Controlling spatter during laser powder bed fusion found to reduce defects in metal-based 3-D printing


A team of researchers with members from Lawrence Livermore National Laboratory, Wright-Patterson Air Force Base and the Barnes Group Advisors found that controlling spatter during laser-powder bed fusion can reduce defects in metal-based 3-D printing. In their paper published in the journal Science, the group describes studying the additive manufacturing printing methodology and what they learned about it. Andrew Polonsky and Tresa Pollock with the University of California, Santa Barbara have published a Perspective piece on the work done by the team in the same journal issue.





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