenomenon that causes defects in metal 3D printing by exploring alternative shapes to the Gaussian beams commonly employed in high-power laser printing processes such as laser powder bed fusion (LBPF).
X-ray vision and eavesdropping ensure quality
With an X-ray experiment at the European Synchrotron ESRF in Grenoble (France), Empa researchers were able to demonstrate how well their real-time acoustic monitoring of laser weld seams works. With almost 90 percent reliability, they detected the formation of unwanted pores that impair the quality of weld seams. Thanks to a special evaluation method based on artificial intelligence (AI), the detection process is completed in just 70 milliseconds.