Three defects mitigated simultaneously for failure-free metal parts with complex shapes in 3D-printing advance

https://www.eurekalert.org/news-releases/1065902

"laser powder bed fusion additive manufacturing... defects: pores, rough surfaces large spatters... much faster... ring-shaped laser beam melt/s fuses thin layers... defect mitigation mechanisms reduce instabilities... drill deeper into material without causing instabilities, enabling thicker layers, increasing manufacturing productivity... understand underlying mechanisms to produce high-quality parts using the ring-shaped beam... aerospace, medical, energy"

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